Test Report P74 V6

FCC ID: DD4BLX1H11

Test Report

Download: PDF
FCCID_4356731

Engineering Test Report No. SEL-038A SHURE ELECTROMAGNETIC COMPATIBILITY LABORATORY TEST REPORT TEST REPORT TITLE: Electromagnetic Compatibility Tests for Shure BLX1 H11 and J11 Bodypack Transmitter TEST ITEM DESCRIPTION: BLX1 is a digital wireless bodypack transmitter intended for use in mid-tier presentation, installed, and performance markets. The system operates in the UHF TV bands. Regionally dependent 2mW, 10mW and 35mW output power modes are available. The BLX1 transmitter is capable of operating with AA alkaline batteries. Shure Incorporated 5800 West Touhy Avenue Niles, IL 60714 PROJECT ID NUMBER: SEL-038A DATE TESTED: 10/11/2018 TO 01/28/2019 TEST PERSONNEL: Juan Castrejon, Hannah Hart, Alex Mishinger, Jamal Qureshi TEST SPECIFICATION (STANDARDS APPLIED): FCC Part 74: Experimental Radio, Auxiliary, Special Broadcast And Other Program Distributional Services RSS 210 Issue 9, Annex G: Low-Power Radio Apparatus Operating in the Television Bands TEST REPORT BY: Global Compliance Engineer 1/29/2019 SIGNATURE POSITION DATE APPROVED BY: GC Project Engineer 1/29/2019 SIGNATURE POSITION DATE SEL-F-11 Main Body Test Form Page 0 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Table of Contents Table of Contents .............................................................................................................................................. 1 List of Appendices ............................................................................................................................................. 3 Report Revision History ..................................................................................................................................... 4 Report Summary ............................................................................................................................................... 5 1. Introduction ............................................................................................................................................. 5 Scope of Tests ................................................................................................................................. 5 Purpose ........................................................................................................................................... 5 Deviations, Additions, and Exclusions .............................................................................................. 5 EMC Laboratory Identification .......................................................................................................... 5 Summary of Tests Performed .......................................................................................................... 5 2. Applicable Documents ............................................................................................................................ 6 3. EUT Set-Up and Operation ..................................................................................................................... 6 General Description ......................................................................................................................... 6 Test Samples ................................................................................................................................... 6 Test Setup ....................................................................................................................................... 6 4. Test Instrumentation ............................................................................................................................... 6 5. Test Procedures...................................................................................................................................... 6 6. Other Test Conditions ............................................................................................................................. 6 Test Personnel ................................................................................................................................. 6 Disposition of the EUT ..................................................................................................................... 6 7. Results .................................................................................................................................................... 7 8. Conclusions ............................................................................................................................................ 7 9. Certification ............................................................................................................................................. 7 10. Equipment List..................................................................................................................................... 7 Appendix A: Frequency Stability ................................................................................................................... 9 A.1. Purpose ............................................................................................................................................... 9 A.2. Requirements ...................................................................................................................................... 9 A.3. Measurement Uncertainty ................................................................................................................... 9 A.4. Test Setup and Instrumentation ........................................................................................................... 9 A.5. EUT Operation .................................................................................................................................... 9 A.6. Specific Test Procedures ................................................................................................................... 10 A.7. Results .............................................................................................................................................. 10 A.8. Conclusion ........................................................................................................................................ 12 Appendix B: Necessary Bandwidth ............................................................................................................. 14 SEL-F-11 Main Body Test Form Page 1 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A B.1. Purpose ............................................................................................................................................. 14 B.2. Requirements .................................................................................................................................... 14 B.3. Measurement Uncertainty ................................................................................................................. 15 B.4. Test Setup and Instrumentation ......................................................................................................... 15 B.5. EUT Operation .................................................................................................................................. 16 B.6. Specific Test Procedures ................................................................................................................... 16 B.7. Results .............................................................................................................................................. 17 B.8. Conclusion ........................................................................................................................................ 20 Appendix C: Field Strength Spurious Emissions ......................................................................................... 21 C.1. Purpose ............................................................................................................................................. 21 C.2. Requirements .................................................................................................................................... 21 C.3. Measurement Uncertainty ................................................................................................................. 21 C.4. Test Setup and Instrumentation ......................................................................................................... 22 C.5. EUT Operation .................................................................................................................................. 25 C.6. Specific Test Procedures ................................................................................................................... 25 C.7. Results .............................................................................................................................................. 27 C.8. Conclusion ........................................................................................................................................ 29 Appendix D: RF Output Power .................................................................................................................... 30 D.1. Purpose ............................................................................................................................................. 30 D.2. Requirements .................................................................................................................................... 30 D.3. Measurement Uncertainty ................................................................................................................. 30 D.4. Test Setup and Instrumentation ......................................................................................................... 30 D.5. EUT Operation .................................................................................................................................. 32 D.6. Specific Test Procedures ................................................................................................................... 32 D.7. Results .............................................................................................................................................. 32 D.8. Conclusion ........................................................................................................................................ 33 Note: This report shall not be reproduced, except in full, without the written approval of the Shure Incorporated Electromagnetic Laboratory (SEL). Total Page Count, including appendices is 31. SEL-F-11 Main Body Test Form Page 2 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A List of Appendices Appendix Test Description A Frequency Stability B Necessary Bandwidth C Radiated Emissions D RF Output Power SEL-F-11 Main Body Test Form Page 3 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Report Revision History Revision Date Description 0 1/29/2019 Released for use Revised to divide FCC part 74 and 15 data into separate 1 4/19/2019 reports, to include EIRP values for RF Power Output data, and to make minor edits throughout. 2 4/23/2019 Corrected a mathematical error in EIRP data. Reformatted cover page, added details about EIRP calculation, replaced radiated emissions graphs 3 5/10/2019 (uncalibrated) with substitution data, and made minor edits throughout. 4 6/11/2019 Corrected substitution data 5 7/8/2019 Added additional substitution data SEL-F-11 Main Body Test Form Page 4 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Report Summary 1. Introduction Scope of Tests This document presents the results of a series of electromagnetic compatibility (EMC) tests performed on the BLX1 H11 and BLX1 J11. The test items were manufactured and submitted for testing by Shure Incorporated located in Niles, IL. The data was taken following the measurement methods as described in the test specifications listed on page 1 of this document. Provided is the data for the test samples which also includes a summary of the measurements made and a description of the measurement setup. Purpose This series of tests was performed to determine if the test item would meet the selected requirements of the following specifications: FCC Part 74.861 RSS 210 Issue 9, Annex G Deviations, Additions, and Exclusions EMC Laboratory Identification The electromagnetic compatibility tests were performed at the Shure Electromagnetic Laboratory, Shure Incorporated, 5800 West Touhy Ave, Niles, Illinois 60714-4608. This laboratory is registered with ISED Canada as Site # 616A-1. The Shure Electromagnetic Laboratory is accredited by the National Institute of Standards and Technology (NIST) under the National Voluntary Laboratory Accreditation Program (NVLAP). The NVLAP Lab Code is: 200946-0. Summary of Tests Performed The following electromagnetic compatibility tests were performed on the test item in accordance with the specifications as stated in the following: FCC Part 2 ETSI EN 300 422-1 RSS 210 Issue 9, Annex G Table 1-1: Summary of tests performed Test Described in Description Tested Range Test Results Specifications Appendix 572.150MHz – FCC 74.861 Frequency 595.850MHz RSS 210.9 A PASS Stability 596.125MHz – Annex G 615.875MHz 572.150MHz – FCC 74.861 Necessary 595.850MHz RSS 210.9 B PASS Bandwidth 596.125MHz – Annex G 615.875MHz FCC 74.861 Field Strength RSS 210.9 Spurious 25MHz – 18GHz C PASS Annex G Emissions SEL-F-11 Main Body Test Form Page 5 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A 572.150MHz – FCC 74.861 595.850MHz RSS 210.9 RF Output Power D PASS 596.125MHz – Annex G 615.875MHz 2. Applicable Documents The following documents of the exact issue designated form part of this document to the extent specified herein: FCC Part 15 RSS 210 Issue 9 3. EUT Set-Up and Operation General Description The Shure BLX1 Bodypack Transmitter is a digital wireless bodypack transmitter intended for use in mid-tier presentation, installed, and performance markets. The system operates in the UHF TV bands and is frequency modulated. Regionally dependent 2mW, 10mW and 35mW output power modes are available. Wireless signals are modulated using frequency modulation. The BLX1 transmitter is capable of operating with AA alkaline batteries. Test Samples The following BLX1 H11 and BLX1 J11 samples were tested: Table 3-1: Transmitter Samples RF Power Output Frequency Band EUT Serial Number Frequency Range In mW H11 10 TS1R & TS1C 572MHz-596MHz J11 10 TS1R & TS1C 596MHz-616MHz Test Setup 3.3.1. Power Input The EUT obtained power through internal alkaline batteries. 3.3.2. Signal Input /Output Leads 3.3.3. Grounding Considerations 3.3.4. Operational Mode 4. Test Instrumentation A list of the test equipment used can be found in Table 10-1. All equipment is calibrated on an annual basis. All calibrations are traceable to the National Institute of Standards and Technology (NIST). 5. Test Procedures The specific test procedures are presented in the individual appendices. 6. Other Test Conditions Test Personnel All EMC tests were performed by qualified personnel from the Shure EMC Laboratory. Disposition of the EUT The EUTs and all associated equipment were returned to Shure Incorporated upon completion of the tests. SEL-F-11 Main Body Test Form Page 6 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A 7. Results The results are presented in the individual test appendices. It was found that the EUT met the requirements of the following: FCC Part 74 RSS 210, Issue 9 8. Conclusions It was determined that the BLX1 H11 and BLX1 J11 did fully comply with the requirements of the following: FCC Part 74 RSS 210, Issue 9 9. Certification Shure EMC Laboratory certifies that the information contained in this report was obtained under conditions which meet or exceed those specified in the test specifications. The data presented in this test report pertains to the EUTs at the test date. Any electrical or mechanical modification made to the EUTs subsequent to the specified test date will serve to invalidate the data and void this certification. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the U.S. Government. 10. Equipment List Table 10-1: Test Equipment L# or Frequen Description Manufacturer Model # Serial # Cal Date Due Date ID cy Range L05- Modulation 100KHz- 068- Boonton 8200 46410-1223 5/30/2018 5/30/2020 Analyzer 2GHz 02 L23- 25MHz- 011- BiConiLog Antenna ETS Lindgren 3142C 34790 6/22/2017 6/22/2019 3GHz 15 L23- 26MHz- 011- BiConiLog Antenna ETS Lindgren 3142C 79899 8/10/2018 8/10/2020 3GHz 44 L23- 1GHz- 011- Horn Antenna ETS Lindgren 3117 200363 10/16/2017 10/16/2019 18GHz 53 L23- 1GHz- 011- Horn Antenna ETS Lindgren 3117 206583 4/10/2018 4/10/2020 18GHz 55 L19- Temperature 006- Espec SU-240 91004211 N/A 4/5/2018 4/5/2019 Chamber 01 L23- Audio Signal Audio SYS- 021- 48254-1041 N/A 4/26/2018 4/26/2020 Generator/Analyzer Precision 2722 01 SEL-F-11 Main Body Test Form Page 7 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A L23- Rhode & 2Hz- 022- Spectrum Analyzer FSU26 201043 8/23/2017 8/23/2019 Schwarz 26.5GHz 01 L23- Rhode & 2Hz- 022- Spectrum Analyzer FSW26 103788 4/24/2018 4/24/2020 Schwarz 26.5GHz 02 L23- Rhode & SMF 100kHz- 023- Signal Generator 48254-151 8/23/2017 8/23/2019 Schwarz 100A 22GHz 01 L23- MY5000648 100MHz- 024- Frequency Counter Agilent 53220A 7/24/2018 7/24/2020 5 6GHz 01 L23- 20dB Signal BW- 040- Mini-Circuits 0952 18GHz 5/31/2018 5/30/2020 Attenuator N20W5+ 03 L23- 040- ETSI Noise Filter Shure N/A N/A N/A 5/24/2017 5/24/2019 22 L23- 041- Coax Cable Micro-Coax W27.16 CP1/X3 N/A 8/29/2018 8/29/2019 13 UFB311 L23- A-1- 25MHz- 041- Coax Cable Utiflex 229546-002 5/31/2018 5/31/2019 3188- 18GHz 38 50U50U L23- SMA-N-type Florida RF 100kHz- 041- N/A 46410-1080 5/30/2018 5/30/2019 Coaxial Cable Labs 22GHz 56 L23- 7002- 045- RF Power Meter EMPower 00151071 18GHz 1/31/2018 1/31/2020 006 36 SEL-F-11 Main Body Test Form Page 8 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Appendix A: Frequency Stability A.1. Purpose This test was performed to determine if the EUT meets the frequency stability requirements of FCC Part 74.861 and RSS 210 Issue 9, Annex G. A.2. Requirements FCC Part 74.861(e)(4) states: “The frequency tolerance of the transmitter shall be 0.005 percent.” The requirements for RSS 210 Issue 9, Annex G can be found in the table below. A.3. Measurement Uncertainty All measurements are an estimate of their true value. The measurement uncertainty characterizes, with a specified confidence level, the spread of values which may be possible for a given measurement system. Values of Expanded Measurement Uncertainty (95% Confidence): Std uncertainty ±u(error) Expanded Uncertainty (U95): 5.83E-08 These values can be found in the document titled ‘Frequency Error_Stability – 2018_09_24.xlsx’ located at \\shure.com\organization\Quality\Product Conformance-Lab Services\Global Compliance\Shure EMC Lab\Controlled Documents\Measurement Uncertainties. - Compliance is deemed to occur if no measured disturbance exceeds the disturbance limit; - Non-compliance is deemed to occur if any measured disturbance exceeds the disturbance limit. A.4. Test Setup and Instrumentation The EUT was heated and cooled in an Espec temperature chamber over a temperature range of -30°C to +50°C. The temperature around the EUT was measured and monitored by the built-in thermometer. The EUT’s frequency was measured with a spectrum analyzer set to measure signal count at 0.1Hz resolution. The center frequency of the spectrum analyzer was set to the selected transmit frequency of the EUT (Low, Mid or High). Photographs of the test setup are shown below. The test instrumentation can be determined from Table 10-1. A.5. EUT Operation The device was powered on and transmitting. The three frequencies were set using the buttons on the device inside the battery door. SEL-F-11 Main Body Test Form Page 9 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A A.6. Specific Test Procedures The temperature chamber was set to -30°C with the EUT inside and powered on. The EUT was allowed to soak for ~20 minutes after the temperature chamber reached the set temperature. The measured frequency of the transmitter was then recorded in the spreadsheet in section D.7. The temperature chamber was incremented +10°C with the EUT inside and powered on. Steps c. through e. were repeated until the device reached +50°C. Steps a. through e. were repeated for representative low, mid and high frequencies within the EUT’s operational bands. A.7. Results The test results can be viewed in the table below. SEL-F-11 Main Body Test Form Page 10 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Nominal Measured FCC RSS Temp Frequency Frequency Deviation Limit Deviation Limit Pass/Fail (°C) (MHz) (MHz) (%) (%) (ppm) (ppm) 572.150MHz -30 572.150 572.1499 0.000016 0.005 0.157 ±50 PASS -20 572.150 572.1498 0.000028 0.005 0.283 ±50 PASS -10 572.150 572.1495 0.000087 0.005 0.874 ±50 PASS 0 572.150 572.1500 0.000000 0.005 0.002 ±50 PASS 10 572.150 572.1501 0.000015 0.005 0.150 ±50 PASS 20 572.150 572.1502 0.000028 0.005 0.280 ±50 PASS 30 572.150 572.1501 0.000015 0.005 0.150 ±50 PASS 40 572.150 572.1500 0.000007 0.005 0.073 ±50 PASS 50 572.150 572.1499 0.000026 0.005 0.255 ±50 PASS Room Temp 24.5 572.150 572.1501 0.000021 0.005 0.206 ±50 PASS 584.125MHz -30 584.125 584.12498 0.000003 0.005 0.034 ±50 PASS -20 584.125 584.124844 0.000027 0.005 0.267 ±50 PASS -10 584.125 584.12488 0.000021 0.005 0.205 ±50 PASS 0 584.125 584.124989 0.000002 0.005 0.019 ±50 PASS 10 584.125 584.125093 0.000016 0.005 0.159 ±50 PASS 20 584.125 584.12516 0.000027 0.005 0.274 ±50 PASS 30 584.125 584.125093 0.000016 0.005 0.159 ±50 PASS 40 584.125 584.124955 0.000008 0.005 0.077 ±50 PASS 50 584.125 584.124853 0.000025 0.005 0.252 ±50 PASS Room Temp 24.5 584.125 584.125112 0.000019 0.005 0.192 ±50 PASS 595.850MHz -30 595.850 595.8499 0.000017 0.005 0.168 ±50 PASS -20 595.850 595.84983 0.000029 0.005 0.285 ±50 PASS -10 595.850 595.84989 0.000018 0.005 0.185 ±50 PASS 0 595.850 595.849971 0.000005 0.005 0.049 ±50 PASS 10 595.850 595.850099 0.000017 0.005 0.166 ±50 PASS 20 595.850 595.850168 0.000028 0.005 0.282 ±50 PASS 30 595.850 595.850097 0.000016 0.005 0.163 ±50 PASS 40 595.850 595.849954 0.000008 0.005 0.077 ±50 PASS 50 595.850 595.84985 0.000025 0.005 0.252 ±50 PASS Room Temp 24.5 595.850 595.85012 0.000020 0.005 0.201 ±50 PASS Figure 1: BLX1 H11 Frequency Stability Measurements SEL-F-11 Main Body Test Form Page 11 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Nominal Measured FCC RSS Temp Frequency Frequency Deviation Limit Deviation Limit Pass/Fail (°C) (MHz) (MHz) (%) (%) (ppm) (ppm) F1 -30 596.125 596.125129 0.000022 0.005 0.216 ±50 PASS -20 596.125 596.125201 0.000034 0.005 0.337 ±50 PASS -10 596.125 596.125194 0.000033 0.005 0.325 ±50 PASS 0 596.125 596.125176 0.000030 0.005 0.295 ±50 PASS 10 596.125 596.125200 0.000034 0.005 0.336 ±50 PASS 20 596.125 596.125165 0.000028 0.005 0.277 ±50 PASS 30 596.125 596.125100 0.000017 0.005 0.168 ±50 PASS 40 596.125 596.125050 0.000008 0.005 0.084 ±50 PASS 50 596.125 596.125009 0.000002 0.005 0.015 ±50 PASS Room 24.5 596.125 596.125148 0.000025 0.005 0.248 ±50 PASS Temp D6 -30 606.150 606.150198 0.000033 0.005 0.327 ±50 PASS -20 606.150 606.150204 0.000034 0.005 0.337 ±50 PASS -10 606.150 606.150188 0.000031 0.005 0.310 ±50 PASS 0 606.150 606.150189 0.000031 0.005 0.312 ±50 PASS 10 606.150 606.150208 0.000034 0.005 0.343 ±50 PASS 20 606.150 606.150161 0.000027 0.005 0.266 ±50 PASS 30 606.150 606.150106 0.000017 0.005 0.175 ±50 PASS 40 606.150 606.150060 0.000010 0.005 0.099 ±50 PASS 50 606.150 606.150009 0.000001 0.005 0.015 ±50 PASS Room 24.5 606.150 606.150142 0.000023 0.005 0.234 ±50 PASS Temp A8 -30 615.875 615.875170 0.000028 0.005 0.276 ±50 PASS -20 615.875 615.875210 0.000034 0.005 0.341 ±50 PASS -10 615.875 615.875194 0.000031 0.005 0.315 ±50 PASS 0 615.875 615.875188 0.000031 0.005 0.305 ±50 PASS 10 615.875 615.875212 0.000034 0.005 0.344 ±50 PASS 20 615.875 615.875165 0.000027 0.005 0.268 ±50 PASS 30 615.875 615.875103 0.000017 0.005 0.167 ±50 PASS 40 615.875 615.875052 0.000008 0.005 0.084 ±50 PASS 50 615.875 615.875008 0.000001 0.005 0.013 ±50 PASS Room 24.5 615.875 615.875149 0.000024 0.005 0.242 ±50 PASS Temp Figure 2: BLX1 J11 Frequency Stability Measurements A.8. Conclusion It was found that the BLX1 H11 and J11 bodypack transmitters passed the requirements of FCC part 74.861 and RSS 210.9 Annex G. SEL-F-11 Main Body Test Form Page 12 of 33 Form Revision: 2 6/9/2017

tn n ce

Engineering Test Report No. SEL-038A Appendix B: Necessary Bandwidth B.1. Purpose This test was performed to determine if the Shure BLX1 H11 complies with the requirements stated in FCC part 74.861 and RSS210 Issue 9, Annex G. B.2. Requirements As stated in paragraph 74.861(7), for low power auxiliary stations operating in the bands allocated for TV broadcasting, the following technical requirements apply: “Analog emissions within the band from one megahertz below to one megahertz above the carrier frequency shall comply with the emission mask in section 8.3.1.2 of the European Telecommunications Institute Standard ETSI EN 300 422-1 v1.4.2 (2011-08), Electromagnetic compatibility and Radio spectrum Matters (ERM); Wireless microphones in the 25 MHz to 3 GHz frequency range; part 1: Technical characteristics and methods of measurement.” Figure 3: Spectrum mask for analogue systems in all bands - ETSI EN 300 422-1 The limits for RSS 210 Issue 9, Annex G.3.1 are shown in table G1 below: SEL-F-11 Main Body Test Form Page 14 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A B.3. Measurement Uncertainty All measurements are an estimate of their true value. The measurement uncertainty characterizes, with a specified confidence level, the spread of values which may be possible for a given measurement system. Values of Expanded Measurement Uncertainty (95% Confidence): Std uncertainty +u(%) -u(%) Expanded Uncertainty (U95): 0.130 0.130 These values can be found in the document titled ‘Occupied Bandwidth Max Input Freq Above 3kHz.xlsx’ located at \\shure.com\organization\Quality\Product Conformance-Lab Services\Global Compliance\Shure EMC Lab\Controlled Documents\Measurement Uncertainties. B.4. Test Setup and Instrumentation Photographs of the test setup are shown below. The test instrumentation can be determined from Table 10-1. SEL-F-11 Main Body Test Form Page 15 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A B.5. EUT Operation The device was powered on and set to three frequencies using the buttons on the front of the device: 572.125MHz, 584.125MHz, and 595.850MHz. B.6. Specific Test Procedures The device was tested using procedures outlined in EN 300 422-1 part 8.3.2.1 as listed below. “The arrangement of test equipment as shown in figure B.1 shall be used. Note that the noise meter conforms to (quasi peak) without weighting filter (flat). With the Low Frequency (LF) audio signal generator set to 500 Hz, the audio input level to the DUT shall be adjusted to 8 dB below the limiting threshold (-8 dB (lim)) as declared by the manufacturer. SEL-F-11 Main Body Test Form Page 16 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A The corresponding audio output level from the demodulator shall be measured and recorded. The input impedance of the noise meter shall be sufficiently high to avoid more than 0,1 dB change in input level when the meter is switched between input and output. The audio input level shall be increased by 20 dB, i.e. to +12 dB (lim), and the corresponding change in output level shall be measured. It shall be checked that the audio output level has increased by ≤ 10 dB. If this condition is not met, the initial audio input level shall be increased from -8 dB (lim) in 1 dB steps until the above condition is fulfilled, and the input level recorded in the test report. This level replaces the value derived from the manufacturer's declaration and is defined as -8 dB (lim). Measure the input level at the transmitter required to give +12 dB (lim). The LF generator shall be replaced with the weighted noise source to Recommendation ITU-R BS.559-2 [i.3], band-limited to 15 kHz as described in IEC 60244-13 [2], and the level shall be adjusted such that the measured input to the transmitter corresponds to +12 dB (lim). If the transmitter incorporates any ancillary coding or signalling channels (e.g. pilot-tones), these shall be enabled prior to any spectral measurements. If the transmitter incorporates more than one audio input, e.g. stereo systems, the second and subsequent channels shall be simultaneously driven from the same noise source, attenuated to a level of -6 dB (lim). The transmitter RF output spectrum shall be measured, using a spectrum analyser with the following settings: ▪ centre frequency: fc: Transmitter (Tx) nominal frequency; ▪ dispersion (Span): fc - 1 MHz to fc + 1 MHz; ▪ Resolution BandWidth (RBW): 1 kHz; ▪ Video BandWidth (VBW): 1 kHz; ▪ detector: Peak hold. Figure 8 shows the spectrum mask for all analogue systems in the band. The -90 dBc point shall be ±1 MHz from fc measured with an average detector. To comply, a measured value shall fall below the mask limit.” A +12dB level of -28dBV and a -8dB level of -48dBV were chosen using the first set of instructions, and the output RF power was measured with inputs of -28dBV for the +12dB level and -46dBV for the -6dB level. B.7. Results The necessary bandwidth data are presented on the following pages. Data are shown as the maximum relative level of the output level within the emission mask. SEL-F-11 Main Body Test Form Page 17 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Figure 4: H11 Necessary Bandwidth results at 572.125MHz Figure 5: H11 Necessary Bandwidth results at 584.125MHz SEL-F-11 Main Body Test Form Page 18 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Figure 6: H11 Necessary Bandwidth results at 595.850MHz Figure 7: J11 Necessary Bandwidth results at 596.125MHz SEL-F-11 Main Body Test Form Page 19 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Figure 8: J11 Necessary Bandwidth results at 606.15MHz Figure 9: J11 Necessary Bandwidth results at 615.875MHz B.8. Conclusion It was found that the BLX1 H11 bodypack transmitter passed the requirements of FCC part 74.861, FCC part 15.236 and RSS210 Issue 9, Annex G. SEL-F-11 Main Body Test Form Page 20 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Appendix C: Field Strength Spurious Emissions C.1. Purpose This test was performed to determine if the BLX1 H11 and J11 meet the spurious emissions requirements of FCC Part 74.861 and RSS 210 Issue 9, Annex G. C.2. Requirements FCC Part 74.861 (e)(7) states: “Beyond one megahertz below and above the carrier frequency, emissions shall comply with the limits specified in section 8.4 of ETSI EN 300 422-1 v1.4.2 (2011-08).” RSS 210.9 Annex G.3.4 states: “The transmitter unwanted emissions shall meet the requirements in sections 8.3 and 8.4 of ETSI EN 300 422-1 v1.4.2 (2011-08), Electromagnetic compatibility and radio spectrum matters (ERM); Wireless microphones in the 25 MHz to 3 GHz frequency range; Part 1: Technical characteristics and methods of measurement.” The limits for spurious emissions from a transmitter as stated by EN 300 422-1 v1.4.2 section 8.4 are shown below. Figure 10: Table - Limits for Spurious Emissions C.3. Measurement Uncertainty All measurements are an estimate of their true value. The measurement uncertainty characterizes, with a specified confidence level, the spread of values which may be possible for a given measurement system. Values of Expanded Measurement Uncertainty (95% Confidence): Measurement Type ULAB UFCC Radiated disturbance (electric field strength on an open area test site or alternative test site) (30 MHz – 1000 MHz) 4.12dB 6dB Radiated disturbance (electric field strength on an open area test site or alternative test site) (1 GHz – 12.75 GHz) 4.56dB 6dB ULAB = Determined for Shure EMC Laboratory UFCC = From FCC EN 300 422-1 Table 10: Measurement uncertainty Since ULAB is less than or equal to UFCC: - Compliance is deemed to occur if no measured disturbance exceeds the disturbance limit; - Non-compliance is deemed to occur if any measured disturbance exceeds the disturbance limit. SEL-F-11 Main Body Test Form Page 21 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A C.4. Test Setup and Instrumentation Photographs of the test setup are shown below. The test instrumentation can be determined from Table 10-1. SEL-F-11 Main Body Test Form Page 22 of 33 Form Revision: 2 6/9/2017



Engineering Test Report No. SEL-038A C.5. EUT Operation . The device was powered up and the frequency was set using the buttons on the device, with the audio gain set to 0. Testing was conducted with the EUT set to the three frequencies chosen within the operating frequency range of H11: 572.125MHz, 584.125MHz, and 595.850MHz and J11: 596.125MHz, 606.150MHz, and 615.875MHz. The device was powered by two AA batteries. C.6. Specific Test Procedures All tests were performed in a 28ft. x 20ft. x 18.5ft. 3m semi-anechoic test chamber. The walls and ceiling of the shielded chamber are lined with ferrite tiles. Anechoic absorber material is installed over the ferrite tile. The floor of the chamber is used as the ground plane. The chamber complies with ANSI C63.4-2003 for site attenuation. SEL-F-11 Main Body Test Form Page 25 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A The shielded enclosure prevents emissions from other sources, such as radio and TV stations from interfering with the measurements. All power lines and signal lines entering the enclosure pass through filters on the enclosure wall. The power line filters prevent extraneous signals from entering the enclosure on these leads. BLOCK DIAGRAM OF SHIELDED ENCLOSURE Preliminary radiated measurements were performed to determine the frequencies where the significant emissions might be found. The broadband measuring antenna was positioned at a 3 meter distance from the EUT. The frequency range from 25MHz to 1GHz was investigated using a peak detector function with the BiConiLog antenna at horizontal and vertical polarization, and with several different orientations of the EUT with respect to the antenna. The maximum levels measured for each antenna polarization were then automatically plotted. The resultant field strength (FS) is a summation in decibels (dB) of the EMI receiver measurement (ERM), the antenna correction factor (AF), and the cable loss factor (CF). If an external pre-amplifier is used, the total is reduced by its gain (-PA). Formula 1: FS (dBµV/m) = MTR (dBµV) + AF (dB/m) + CF (dB) + (- PA (dB)) To convert the Field Strength dBµV/m term to µV/m, the dBµV/m is first divided by 20. The Base 10 AntiLog is taken of this quotient. The result is the Field Strength value in µV/m terms. Formula 2: FS (µV/m) = AntiLog [(FS (dBµV/m))/20] Final radiated RF emissions were performed on all significant broadband and narrowband emissions found in the preliminary sweeps using the following methods: 1) Measurements of all significant broadband and narrowband signals from 25MHz to 1GHz were made using a quasi-peak detector and a BiConiLog antenna. Measurements above 1GHz were made using an average detector and a broadband double ridged waveguide antenna. SEL-F-11 Main Body Test Form Page 26 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A 2) To ensure that maximum or worst case, emission levels were measured, the following steps were taken: i. The EUT was rotated so that all of its sides were exposed to the receiving antenna. ii. Since the measuring antenna is linearly polarized, both horizontal and vertical field components were measured. The measuring antenna was raised and lowered from 1 to 4 meters for each antenna polarization to maximize the readings. C.7. Results The substitution data from the radiated emissions tests are presented below. Substitution Data BLX1 H11 Meter Equivalent Frequency Reading Matched Sig. Gen. Antenna Gain (MHz) (dBµV) Reading (dBm) (dB) Cable Loss (dB) ERP (dBm) 572.125 112.41 16.87 0.00 2.95 13.92 584.125 112.51 16.40 0.00 3.06 13.34 595.850 111.61 14.95 0.00 2.89 12.06 Substitution Data BLX1 H11 (P1) 572.125 Mhz Above 1Ghz Meter Equivalent Frequency Matched Sig. Gen. Reading Antenna Gain Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) (dBµV) (dB) 1444.200 55.47 -43.41 5.20 1.62 -39.83 1716.400 38.70 -69.10 5.60 1.63 -65.13 2288.400 41.11 -62.79 5.70 1.96 -59.05 2860.600 41.84 -64.96 6.90 2.35 -60.41 3432.800 46.66 -69.08 8.1 2.24 -63.22 4005.000 37.70 -72.00 8.90 2.54 -65.64 Substitution Data BLX1 H11 (H5) 584.125 Mhz Above 1Ghz Meter Equivalent Frequency Matched Sig. Gen. Reading Antenna Gain Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) (dBµV) (dB) 1168.200 50.55 -47.98 3.40 1.34 -45.92 1752.000 35.45 -70.00 5.50 1.63 -66.13 2336.600 43.5 -58.39 5.60 1.80 -54.59 2920.600 47.19 -54.30 7.00 2.15 -49.45 3504.800 43.97 -62 8.2 2.71 -56.51 4089.000 38.18 -64.00 9.00 2.54 -57.54 Substitution Data BLX1 H11 (J9) 595.850 Mhz Above 1Ghz Meter Equivalent Frequency Matched Sig. Gen. Reading Antenna Gain Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) (dBµV) (dB) 1191.800 44.88 -54.93 3.40 1.43 -52.96 1788.000 37.44 -70.00 5.50 1.63 -66.13 2383.400 46.38 -54.90 5.70 2.35 -51.55 2979.600 46.96 -54.60 7.00 2.15 -49.75 SEL-F-11 Main Body Test Form Page 27 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A 3575.200 40.95 -66 8.2 2.71 -60.51 4171.000 38.86 -66.00 9.20 2.61 -59.41 Substitution Data BLX1 J11 Meter Frequency Reading Matched Sig. Gen. Equivalent (MHz) (dBµV) Reading (dBm) Antenna Gain (dB) Cable Loss (dB) ERP (dBm) 596.125 110.74 13.95 0.00 2.95 11.00 606.150 108.38 10.69 0.00 3.06 7.63 615.875 106.18 8.68 0.00 2.89 5.79 Substitution Data BLX1 J11 596 Mhz Above 1Ghz Meter Frequency Matched Sig. Gen. Equivalent Reading Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) Antenna Gain (dB) (dBµV) 1192.400 45.57 -50.71 3.40 1.43 -48.74 1788.200 40.28 -57.70 5.50 1.63 -53.83 2384.600 46.92 -49.37 5.70 1.85 -45.52 2980.800 48.93 -48.16 7.00 2.15 -43.31 3576.800 44.84 -52.49 8.20 2.71 -47.00 4173.000 41.04 -57.14 9.20 2.61 -50.55 Substitution Data BLX1 J11 606MHz Above 1Ghz Meter Frequency Matched Sig. Gen. Equivalent Reading Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) Antenna Gain (dB) (dBµV) 1212.600 38.58 -57.08 3.70 1.41 -54.79 1818.600 38.82 -57.80 4.90 1.91 -54.81 2424.600 42.81 -51.32 5.80 2.11 -47.63 3030.800 45.27 -51.96 7.10 2.21 -47.07 3637.000 45.17 -52.17 8.30 2.41 -46.28 4243.000 39.43 -59.07 9.40 2.81 -52.48 Substitution Data BLX1 J11 615 Mhz Above 1Ghz Meter Frequency Matched Sig. Gen. Equivalent Reading Cable Loss (dB) ERP (dBm) (MHz) Reading (dBm) Antenna Gain (dB) (dBµV) 1231.800 38.81 -57.42 4.10 1.41 -54.73 1847.800 40.64 -56.85 4.90 1.91 -53.86 2463.600 47 -49.28 5.80 2.11 -45.59 3079.400 52.74 -45.35 7.10 2.21 -40.46 3695.200 42.29 -56.2 8.30 2.41 -50.31 4311.200 40.84 -57.13 9.50 2.83 -50.46 SEL-F-11 Main Body Test Form Page 28 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A C.8. Conclusion It was found that the BLX1 H11 and J11 bodypack transmitters passed the requirements of FCC part 74 and RSS 210 Issue 9, Annex G. SEL-F-11 Main Body Test Form Page 29 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Appendix D: RF Output Power D.1. Purpose This test was performed to determine if the EUT meets the RF power output requirements of FCC Part 74.861 and RSS 210.9. D.2. Requirements As stated in FCC 74.861(e)(1)(ii), For low power auxiliary stations operating in the 600 MHz duplex gap and the bands allocated for TV broadcasting, the following technical requirements apply: The power may not exceed the following values. (ii) 470-608 and 614-698: 250 mW conducted power As stated in RSS 210.9 Annex G, transmitter EIRP shall be limited to the values listed in Table G1 below, or 250 mW. D.3. Measurement Uncertainty All measurements are an estimate of their true value. The measurement uncertainty characterizes, with a specified confidence level, the spread of values which may be possible for a given measurement system. Values of Expanded Measurement Uncertainty (95% Confidence): Std uncertainty +u(dB) -u(dB) Expanded Uncertainty (U95): 0.461 0.461 These values can be found in the document titled ‘Carrier Power w ETS Power Meter (L23-045- 36).xlsx’ located at \\shure.com\organization\Quality\Product Conformance-Lab Services\Global Compliance\Shure EMC Lab\Controlled Documents\Measurement Uncertainties. D.4. Test Setup and Instrumentation Photographs of the test setup are shown below. The test instrumentation can be determined from Table 10-1. SEL-F-11 Main Body Test Form Page 30 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A SEL-F-11 Main Body Test Form Page 31 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A D.5. EUT Operation The EUT was powered up and the transmit frequencies (572.125MHz, 584.125MHz, and 595.850MHz and J11: 596.125MHz, 606.150MHz, and 615.875MHz) were selected using the front panel controls. D.6. Specific Test Procedures a. The EUT’s RF output was connected to an artificial antenna at ambient temperature. b. The EUT’s frequency was set at the first test frequency. c. The power level was measured and recorded. d. Steps b and c were repeated at the other test frequencies. e. The cable loss and antenna gain were recorded and factored into the measured power data using the equation below: D.7. Results The results of the power output test can be seen below. Nominal Measured Measured Measured Frequency FCC Limit RSS Limit Power Power Power Power Unit# (MHz) (mW) (dBm) (mW) (mW EIRP) (mW) (mW EIRP) 572.150 10 11.14 13.00 13.48 250 250 RF Out1 H11 584.125 10 10.79 11.99 12.35 250 250 595.850 10 10.21 10.50 10.86 250 250 SEL-F-11 Main Body Test Form Page 32 of 33 Form Revision: 2 6/9/2017

Engineering Test Report No. SEL-038A Nominal Measured Measured Measured Frequency Power FCC Limit RSS Limit Power Power Power Unit# (MHz) (mW) (dBm) (mW) (mW EIRP) (mW) (mW EIRP) 596.125 10 10.69 11.72 12.51 250 250 RF Out1 J11 606.150 10 10.00 10.00 10.79 250 250 615.875 10 9.11 8.15 8.94 250 250 D.8. Conclusion It was found that the BLX1 H11 and J11 bodypack transmitters passed the requirements of RSS 210.9 and FCC 74.861(e)(1)(ii). SEL-F-11 Main Body Test Form Page 33 of 33 Form Revision: 2 6/9/2017


Document Created: 2019-07-12 09:19:10
Document Modified: 2019-07-12 09:19:10
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC