Test Report

FCC ID: OMO-01RX

Test Report

Download: PDF
FCCID_49561

                        TEST REPORT #100799



                       STANDARD: FCC PART 15

            SUBPART B--UNINTENTIONAL RADIATORS
           SECTION 15.109 RADIATION EMISSION LIMITS


                         EQUIPMENT TESTED:


                     LACROSSE TECHNOLOGY, LTD.

                     MODEL: HFS 301-WS RECEIVER


                       TEST DATE: 10 JULY 1999




                              INTERNATIONAL
1100 Falcon Avenue                                     Tele: 320-864-4444
Glencoe, MN 55336                                      Fax: 320-864-6611


                        CERTIFICATION SERVICES, INC.


                   Prepared for:                           LaCrosse Technology, Ltd.
                                                           1116 South Oak Street
                                                           LaCrescent, MN 55447




                                                          International Certification Services, Inc.
                   Test agent:                            1100 Falcon Avenue
                                                          Glencoe, MN 55336
                                                          Tele: 320-864-4444
                                                          Fax: 320-864-6611




                   Test location:                        International Certification Services, Inc.
                                                         1100 Falcon Avenue
                                                         Glencoe, MN 55336
                                                         Tele: 320-864-4444
                                                         Fax: 320-864-6611




                   Prepared by:                          International Certification Services, Inc.
                                                         1100 Falcon Avenue
                                                         Glencoe, MN 55336




    International Certification Services represents to the client that testing is done in accordance with standard procedures applicable and
    that reported test results are accurate within generally accepted commercial ranges of accuracy.

.   This report only applies to the specific samples tested under stated test conditions. It is the manufacturer’s responsibility to assure that
    additional production units of this model are manufactured with identical electrical and mechanical components. International
    Certification Services shall have no liability for any deductions, inferences or generalizations drawn by the client or others from this
    report.

    This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the
    test report shall not be reproduced except in full without our written approval.




                                                                                                                       INTERNATIONAL




                                                                                                              CERTIFICATION SERVICES, INC.


1.0   TEST SUMMARY

TEST REPORT: #100799

COMPANY:                LaCrosse Technology, Ltd.

AGENT:                  International Certification Services, Inc.

PHONE:                  320-864-4444

TEST DATE:              10 July, 1999

EQUIPMENT UNDER TEST:          433.92 Mhz Superregenerative receiver


GENERAL TEST SUMMARY: The testing was performed at International Certification
                      Services, Inc. at 1100 Falcon Ave, Glencoe, MN 55336




VERIFICATION / CERTIFICATION The 433.92 Mhz Superregenerative receiver was found
STATUS:                      to be in compliance with the FCC Part 15 Subpart B,
                             Section 15.109 requirements.

MODIFICATIONS NECESSARY:          None




TESTED BY                      WRITTEN BY

Gerald Heinen                  Duane R. Bagdons




2.0   Applicable Standards
                                                                              INTERNATIONAL




                                                                       CERTIFICATION SERVICES, INC.


      47 CFR Ch.1 (10-1-98 Edition)
           FCC Part 15         Radio Frequency Devices
                  Subpart B    Unintentional Radiators
                        Section 15.109       Radiated Emission Limits

2.1   Referenced Standards
      ANSI C63.4-1992 Methods of Measurement of Radio-Noise Emissions from Low-Voltage
                       Electrical and Electronic Equipment in the Range of 9 Khz to 40 Ghz.

2.2   Equipment Units Tested
      The equipment tested was a battery powered 433.92 Mhz super regenerative receiver. This
      subassembly is used in various products. The antenna is a permanent component and is
      part of the internal PC board assembly.

2.3   Equipment and Cable Configuration
      See photos of the EUT pc board and schematic and test configuration setup in Attachment
      A

2.4   List of Test Equipment


          Test Equipment                   Model                  S/N             Calibration Date
      Spectrum Analyzer         Hewlett-Packard 8566B        2421A00458           3/10/99
      Preamp                    MiniCircuits ZKL-2R7         N/A                  6/1/99
      Biconical Antenna         AH Systems Model SAS-        328                  6/16/99
                                200/540
      Log Periodic Antenna      EMCO 3146                    9111-3280            6/16/99
      (200-1000 MHz)
      Horn Antenna (1-18 Ghz) EMCO 3115                      5697                 3/5/99



      Measurement cable losses, and antenna correction factors are included in the data sheets.
      Average detection methods were used in the measurements. The Resolution BW was set
      at 1 Mhz and the Video BW was set at 1 Hz with a Span of 0 Hz to perform the correct
      average detected measurements.



2.5   Units of Measurement.
      All measurements were taken in dBuV/m with the antenna located at 3 meters distance
      from the EUT. Frequency measurements are recorded in Mhz

2.6   Location of Test Site
      The open area test site (OATS) measurement facility used to collect the data was
      International Certification Services, Inc. at 1100 Falcon Ave in Glencoe, MN 55336. This
                                                                                 INTERNATIONAL




                                                                          CERTIFICATION SERVICES, INC.


       site has been certified to be in spec of the normalized site attenuation per ANSI C63.4-
       1992. See letter of compliance from FCC dated July 23, 1998. (FCC 31040/SIT 1300F2)

2.7    Measurement Procedures
       A driving signal was induced into the receiver by using a stick antenna driven by a signal
       generator. The generator was tuned to 433.92 Mhz and the output amplitude was set to a
       very low level (-30 dBm) just enough to excite the receiver. Receiver activity was monitored
       with an oscilloscope.

       The receiving antenna was placed at a distance of 3 meters from the EUT. The EUT was
       set on an insulating table in the OATS site and rotated through 360 degrees to determine
       the worst case EUT orientation. The antenna was then positioned vertical and horizontal to
       determine which antenna polarity orientation was worst case. Then certification data was
       recorded at all the frequencies from the fundamental to the 10th harmonic at an antenna
       height variation of from 1-4 meters.

2.8    Reporting Measurement Data
       See data sheets and plots in Attachment B.

2.9    Radiated Emissions Data
       The frequency and amplitude of the tuned frequency of the EUT along with the frequencies
                                                   th
       and amplitudes of the harmonics up to the 7 harmonic are reported in the data sheets in
       Attachment B. This information is plotted against the limit of section 15.231 of FCC Part 15
       subpart B. The polarization of the antenna for each measurement is also recorded.


       The Final Level, expressed in dBuV/m, is arrived at by taking the reading from the spectrum
       analyzer (Level dBuV) and adding the antenna correction factor and cable loss factor
       (Factor dB) and subtracting the preamp gain. This result then has the FCC limit subtracted
       from it to provide the margin which gives the tabular data as shown in the data sheets in
       Attachment B.

Example:

Frequency           Level  +      Factor = Corr Data - FCC Limit           =         Margin
   (MHz)            (dBuV) +       (dB) = (dBuV/m) - (dBuV/m)              =         (dB)
   100.0            20.6   +      11.0   = 31.6      - 43.5                =         -11.9


2.10   Operating Frequency Data for Intentional Radiators
       All operating frequencies and harmonic frequencies and ambient temperature at which all
       data was taken at is recorded in the data sheets in Attachment B.

2.11   Summary of Results


                                                                                      INTERNATIONAL




                                                                               CERTIFICATION SERVICES, INC.


The EUT passed the requirements of FCC Part 15 Subpart B, Section 15.109 with a
minimum passing margin of –8.2109 dBuV/m at 437.166 Mhz. No modifications were
necessary to accomplish this compliance.




                                                                       INTERNATIONAL




                                                                CERTIFICATION SERVICES, INC.


              ATTACHMENT A




RADIATED MEASUREMENT SCHEMATIC AND PHOTOS




                                           INTERNATIONAL




                                    CERTIFICATION SERVICES, INC.


Model: HFS 301-WS 433.92 Mhz Receiver Electrical Schematic




                                                                    INTERNATIONAL




                                                             CERTIFICATION SERVICES, INC.


HFS 301-WS (433.92 Mhz) Receiver PC Board




                                                   INTERNATIONAL




                                            CERTIFICATION SERVICES, INC.


                                       ATTACHMENT B

                              DETAILED TEST DATA SHEETS


Each radiated emissions plot indicates the receiving antenna measurement distance in meters and
the emission amplitudes with respect to their applicable limits. The associated tabulation for each
radiated plot lists the emission frequency, the final emission level, and the margin from the limit.




                                                                                    INTERNATIONAL




                                                                             CERTIFICATION SERVICES, INC.


LaCrosse Technology, Ltd.
Model: HFS 301-WS 433.92 Mhz Receiver
Temperature: 80 Deg F.
Humidity: 66 % R.H.

Test Technician: Gerald Heinen

Center Frequency: 433.92 Mhz

Preliminary tests were performed on antenna polarities of Vertical and Horizontal. Horizontal was
the worst case so all data was taken with an antenna polarity of Horizontal.

Initial testing was performed in the anechoic shield room to determine if there were any other
spurious emissions other than the fundamental and its harmonics. No other emissions were
found.

Certification testing was performed at the OATS site with an antenna distance of 3 meters and the
EUT at 90 Degrees to the antenna.

The limit for section 15.109 is 100 uV/m from 30-88 Mhz, 150 uV/m from 88-216, 200 uV/m from
216-960 Mhz and 500 uV/m above 960 Mhz. All data is taken with the required Quasi-Peak
Detector. This converted to dBuV is the limit shown in the next table.


Freq      Quasi-     Ant     Cable Corr        15.109 Margin
(Mhz)     Peak Det Corr      Corr     Data     Limit
          dBuV/m     Fac     Fac               dBuV/m
  404.915        27.7 15.4983 4.1599 25.3582      46.02 -20.662
406.50507          30 15.5301 4.17638 27.7065     46.02 -18.314
408.18513        30.4 15.5637 4.19379 28.1575     46.02 -17.863
409.77518      30.95 15.5955 4.21026 28.7558      46.02 -17.264
411.39523      31.25 15.6419 4.22705 29.1189      46.02 -16.901
413.04529        31.6 15.6914 4.24415 29.5355     46.02 -16.484
414.66534      31.75    15.74 4.26094 29.7509     46.02 -16.269
416.25539        31.8 15.7877 4.27742 29.8651     46.02 -16.155
417.84545        32.2 15.8354 4.2939 30.3293      46.02 -15.691
419.49551      32.55 15.8849     4.311 30.7459    46.02 -15.274
  421.085      32.75 15.9217 4.32747 30.9992      46.02 -15.021
422.67506        32.4 15.9535 4.34395 30.6975     46.02 -15.323
424.29511        31.6 15.9859 4.36074 29.9466     46.02 -16.073
425.91516        29.8 16.0183 4.37753 28.1958     46.02 -17.824
427.53522      27.45 16.0507 4.39432 25.895       46.02 -20.125

Freq       Quasi-       Ant      Cable     Corr      15.109   Margin
(Mhz)      Peak Det     Corr     Corr      Data      Limit
                                                                                    INTERNATIONAL




                                                                             CERTIFICATION SERVICES, INC.


            dBuV/m    Fac    Fac                  dBuV/m
430.74533       29.65 16.1224 4.42758   28.1999     46.02    -17.82
432.33538       33.75 16.1701 4.44406   32.3641     46.02   -13.656   Signal
433.95543        45.9 16.2187 4.46085   44.5795     46.02   -1.4405   Generator
                                                                      Ouput signal
435.54549       38.45 16.2664 4.47733   37.1937     46.02   -8.8263
437.16576          39 16.315 4.49412    37.8091     46.02   -8.2109
438.78549       38.45 16.3636 4.5109    37.3245     46.02   -8.6955
440.37576       36.65 16.4113 4.52739   35.5887     46.02   -10.431
441.99548        34.2 16.4599 4.54417    33.204     46.02   -12.816
443.58575       32.25 16.5076 4.56065   31.3182     46.02   -14.702
445.17548        32.3 16.5553 4.57713   31.4324     46.02   -14.588
446.82569        33.4 16.6048 4.59423    32.599     46.02   -13.421
448.40008       34.05 16.652 4.61054    33.3125     46.02   -12.707
450.02013        34.3 16.7004 4.62733   33.6277     46.02   -12.392
451.64019        34.3 16.7328 4.64412   33.6769     46.02   -12.343
453.26024       34.45 16.7652 4.66091   33.8761     46.02   -12.144
454.79029        33.6 16.7958 4.67677   33.0726     46.02   -12.947
456.50035        33.4   16.83 4.69449   32.9245     46.02   -13.096
 458.0904        32.7 16.8618 4.71097   32.2728     46.02   -13.747
459.77046       32.45 16.8954 4.72838   32.0738     46.02   -13.946
461.36057        32.1 16.968 4.74486    31.8129     46.02   -14.207
462.98008       31.55 17.049 4.76164    31.3606     46.02   -14.659




                                                                               INTERNATIONAL




                                                                      CERTIFICATION SERVICES, INC.


                     HFS 301-WS 433.92 Mhz Receiver
                                                               Signal Generator excitation
                                                               signal
         50
         45
         40
         35
dBuV/m




         30
                                                                                                   Corr Data
         25
                                                                                                   Limit
         20
         15
         10
          5
          0
              405
                    410
                          415
                                419
                                      424
                                             431
                                                   436
                                                         440
                                                                445
                                                                       450
                                                                               455
                                                                                       460




                                            Freq (Mhz)




                                                                                                    INTERNATIONAL




                                                                                             CERTIFICATION SERVICES, INC.


                      ATTACHMENT C



PRODUCT DATA SHEET OR PRODUCT INFORMATION FORM AS SUPPLIED
                     BY THE CUSTOMER




                                                    INTERNATIONAL




                                             CERTIFICATION SERVICES, INC.


COMPANY NAME:          LaCrosse Technology, Ltd.

CUSTOMER REPRESENTATIVE:             International Certification Services, Inc.

EQUIPMENT DESCRIPTION:       433.92 Mhz Super-regenerative Receiver


MODEL NUMBER:     HFS 301-WS


SERIAL NUMBER:         Engineering Unit


TYPE OF TEST:            Development
                         Initial Design Verification
                         Design Change (Please describe exact changes below)
                   X      Production Sample (Audit Test)


                Changes made: NONE



OSCILLATOR FREQUENCIES:
    NONE

PRODUCT SHIELDING PROVISION:
 Plastic enclosure


SOFTWARE AND / OR OPERATING MODES:
    NONE

I/O CABLES:      NONE




                                                                                  INTERNATIONAL




                                                                         CERTIFICATION SERVICES, INC.



Document Created: 2001-06-08 12:37:56
Document Modified: 2001-06-08 12:37:56

© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC