Direction Antenna

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General Atomics Aeronautical Systems

2015-08-27ELS_166497

communications Compact Lens Antenna Communication Systems-West The L-3 Compact Lens antenna provides 20 dBic of Ku-band gain using a 2-axis pedestal in a small and lightweight package allowing its use in small UAV's or manned applications without the drag penalties usually associated with horn or dish antennas. PRODUCT DESCRIPTION Data Link Products The Compact Lens Antenna is L-3 The antenna pedestal Communications' low profile, low- operates as a pointing drag solution to implementing antenna receiving its CDL and STANAG 7085 system pointing commands requirements where long-range over the RS-485 and high availability requirements bus at up to 20Hz require use of airborne directional ensuring that the antennas. The Compact Lens antenna will Antenna offers 20 dBic of gain remain properly and is right-hand circularly pointed even polarized. This antenna uses a during dynamic unique RF lens approach that airborne maneu- requires 36% less volume than an vers. The two- equivalent-gain horn antenna. degree-of-freedom pedestal ensures Product Customization proper antenna pointing at long and short ranges and The Compact Lens Antenna is a member during aircraft maneuvers. of the L-3 data link product family, but can be used in any application requiring a Ku A maximum of eight antennas can be con- band high-gain two-axis antenna. The trolled with one user-supplied antenna antenna interfaces with 28VDC standard controller. The antenna assembly uses power, a standard RF coaxial connector, Non-Volatile Memory to store user-defined and an RS-485 antenna control port. The boresight offsets as necessary. The anten- antenna consists of the following major na assembly contains Built-In-Test capa- components: 1) a directional radiating RF bility to detect 95% of possible faults and element; 2) RF interconnecting compo- report the results of the test on the RS-485 nents; 3) a two degree-of-freedom anten- status bus. na pedestal for pointing; 4) motors and angular position feedback sensors; 5) an The antenna's radome will survive air- electronic module for motor drive, position speeds up to 250 knots. If desired, the sensing interface, data interfaces and customer can provide their own radome as power conversion; and 6) a radome to needed for each airborne application, or protect the antenna from the environment. L-3 can provide a custom design. KEY FEATURES AND BENEFITS Features Benefits · High Gain, Low Cost, 2-Axis · Long range, high availability relative to · Hemispherical Constant Index Lens Omni antennas 640 North 2200 West · Minimizes losses at any attitude and range P.O. Box 16850 Options · Low drag for minimum impact to flight efficiency Salt Lake City, UT 84116 · Application on any aircraft, optimizing drag · Custom Radome Tel: 801-594-3473 FAX: 801-594-3003 www.L-3com.com/csw Cleared by DoD/OFOISR for Public Release under 07-S-2579 on 27 August 2007

SPECIFICATIONS Compact Lens Antenna PERFORMANCE CHARACTERISTICS PHYSICAL CHARACTERISTICS RF Characteristics  Ku-band CDL Frequency Range  14.4 GHz to 15.35 GHz Gain 19.3 dBic Beam width (3 dB) Max 12.0 degrees Side lobes  14.0 dB maximum Polarization Right hand Circular Data Link Products Axial Ratio at beam peak 2.0 dB maximum VSWR (over frequency) 1.7:1, maximum RF Power handling 50 W maximum Control/Status Interface RS-485A interface from/to the Data Link Antenna Controller Input Power  1 Amp max. @ +28 VDC +/- 10% Weight  < 6.75 lbs Size  6.0-inch diameter cylinder 10.6 inches tall, includes radome Humidity Operating: (Antenna) 95% w/condensation Shock For further information on Compact Operating: 20g, 11msec, half sine Non-operating: Lens Antenna contact Al Modrovsky: 30g, 18msec, half sine L-3 Communications Vibration Communication Systems - West 640 North 2200 West  Operating: 8.5 GRMS P.O. Box 16850 Altitude Salt Lake City, Utah 84116-0850  Operating: 40k ft Maximum Telephone: 801-594-3473 Fax: 801-594-3003 Temperature www.L-3com.com/csw/product  Operating: -40°C to +71°C Non-operating: -57°C Albert.T.Modrovsky@L-3com.com to +95°C Data contained within this document are summary in nature and subject to change at any time at L-3 Communications’ discretion. communications L-3CSW 09/10/07 Printed in U.S.A. Communication Systems-West


Document Created: 2007-09-10 15:28:29
Document Modified: 2007-09-10 15:28:29
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