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Aerospace & Defense Electronics Supplement
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A&D Test & Measurement
Efficient Design and Analysis of Airborne Radomes
Radio Design Service
This wireless local loop design service incorporates a full-duplex system with two-chip MMIC solution for a synthesized RF front end with ultra-high linearity and efficiency. The solution delivers a high speed variable-rate modem with automatic detection and modulation/demodulation capability using quadrature phase-shift keying or 64-QAM modulation scheme. The speed of the radio is up to 150 Mbps and utilizes binary Manchester coding. Compatible with CDMA and TDMA, the signal is controlled with a microcontroller.
Princeton Electronic Systems Inc. (PES), Princeton, NJ (609) 275-6500.
High Performance Fiber-optic Transceiver System
The model AC 234 highly integrated fiber-optic wireless transceiver system features an internal patent-pending wavelength division multiplexer (WDM) technology that permits four-channel transmission over a single fiber, thereby increasing fiber usage and lowering overall system costs. The transceiver operates on a single 12 V DC power supply and delivers a spurious-free dynamic range of 95 dB/Hz2/3 (min). Output noise is -130 dBm/Hz and third-order input is +25 dBm. Other features include remote monitoring and alarming features, including a function that provides an on/off control for the laser and a laser monitor that indicates the status of the laser. Designed for applications where there is limited availability of fiber, the AC 234 is best suited for fiber-optic repeaters for cellular, PCS, wireless local loop and other wireless applications.
Anacom Systems Corp., New Brunswick, NJ (732) 846-2680.
Digital Microwave Radios
The NLITE™ 2000 series digital microwave radios are available in the 18, 23 and 38 GHz bandwidths, and are suitable for networks operated by personal communications and cellular service providers, utilities, common carriers, local governments and private users. The NLITE radios incorporate an indoor unit (IDU) and outdoor unit (ODU) and a single coaxial cables ODU-IDU interconnection as well as a wide input power supply of ±22 to 60 V DC. Installation is simple, and firmware enhancements via downloadable software are included.
NEC America Inc., Irving, TX (972) 751-7211.
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