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Amplifiers / Manufacturing/Services / Passive Components / Subsystems and Systems

New Millimeter-wave Receivers Drive Next Generation Radiometer Systems

March 5, 2007
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SAN JOSE, CA-March 5, 2007--Endwave Corporation (NASDAQ: ENWV), a provider of high-frequency RF modules for telecommunications networks, defense electronics and homeland security systems, has announced the release of two custom-designed millimeter-wave receiver modules for radiometer applications. Two Down-Converter models have been custom-designed to operate at K-band (20-40 GHz) and V-Band (50-75 GHz). Gain calibration is accomplished using an internal K- or V-Band noise source, a noise injection coupler, and a precision temperature sensor. Using a +2.0 dBm Ku-Band local oscillator (LO) input to each module, both units employ a sub-harmonic mixer topology to down-convert from the millimeter-wave input frequency to an IF output under 1 GHz, providing 30 dB of nominal gain to the input signal. The V-Band module utilizes an additional diode-based frequency doubler on the LO input, allowing a common local oscillator to drive both modules. Overall, the receiver noise figure is under 4 dB for the K-Band model and under 6 dB for the V-Band receiver. Market applications include comprehensive real time atmosphere profiling for airport air traffic control, severe weather forecasting in support of emergency population evacuations, and homeland security atmospheric sensing. For more information on Endwave's custom millimeter-wave capabilities, call an applications specialist at 408-522-3180, or send an email to for further details. Additional transceiver subsystem data can be found at

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