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AMPLIFIERS Masthead Amplifier The model G3 masthead amplifier features a noise figure typically better than 1.4 dB and can increase the receive sensitivity of the base station significantly, eliminating imbalance and improving effective range and quality of coverage. Planning a new GSM1800 or PCS1900 network with the unit could...
DEVICES Schottky Eight-diode Ring Quads The models SMS3938-026, SMS3939-026 and SMS3940-026 low, medium and high barrier eight-diode ring quads, respectively, are designed for use in double-balanced mixers requiring higher compression points and better intermodulation performance than standard four-diode ring quads. The units are packaged in industry-standard SOT-143 packages on...
SOURCES Surface-mount Synthesizers These low cost synthesizers utilize a three-wire serial control interface and exhibit low noise, low spurious levels, low power consumption, fine frequency resolution and small size. Specifications include an output frequency of 500 MHz to 3 GHz with up to 50 percent bandwidths, resolution of 1...
SUBSYSTEMS C-band INTELSAT Synthesizer The LCCB series C-band, low phase noise synthesizer offers a low cost alternative for C-band INTELSAT SATCOM applications. In addition to the 125 kHz step size output at C-band, the synthesizer provides a standard second output at L-band that is used as the second conversion...
MATERIALS EMI Gasket Materials The Cho-Form" series form-in-place EMI gasket materials are developed for automated dispensing systems. The Cho-Form 3.0 series material is a silver-plated, copper-filled silicon with a low 85°C cure temperature; the Cho-Form 4.0 series material is a nickel-graphite-filled silicone formulated to reduce galvanic activity between a...
SYSTEM S-band Airborne Command Control Receiver The model RCC-223-SYN airborne command control receiver is a dual-conversion super-heterodyne UHF unit capable of operating in S-band with a 200 MHz tuning range in 1 MHz steps. The receiver features locally selectable dual IF bandwidths. Tuning is accomplished via remote BCD code...
News From Washington Australia Awards $100 M for Tactical Air Defense Radar Equipment Australia has awarded a $100 M contract to Lockheed Martin for the supply and five-year support of four Tactical Air Defense Radar Systems for the Australian Defense Force. The new radar systems will be located in...
International Report NIIP Launches New Phased-array Fighter Radar Russian radar contractor Nauchno-Issledovatelskiy Institut Priborostroyeniya (NIIP - Scientific Research Institute for Instrument Engineering) used the September Farnborough International Airshow to launch the lightweight Osa (Wasp) phased-array fighter radar. At the show, the Osa radar was fitted to the displayed Mikoyan...
The Book End The RF and Microwave Circuit Design Cookbook Stephen A. Maas Artech House Inc. 267 pages; $65, £52 With the vast majority of engineers challenged to produce effective hardware designs in record time, it is refreshing to pick up a book that is aimed at these individuals...
140 GHz Extender Modules for Vector Network Analyzers Anritsu Co., Microwave Measurements Division Morgan Hill, CA For nearly the entire history of microwave communications, the characteristics of the mm-wave spectrum between 100 and 140 GHz have intrigued scientists and designers alike. The future of this formerly remote portion of...
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