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I. INTRODUCTION The availability of low-cost, high performance amplifiers is crucial to the continued development of mm-wave commercial applications from 17 to 40 GHz. Typical applications include wireless data links such as Local Multipoint Distribution Service (LMDS) and point-to-point microwave radio as well as automotive 24GHz, instrumentation, and VSAT...

1. INTRODUCTION CDMA (IS-95) has a multiple access scheme based on spread spectrum technology, which has been applied to digital cellular mobile communications since the early 1990s. The number of traffic channels used depends on the number of users in the cell. Thus the output signal of the IS-95...

The intense pressure on wireless service providers to reduce cost at every level while maintaining or even increasing performance has produced some notable achievements. One of the most impressive is in LDMOS RF power transistors, which today deliver higher RF power, gain and efficiency than their predecessors. Although perhaps...

In response to increased X-band communications requirements, Locus Microwave has developed a 5 or 10 W miniature Block Upconverter (BUC). The UB61000-037/-040 provides a cost-effective, compact and rugged solution for a variety of X-band communications needs including commercial, military and military Manpack SATCOM systems. This unit features an L-band...

During World War II, RF and microwave systems proved to be of major importance for both communication and radar. Consequently, intensive research was conducted in this field, resulting in major breakthroughs. The introduction of novel communication and sensing equipment continued after the war for both military and civilian applications....

One of the scarcest commodities in this country today is space in the radio spectrum. The increasing requirement for broadcasting services, public and private communications, aircraft guidance, military applications and a thousand other uses of the radio spectrum has created a demand for available frequencies that far exceeds the...

A number of wireless multimedia distribution applications under consideration for development include high-definition multimedia interface (HDMI) cable replacement/uncompressed high-definition (HD) video streaming, mobile distributed computing, wireless docking stations, wireless gigabit Ethernet, fast bulky file transfer and wireless gaming. Additionally, some are looking to install a larger number of WPAN...

Teledyne Technologies Inc. announced that its subsidiary, Teledyne Ltd. , has completed the acquisition of the Defense Electronics business of Filtronic PLC for £13.0 M (approximately $24.3 M). The Defense Electronics business, principally based in Shipley, United Kingdom, provides customized microwave subassemblies and integrated subsystems to the global defense...

Mobile TV is considered by many to be the next “killer application” for the handset market, and many standards—DVB-H, MediaFLO, T-DMB, or ISDB, for example—are already available for deploying this service. The market expansion of mobile TV, however, is not meeting original expectations, in part due to high infrastructure...

UHF SATCOM Antenna The model 092-00635 is a conformal UHF SATCOM antenna that employs quad planar inverted F antenna (PFIA) radiators with an integral feed network to provide circularly polarized hemispherical coverage. This miniature SATCOM antenna is qualified for supersonic flight and is optimized for performance over the UHF...