Hittite Microwave Corp., Chelmsford, MA

Wireless infrastructure designers must often contend with conflicting goals when developing new equipment for the base transceiver station (BTS) market. The components used in today's systems are frequently required to operate over multiple bands and under multiple modulation formats. The quest for higher performance, lower cost, component interchangeability and...

Modern frequency synthesis uses a combination of frequency multiplication and frequency division to generate the required data and carrier signals for microwave radio and radar applications. Frequency multiplication increases the carrier frequency while increasing the phase noise of the carrier by 20log(N), where N is the multiplication factor. Conversely,...

Cover Feature Low Cost Plastic MMIC VCOs Hittite Microwave Corp. Chelmsford, MA Fig. 1 Ku-band VCO on an evaluation PCB. A breakthrough in monolithic microwave integrated circuit (MMIC) design and manufacturing technology has occurred with the introduction of a new multifunction VCO product line. The new VCO's phase noise...

Positive Bias GaAs Multithrow Switches with Integrated TTL Decoders Hittite Microwave Corp. Chelmsford, MA Distribution and reception of digital, video and voice information has become an essential part of our daily routine. We use a network of fiber-to-RF cable to communicate with family, friends and coworkers via the Internet;...

GaAs MMICs for Changing Base Station Requirements Hittite Microwave Corp. Woburn, MA Today, wireless infrastructure designers are being faced with increasingly challenging design requirements. Cellular base transceiver stations (BTS), or base stations, are becoming smaller, smarter, higher performance, self-contained and lower cost simultaneously. Early cellular BTS designs, which are...

Plastic Surface-mount Doublers That Cover Up to 6 GHz Hittite Microwave Corp. Woburn, MA Wireless communications applications continue to evolve at a furious pace. New applications are emerging endlessly such as wireless local loops and multipoint multichannel distribution systems. Wireless local area networks are increasing in frequency from 900...