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To: waitwatchwander who wrote (16938)	10/22/1998 10:09:00 AM
From: 2brasil	Respond to of 152472

Siemens Enters CDMA Race With Introduction of If Transmitter Chip for North American Wireless Communications Systems CUPERTINO, Calif.--(BUSINESS WIRE)--Oct. 20, 1998--Siemens Microelectronics Inc. has entered the Code Division Multiple Access (CDMA) market with the introduction of two RF ICs for the fast growing IS-95 and JSTD-008 digital wireless standards. The new transmitter (called the PMB 5620) and receiver (the PMB 5640) devices are designed for use in CDMA/FM cellular phone systems, CDMA Personal Communications Services (PCS) systems and cordless telephones. In 1997, CDMA telephone equipment accounted for only about three percent of the cellular phone equipment used worldwide. The market is growing rapidly, however, and CDMA standard phones are expected to account for 25 to 35 percent of the market by the year 2000. Siemens PMB 5620 transmitter and PMB 5640 receiver devices feature a fully-integrated quadrature modulator/demodulator, an integrated AGC amp with 105dB gain range and a VCO with external tuning circuit that can also be used a buffer for external VCO. The device also has CDMA/FM mode switching, an IF frequency range of 40 to 300 MHz, stand-by modes and runs on a supply voltage of 2.7 to 4.5-volts. Both devices ship in a P-TSSOP-28 package. The new CDMA chips are available now in sample quantities. Volume shipments are expected to be available in the third quarter of 1999. About Siemens Siemens Microelectronics, Inc. (SMI), based in Cupertino, Calif., develops and manufactures semiconductors, optoelectronics and passive components for the communications, automotive and computer peripherals industries. SMI offers one of the broadest product portfolios in the microelectronics industry, and is a market leader in communications ICs, smart power products, embedded DRAM technology and custom optoelectronics. A subsidiary of Siemens Corporation, based in New York, SMI is affiliated with Siemens AG Semiconductor Group and Passive Components Group, Munich, Germany. Additional information is available at smi.siemens.com. Contact: Siemens Microelectronics, Inc. Anita Giani, 408/777-4546 anita.giani@smi.siemens.com Related News Categories: computers, telecom