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Siemens Introduces New GaAs Mixer MMIC For Designing Either TDMA Or CDMA PCS Handsets.


CUPERTINO, Calif.--(BUSINESS WIRE)--Feb. 27, 1997--Siemens Components, Inc. today announced Model CMY210, a highly advanced GaAs MMIC (Monolithic Microwave IC) An integrated circuit used in high-frequency applications such as mobile phones. Also known as "monolithic microwave/millimeter-wave IC," MMICs combine transistors and passive devices (resistors, capacitors, etc.  that can be used for designing cellular or PCS (Personal Communications Service
    Personal Communications Service or PCS is the name for the 1900-MHz radio band used for digital mobile phone services in Canada, Mexico and the United States. Code Division Multiple Access (CDMA), GSM, and D-AMPS systems can be used on PCS frequencies.
    ) handsets based on either TDMA (Time Division Multiple Access) A satellite and cellular phone technology that interleaves multiple digital signals onto a single high-speed channel. For cellular, TDMA triples the capacity of the original analog method (FDMA).  (Time Division Multiple Access) or CDMA (Code Division Multiple Access) A method for transmitting simultaneous signals over a shared portion of the spectrum. The foremost application of CDMA is the digital cellular phone technology from QUALCOMM that operates in the 800 MHz band and 1.9 GHz PCS band.  (Code Division Multiple Access) standards.

    "The Model CMY210 functions as an up/down converter for radio frequency (RF) front-end designs. The MMIC provides an integrated LO amplifier with an LO frequency range from 0.5 to 2.5 GHz. The MMIC features low power consumption with bias voltage as low as 2.7 volts and extreme linearity performance with a typical input IP3 of +25dBm.

    "The combination of low power and a high input third order intercept point is the breakthrough designers have been looking for in their PCS and cellular RF designs," said Andreas Nitschke, product marketing manager, GaAs components, Siemens Components. "The CMY210 is the only mixer MMIC that fulfills the linearity requirements of TDMA and CDMA handsets for designers today. The market demands of the industry are driving designers to finalize their cellular and PCS circuitry immediately, no matter which standards they use. Our CMY210 provides optimum performance today."

    Siemens MMIC designers have combined their technical design experience with Siemens patented DIOM DIOM Dragons In Our Midst (book series by Bryan Davis)
    DIOM Design, Installation, Operation and Maintenance Manual
    DIOM Digital Integration Of Mortars
     (Double Implantation One Metalization) GaAs fabrication process to create the CMY210.

    The CMY210 comes in the MW6 package, a surface mount SO type package, and costs $2.50 in quantities of 100k. The device is available in high volume quantities. For more information, please call 800/77SIEMENS and ask for extension number 751, package number M99P005.

    Siemens also offers a complement of both silicon and GaAs discrete and MMIC devices for wireless applications. For example, the BFP BFP n. slang for bona fide purchaser, which means someone who purchased something (e.g. a bond, a promissory note, or jewelry) with no reason to be suspicious that it was stolen, belonged to someone else, or was subject to another party's claim. 420 SIEGET transistor or the CFY30 (GaAs FET FET: see transistor.


    (Field Effect Transistor) One of two major categories of transistor; the other is bipolar. FETs use a gate element that, when charged, creates an electromagnetic field that changes the conductivity of a silicon
    ) work with the CMY210 to provide a complementary LNA solution for the cellular and PCS receive channel.

    Siemens Components, Inc. (SCI (Scalable Coherent Interface) An IEEE standard for a high-speed bus that uses wire or fiber-optic cable. It can transfer data up to 1GBytes/sec.

    (hardware) SCI - 1. Scalable Coherent Interface.

    2. UART.
    ), with its headquarters in Cupertino, Calif., is a leading supplier of electronic components for automotive, communications, consumer electronics, data processing, smart cards, and memory applications. SCI offers a broad portfolio of electronic components ranging from communications integrated circuits to lithium niobate crystals. The company is a leader in communications products, smart power products, embedded DRAM technology, and custom optoelectronics. SCI represents the Siemens Semiconductor Group based in Munich, Germany, which had sales of approximately $3.2 billion worldwide in fiscal year 1995/96 as well as the Siemens Passive Components Group which had sales of $1.3 billion during the same period. The company's website is www.sci.siemens.com .

    CONTACT: Siemens Components, Inc.

    Anita Giani, 408/777-4546

    anita.giani@siecomp.com
    COPYRIGHT 1997 Business Wire
    No portion of this article can be reproduced without the express written permission from the copyright holder.
    Copyright 1997, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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    Publication:Business Wire
    Date:Feb 27, 1997
    Words:433
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