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ML2721 Datasheet(PDF) 2 Page - Micro Linear Corporation |
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ML2721 Datasheet(HTML) 2 Page - Micro Linear Corporation |
2 / 2 page Micro Linear makes no representations or warranties with respect to the accuracy, utility, or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. No license, express or implied, by estoppel or otherwise, to any patents or other intellectual property rights is granted by this document. The circuits contained in this document are offered as possible applications only. Particular uses or applications may invalidate some of the specifications and/or product descriptions contained herein. The customer is urged to perform its own engineering review before deciding on a particular application. Micro Linear assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Micro Linear products including liability or warranties relating to merchantability, fitness for a particular purpose, or infringement of any intellectual property right. Micro Linear products are not designed for use in medical, Micro Linear has developed a single IC radio, the ML2721. The very high level of integration absorbs all the circuits either difficult to design or those that require production alignment. Adding just an external RF switch makes a complete radio with a digital control interface. On receive, the input is RF, the output is demodulated data. All the LO circuits are integrated, including the VCO tank circuit which Micro Linear tunes in production. For transmit, the chip is digital data in and modulated RF out. To ensure proper functionality in products, all the DC regulation and power management functions are integrated into the ML2721. This chip can be used for 900MHz ISM band applications, as either a 1.1Mbps to 1.6Mbps FSK radio, or a 1.1Mcps direct sequence radio. To extend the radio range, the ML2751 integrates a 100mW PA and a 18dB gain LNA. The ML2751 PA/LNA can implement front-end solutions for many communications products using TDD/TDMA (half duplex radios) in the 600MHz to 1 GHz range and for transmitter powers up to 100mW at 3.0V. CORPORATE HEADQUARTERS WESTERN UNITED STATES Micro Linear Corporation 2092 Concourse Drive San Jose, CA 95131 Tel: (408) 433-5200 Fax: (408) 432-1627 http//www.microlinear.com CENTRAL UNITED STATES Micro Linear Corporation 59 Cardinal Street Pearl River, NY 10965 Tel: (914) 735-5848 Fax: (914) 735-5852 EASTERN UNITED STATES Micro Linear Corporation 35 Pinehurst Avenue Nashua, NH 03062 Tel: (603) 888-1326 Fax: (603) 888-4239 EUROPE Micro Linear Corporation Babraham Road Sawston, Cambridge CB2 4LJ, UK Tel: 44-1223-839534 Fax: 44-1223-836761 ASIA Micro Linear Corporation #705 2-8-12 Mita Minato-ku, Tokyo 108-0073 Tel/Fax: +81-3-5439-6256 ML2731 ML2751 RF PIN DIODE SWITCH ANTENNA PIN DIODE DRIVERS PA & DRIVER 902 - 928 MHz FILTER Tx RF BUFFER LNA IF CIRCUITS Tx DATA FILTER BATTERY WATCH AND OSCILLATOR XTAL KEYPAD DISPLAY MIC SPEAKER RINGER FILTER ALIGN PLL CONTROL LOGIC LOOP FILTER VTUNE QUADRATURE DIVIDED BY 2 BASEBAND IC MODEM CODEC PROTOCOL MMI CONTROL MEMORY Block Diagram © 2000 Micro Linear Corporation. All Rights Reserved. 10k 0200 PB2721-01 900MHz DSSS RF to Digital Transceiver Chipset |
Número de pieza similar - ML2721 |
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Descripción similar - ML2721 |
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