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| Product Brief March 2001 W7020 Radio Module Features + Description The W7020 radio module is a short-range microwavefrequency radio transceiver for Bluetooth links. It operates in the globally available 2.4 GHz to 2.5 GHz ISM band. The radio is based on a bipolar complementary metal-oxide semiconductor (BiCMOS) RF integrated circuit. The antenna filter and the RX and TX baluns are all integrated into the radio subsystem (see Figure 1). As illustrated in Figure 2, the radio module requires only an external antenna connected through a 50 characteristic impedance line and a 13 MHz crystal or reference clock signal to enable Bluetooth radio communication links. It interfaces to a baseband controller through the serial interface bus and separate strobe signals to create a complete Bluetooth hardware solution. Complete RF solution, compliant with Bluetooth* specification version 1.0B Highly integrated module including RF transceiver IC, antenna filter, and transmit/receive baluns 0 dBm, typical, output power at 50 2.7 V operation enabling long battery life 3.2 kHz low-power, idle-mode clock Digital receive signal strength indicator (RSSI) Small-outline module ceramic land grid array (MCLGA) package (9.7 mm x 14.0 mm x 1.6 mm) Evaluation kit available, including W7020 evaluation board, USB transceiver interface board, and PC control software + + + + + + + RX BALUN LNA 2402 MHz--2495 MHz 0 dBm/-78 dBm ANTENNA FILTER ANTENNA 90 135 LIMITER 45 RECEIVER DATA OUT DISCRIMINATOR SWITCH Radio ASIC TX AMPLIFIER VCO BUFFER 13 MHz CLOCK GENERATION 1 MHz 3.2 kHz TX BALUN GLPF W7020 RADIO SUBSYSTEM TANK INTEGER N PLL LPF 13 MHz XTAL EXTERNAL TO MODULE TRANSMITTER DATA IN UNLOCK PLL Figure 1. Circuit Block Diagram *Bluetooth is a trademark of Telefonaktiebolaget LM Ericsson. W7020 Radio Module Product Brief March 2001 Description (continued) ANTENNA BASEBAND INTERFACE 17 CLOCK CONTROL OUTPUTS 34 2 SYS_CLK (13 MHz) TX_CLK (1 MHz) LPO_CLK (3.2 kHz) SERIAL INTERFACE POWER SUPPLIES VCC SUPPLY REGULATOR VCC-VCO 13 MHz REFERENCE CLOCK XO_N 100 pf 8 7 11 20 31 25 27 26 SI_CLK (4 MHz) SI_CDI (DATA) SI_CMS (MODE SELECT) SI_CDO (DATA OUTPUT) STROBE INPUTS SYS_CLK_REQ SYNT_ON PHD_OFF TX_ON RX_ON PX_ON DATA INTERFACE BASEBAND IC XO_P 29 W7020 RADIO SUBSYSTEM 33 24 21 3 5 32 22 4 TX_DATA RX_DATA RESET SIGNALS GND 1, 6, 10, 13, 14, 15, 16, 18, 19, 23, 28 30 POR (DELAYED RESET) POR_EXT HOST CONTROLLER 9 Figure 2. System Connections For additional information, contact your Account Manager or the following: http://www.agere.com INTERNET: docmaster@micro.lucent.com E-MAIL: N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-533-2448, FAX 610-712-4106) ASIA PACIFIC: Agere Systems Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 778-8833, FAX (65) 777-7495 CHINA: Agere Systems (Shanghai) Co., Ltd., 33/F Jin Mao Tower, 88 Century Boulevard Pudong, Shanghai 200121 PRC Tel. (86) 21 50471212, FAX (86) 21 50472266 JAPAN: Agere Systems Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 3-5421-1600, FAX (81) 3-5421-1700 EUROPE: For data requests: DATALINE: Tel. (44) 7000 582 368, FAX (44) 1189 328 148 For technical inquiries: GERMANY: (49) 89 95086 0 (Munich), UNITED KINGDOM: (44) 1344 865 900 (Ascot), FRANCE: (33) 1 40 83 68 00 (Paris), SWEDEN: (46) 8 594 607 00 (Stockholm), FINLAND: (356) 9 3507670 (Helsinki), ITALY: (39) 02 6608131 (Milan), SPAIN: (34) 1 807 1441 (Madrid) Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. Copyrlght (c) 2001 Agere Systems Inc. All Rights Reserved Printed in U.S.A. March 2001 PB01-079WBLU (replaces PB01-026WBLU) |
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