W7020

www.DataSheet4U.com Preliminary Data Sheet September 2000 W7020 Bluetooth* Radio Module Features + + + n n Digital receive signal strength indicator (RSSI) Small-outline module ceramic land grid array (MCLGA) package (9.7 x 14.0 x 1.6 mm) Complete Bluetooth RF solution Compliant with Bluetooth specification version 1.0 Highly integrated module including an RF transceiver IC, antenna filter, and transmit/receive baluns 0 dBm output power at 50 Ω 2.7 V operation enabling long battery life 3.2 kHz low-power idle-mode clock Applications n n n n Cellular phones PCs and peripherals PDAs Consumer appliances + + + RX BALUN LNA 90° 2402 MHz to 2495 MHz 0 dBm/–70 dBm ANTENNA FILTER 135° LIMITER S DISCRIMINATOR RECEIVER DATA OUT φ 45° ANTENNA SWITCH Radio ASIC TX AMPLIFIER VCO BUFFER 13 MHz CLOCK GENERATION 1 MHz 3.2 kHz TX BALUN GLPF INTEGER N PLL 13 MHz XTAL W7020 RADIO MODULE TANK LPF NOTE: SHADED AREA IS EXTERNAL TO MODULE TRANSMITTER DATA IN UNLOCK PLL Figure 1. Circuit Block Diagram *Bluetooth is a trademark of Telefonaktiebolaget LM Ericsson. W7020 Bluetooth Radio Module Preliminary Data Sheet September 2000 Table of Contents Features...............................................................................................................................................................1 Applications ........................................................................................................................................................