LUCW3030ACA-DB

Data Sheet April 1999 W3030 3 V Dual-Mode IF Cellular Receiver Features n n n Low supply current Analog received signal strength indicator (RSSI) available Analog AGC for digital-mode IF amplifiers Over 100 dB combined voltage gain Proven double conversion architecture:  First IF capability: 10 MHz to over 1000 MHz  Second IF capability: 0.2 MHz to 2.0 MHz Dual second IF amplifiers and demodulators:  Analog-mode limiting amplifier and FM quadrature detector  Digital-mode linear AGC amplifiers with dual-mixer I & Q quadrature demodulator Accurate, onboard local oscillator phase splitter for digital quadrature demodulator Four enable/powerdown modes, selectable from two digital control pins, allow operation with minimal supply current n n n Applications n n IS-136 (North American dual-mode) cellular radio portable and mobile terminals Cellular radio base stations Digital satellite communications Multisymbol signaling receivers n n n n DIGITAL SECTION VCC GND ENBA ENBD VCM AGC LOGIC AND BIAS CONTROL VARIABLE GAIN ÷4 I CLK Q IF INPUT ANALOG SECTION AUDIO RSSI LO Figure 1. General Block Diagram W3030 3 V Dual-Mode IF Cellular Receiver Data Sheet April 1999 Table of Contents Features...............................................................................................................................................................1 Applications ...........................................................................................................