Datasheet > W3030

W3030

更新时间： 2022-11-25 19:47:40

品牌	Logo	应用领域
杰尔 - AGERE		接收机蜂窝
页数	文件大小	规格书
22页	426K
描述
W3030 3 V Dual-Mode IF Cellular Receiver

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W3030 数据手册

Data Sheet

April 1999

W3030 3 V Dual-Mode IF Cellular Receiver

n Low supply current

Features

n Analog received signal strength indicator (RSSI)

n Proven double conversion architecture:

¾ First IF capability: 10 MHz to over 1000

MHz

available

n Analog AGC for digital-mode IF amplifiers

n Over 100 dB combined voltage gain

¾ Second IF capability: 0.2 MHz to 2.0 MHz

n Dual second IF amplifiers and demodulators:

Analog-mode limiting amplifier and FM

quadrature detector

Applications

Digital-mode linear AGC amplifiers with

dual-mixer I & Q quadrature demodulator

n IS-136 (North American dual-mode) cellular

radio portable and mobile terminals

n Accurate, onboard local oscillator phase splitter

n Cellular radio base stations

n Digital satellite communications

n Multisymbol signaling receivers

for digital quadrature demodulator

n Four enable/powerdown modes, selectable from

two digital control pins, allow operation with

minimal supply current

DIGITAL SECTION

VCC

GND

ENBA

ENBD

VCM

AGC

CLK

¸ 4

LOGIC AND

BIAS

CONTROL

VARIABLE GAIN

ANALOG SECTION

IF INPUT

AUDIO

RSSI

Figure 1. General Block Diagram

12 3 4 5 6 7...22

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