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參數資料
| 型號： | W3030 |
| 英文描述： | W3030 3 V Dual-Mode IF Cellular Receiver |
| 中文描述： | W3030 3伏雙模蜂窩接收機中頻 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 429K |
| 代理商： | W3030 |
W3030 3 V Dual-Mode IF Cellular Receiver
Data Sheet
April 1999
Features
n
Proven double conversion architecture:
First IF capability: 10 MHz to over 1000
MHz
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
Digital-mode linear AGC amplifiers with
dual-mixer I & Q quadrature demodulator
n
Accurate, onboard local oscillator phase splitter
for digital quadrature demodulator
n
Four enable/powerdown modes, selectable from
two digital control pins, allow operation with
minimal supply current
n
Low supply current
n
Analog received signal strength indicator (RSSI)
available
n
Analog AGC for digital-mode IF amplifiers
n
Over 100 dB combined voltage gain
Applications
n
IS-136 (North American dual-mode) cellular
radio portable and mobile terminals
n
Cellular radio base stations
n
Digital satellite communications
n
Multisymbol signaling receivers
V
CC
GND
ENBA
ENBD
VCM
IF INPUT
÷
4
AUDIO
DIGITAL SECTION
ANALOG SECTION
I
CLK
Q
RSSI
LO
VARIABLE GAIN
AGC
LOGIC AND
BIAS
CONTROL
Figure 1. General Block Diagram
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