參數(shù)資料
型號(hào)： TUA4307
廠商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝： MQFP-80
文件頁(yè)數(shù)： 23/48頁(yè)
文件大?。?/td> 952K
代理商： TUA4307
Product Info
Product Info
Wireless Components
Specification, September 1999
Package
TUA 4307
Product Info
General Description
The TUA 4307 is a one chip car radio
system consisting of AM/FM receiver,
AM-Up/Down conversion, AGC ampli-
fier / demodulator, FM-IF limiter ampli-
fier / demodulator and stereodecoder /
noiseblanker.
Features
AM/FM-Receiver
s
Only one 2-pin-oscillator for the
1st LO; in AM mode the oscillator
frequency is divided
s
FM/AM field strength output
combined
FM-Mode
s
Integrated AGC generation for
PIN Diodes and MOSFETs
s
High input/output 3rd order
interceptpoint
FM-IF Demodulator
s
IF counter output with request
function pin
s
Station detector with S curve
criterion and adjustable field-
strength threshold (Output
combined with AM)
Stereodecoder
s
Adjustment free oscillator with
ceramic resonator 912 kHz
s
Interference noise detector with
integrated high-pass filter (IF level
signal or MPX input)
s
Noise blanking at MPX -demodula-
tor outputs- L, R audio is common
to AM Mode
AM Mode
s
2nd mixer with 10.25 MHz crystal
oscillator or external force mode for
mixing frequency
s
Output for AM stereodecoder
(CQAM)
s
Station detector with adjustable
fieldstrength threshold
(Output with FM)
Application
s
AM/FM car radio receiver with ana-
log/digital STS (search tuning stop)
Ordering Information
Type
Ordering Code
Package
TUA 4307
Q66000-S-T-xxxx
MQFP-80-1
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