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TDA1220B 데이터시트(Datasheet) 1 Page - STMicroelectronics

부품명 TDA1220B
상세내용  AM-FM QUALITY RADIO
PDF  18 Pages
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제조사  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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TDA1220B
AM-FM QUALITY RADIO
The TDA1220B is a monolithic integrated circuit in
a 16-lead dual in-line package.
It is intended for quality receivers produced in large
quantities.
The functions incorporated are:
AM SECTION
– Preamplifier and double balanced mixer
– One pin local oscillator
– IF amplifier with internal AGC
– Detector and audio preamplifier
FM SECTION
– IF amplifier and limiter
– Quadrature detector
– Audio preamplifier
The TDA1220B is suitable up to 30MHz AM and for
FM bands (including 450KHz narrow band) and
features:
– Very constant characteristics (3V to 16V)
– High sensitivity and low noise
– Very low tweet
March 1993
BLOCK DIAGRAM
DIP-16 Plastic
(0.25)
ORDERING NUMBER : TDA 1220BK
– Sensitivity regulation facility (*)
– High recovered audio signal suited for stereo
decoders and radio recorders
– Very simple DC switching of AM-FM
– Low current drain
– AFC facility
(*) Maximum AM sensitivity can be reduced by means of a resistor
(5 to 12K
Ω) between pin 4 and ground.
1/18




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