TDA7511
AM/FM TUNER FOR CAR RADIO AND HIFI APPLICATIONS
FM-PART
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RF AGC GENERATION BY RF AND IF
DETECTION FOR PIN DIODES AND MOSFET
(PRESTAGE)
1
ST
MIXER FOR 1ST FM IF 10.7MHz WITH
PROGRAMMABLE IF TANK ADJUST FOR FM
AND AM UPCONVERSION
2 PROGRAMMABLE IF-GAIN STAGES
2
ND
MIXER FOR 2ND IF 450KHz
INTERNAL IF BANDPASS FILTER WITH
THREE BANDWIDTHS CONTROLLED BY ISS
(INCLUDING WEATHER BAND)
FULLY INTEGRATED FM-DEMODULATOR
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TQFP64
ORDERING NUMBER: TDA7511
MULTIPATH
QUALITY DETECTION INFORMATIONS AS
ANALOG SIGNALS EXTERNAL AVAILABLE
ISS (INTELLIGENT SELECTIVITY SYSTEM)
FOR CANCELLATION OF ADJACENT
CHANNEL AND NOISE INFLUENCES
ADJACENT CHANNEL MUTE
FULLY ELECTRONIC ALIGNMENT
ALL FUNCTIONS I
2
C-BUS CONTROLLED
ISS FILTER STATUS INFORMATION I
2
C-BUS
READABLE
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AM-PART
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WIDE AND NARROW AGC GENERATION
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PREAMPLIFIER AND MIXER FOR 1ST IF
10.7MHZ,
AM UPCONVERSION
2
ND
MIXER FOR 2ND IF 450KHZ
INTEGRATED AM-DEMODULATOR
OUTPUT FOR AM-STEREO-DECODER
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DESCRIPTION
ADDITIONAL FEATURES
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HIGH PERFORMANCE FAST PLL FOR RDS-
SYSTEM
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IF COUNTER FOR FM AND AM
UPCONVERSION WITH SEARCH STOP
SIGNAL
QUALITY DETECTOR FOR LEVEL,
DEVIATION, ADJACENT CHANNEL AND
The TDA 7511 is a high performance tuner circuit for
AM/FM car radio. It contains mixers, IF amplifiers, de-
modulators for AM and FM, quality detection, ISS fil-
ter and PLL synthesizer with IF counter on a single
chip.
Use of BICMOS technology allows the implementa-
tion of several tuning functions and a minimum of ex-
ternal components.
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November 2001
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