TUA4300G Infineon Technologies Corporation, TUA4300G Datasheet - Page 11

• Manufacturer Part Number: TUA4300G
• Description: One Chip Car Radio, AM/FM Receiver
• Manufacturer: Infineon Technologies Corporation

FS: 04/93
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SIEMENS AG
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HL DOK
Multipath detector rectifier capacitor
Analog multipath detector output
AM seek mode switch; AM IF counter on, 2nd mixer gain high,
AM-AGC fast and AM AF mute
AM-IF counter output for search tuning
FM limiter input
AM AGC amplifier bias decoupling capacitor
AM AGC amplifier input
AM AGC amplifier bias decoupling capacitor
2nd AM mixer outputs (open collector)
2nd AM mixer outputs (open collector)
AM AGC amplifier time constant capacitor
Oscillator input for 2nd AM mixer
2nd AM mixer bias decoupling capacitor
2nd AM mixer input
10.7 MHz IF amplifier output AM (open collector)
10.7 MHz IFamplifier output FM
AM prestage AGC buffered voltage output with fast attack, slow decay feature
FM prestage AGC current output for PIN diode
10.7 MHz IF amplifier operation point
10.7 MHz IF amplifier input AM
AM 1st local oscillator divider control for dividing by 10 for long wave and
medium wave receiving or dividing by 8 for short wave receiving
Supply voltage RF section
Ground RF section
FM mixer outputs (open collector)
FM mixer outputs (open collector)
AM mixer outputs (open collector)
AM mixer outputs (open collector)
AM prestage AGC time constant capacitor
FM prestage AGC time constant capacitor; output for MOS FET Gate 2
Ground IF and stereodecoder section
FM limiter input bias decoupling capacitor
AM 1st mixer symmetrical inputs
Oscillator input for 2nd AM mixer
V66047-S695-G100-G1
Pin Description
TUA 4300 G
IC-SPECIFICATION
12.11.96
Page 12