TUA4300G Infineon Technologies Corporation, TUA4300G Datasheet - Page 12

• 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
AM 1st mixer symmetrical inputs
FM 1st mixer symmetrical inputs
FM 1st mixer symmetrical inputs
Reference voltage RF section (4.8 V)
1st local AM/FM oscillator circuit
1st local AM/FM oscillator circuit
1st local oscillator divided by 8/10 counter output (disabled in FM mode)
1st local oscillator counter output
2nd AM mixer AGC time constant capacitor
Timing capacitor for Noisedetector monoflop (gate time)
AM/FM mode control; low voltage activates AM section
and disables stereodecoder VCO, Phase detector, Pilot detector, SNC and FM section
Hold capacitor for Noise detector average level
low voltage applied mutes the stereo decoder outputs
HCC timing / hold capacitor, deemphasis right
HCC timing / hold capacitor, deemphasis left
Control voltage HCC (high cut control)
Control voltage SNC (stereo noise control)
Pilot detector capacitor, low voltage activates mono state
VCO pin for ceramic resonator
Reference current pin, external reference resistor
Demodulator circuit FM
Demodulator circuit FM
Auxiliary multipath detector input (in parallel to internal connection)
AF output left
AF output right
Pilot indicator output, active high (open collector)
Stereo decoder MPX signal input
Stereo decoder PLL phasedetector, loop filter
Noise detector input
FM MPX signal and AM demodulator signal output
Dynamic FM mute control blocking capacitor
Supply voltage IF and stereodecoder section
AM/FM fieldstrength combined output
V66047-S695-G100-G1
Pin Description
TUA 4300 G
IC-SPECIFICATION
12.11.96
Page 13