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TUA4306

Features: · High flexibility with an external preamplifier stage for AM and FM· Strictly symmetrical RF parts· Separate mixers for AM and FM mode· Sym. or asym. mixer inputs· Only one 2-pin-oscillator for the 1st LO; in AM mode the oscillator frequency is divided· 1st LO with LC-tank circuit· 1st ...

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SeekIC No. : 004533791 Detail

TUA4306: Features: · High flexibility with an external preamplifier stage for AM and FM· Strictly symmetrical RF parts· Separate mixers for AM and FM mode· Sym. or asym. mixer inputs· Only one 2-pin-oscillat...

TUA4306 Data Sheet

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Part Number:
TUA4306
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

· High flexibility with an external preamplifier stage for AM and FM
· Strictly symmetrical RF parts
· Separate mixers for AM and FM mode
· Sym. or asym. mixer inputs
· Only one 2-pin-oscillator for the 1st LO; in AM mode the oscillator frequency is divided
· 1st LO with LC-tank circuit
· 1st LO at 100 MHz range
· 1st LO decoupled counter output
· 1st LO decoupled divided counter output
· Improved low phase noise
· FM/AM field strength output combined
· Integrated AGC generation for PIN Diodes and MOSFETs
· High level mixer input
· High input/output 3rd order interceptpoint
· 7stage limiter amplifier
· Coincidence demodulator
· Field strength output (combined with AM)
· Fixed mute depth (with full muting typ 80dB)
· Multipath detector with analog output
· Internal reference voltage source
· Adjustment free oscillator with ceramic resonator 456 kHz
· Pilot dependent mono/stereo switching with hysteresis
· Stereo indicator output
· Analog mono/stereo blend control (stereo noise control, SNC)
· Pilot canceller (19 kHz)
· Adjacent channel noise suppression (114 kHz)
· Mute facility
· Analog deemphasis control (high cut control, HCC)
· Interference noise detector with integrated high-pass filter (IF level signal or MPX input)
· MPX-input low-pass filter
· Noise blanking at MPX -demodulator outputs- L, R audio is common to AM Mode
· 2nd mixer with force input for mixing frequency
· Output for AM IF counter
· Wide range 2nd IF AGC amplifier
· Quasi synchronous demodulator for AM mode
· Fast AM search tuning stop feature
· HCC for AM


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Limit Values
Unit
 Test Conditions
min
max
Junction temperature
TJ
-40
150
 
Storage temperature
TS
-40
125
 
Thermal resistance
RthSA
54
K/W
  
ESD-voltage, HBM
VESD
-4
+4
kV
 100pF, 1500

Ambient Temperature under bias: TA=-40 to +85


Description

The TUA4306 is a one chip car radio system consisting of AM/FM receiver, AM-Up/Down conversion, AGC amplifier / demodulator, FM-IF limiter amplifier / demodulator and stereodecoder / noiseblanker.




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