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37983

Features: · HIGH PERFORMANCE FRONT-END IC FOR AM/FM RECEIVERS· FULLY INTEGRATED HIGH-SPEED PLL FOR OPTIMIZED RDS APPLICATIONS· FM MPX/AM AUDIO OUTPUT, 450kHz AM IF OUTPUT FOR STEREO AM APPLICATIONS· AM DOUBLE CONVERSION ARCHITECTURE· AM/FM STATION DETECTOR AND DIGITAL IF-COUNTER· SINGLE FREQUENCY ...

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SeekIC No. : 004229223 Detail

37983: Features: · HIGH PERFORMANCE FRONT-END IC FOR AM/FM RECEIVERS· FULLY INTEGRATED HIGH-SPEED PLL FOR OPTIMIZED RDS APPLICATIONS· FM MPX/AM AUDIO OUTPUT, 450kHz AM IF OUTPUT FOR STEREO AM APPLICATIONS·...

37983 Data Sheet

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Part Number:
37983
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: 2024/5/16

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Product Details

Description



Features:

· HIGH PERFORMANCE FRONT-END IC FOR AM/FM RECEIVERS
· FULLY INTEGRATED HIGH-SPEED PLL FOR OPTIMIZED RDS APPLICATIONS
· FM MPX/AM AUDIO OUTPUT, 450kHz AM IF OUTPUT FOR STEREO AM APPLICATIONS
· AM DOUBLE CONVERSION ARCHITECTURE
· AM/FM STATION DETECTOR AND DIGITAL IF-COUNTER
· SINGLE FREQUENCY REFERENCE FOR BOTH AM AND FM
· FULL ELECTRICAL ADJUSTMENT
· I2C-BUS PROGRAMMABLE


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
Tamb Operating Ambient Temperaturet -40 to 85
Tstg Storage Temperature Range -55 to 150
VCC Analog Supply Voltages (PLL, RF, IF1, IF2, OSC) 10.2 V
VDD Digital Supply Voltage 5.5 V



Description

The 37983 is a high-performance tuner circuit which integrates AM and FM sections, PLL frequency sinthesizer and IF counter on a single chip.

Use of BICMOS technology allows the implementation of tuning functions with a minimum of external components.Value spread of external components can be fully compensated by means of on-chip electrical adjustment controlled by external mP.

The FM quality detection circuit, in conjunction with the digital IF counter, enables the stop-station function in "seek" mode and MPX mute during reception.

The combination of programmable level detector and IF counter allows reliable AM stop-station performance. The Automatic Gain Control (AGC) operates on different signal bandwidths in order to optimize sensitivity and dynamic range.

I2C-bus controls functions such as AGC, amplifier gains, PLL and counter settings.




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