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BA1442A

Features: 1) The S curve characteristic of the FM detector can be used for upper heterodyne ( N curve) operation.2) Audio high cut and low cut can be used to improve the AM fidelity.3) A reference voltage supply is provided to ensure good frequency stability in the shortwave bands.4) Good FM st...

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BA1442A: Features: 1) The S curve characteristic of the FM detector can be used for upper heterodyne ( N curve) operation.2) Audio high cut and low cut can be used to improve the AM fidelity.3) A referenc...

BA1442A Data Sheet

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Part Number:
BA1442A
Supply Ability:
5000

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

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Product Details

Description



Features:

1) The "S" curve characteristic of the FM detector can
  be used for upper heterodyne ("N" curve) operation.
2) Audio high cut and low cut can be used to improve the AM fidelity.
3) A reference voltage supply is provided to ensure
  good frequency stability in the shortwave bands.
4) Good FM stability.
5) Built-in damping resistor (3.3kW) for the quadrature coil.
6) The FM MPX uses a Laser Locked Loop, making
  adjustment of the VCO and addition of external
  components unnecessary.
7) Built-in forced monaural function for the MPX (VCO stops, LED off).
8) VCO of the MPX is switched off during AM operation.
9) The stereo indicator pin has a constant drive current,
  and a current limiting resistor is not required.
10) Few external components required.


Application

Radio cassette players


Pinout

Connection Diagram


Specifications

Connection Diagram


Description

The BA1442A is an AM radio and FM IF stereo system IC developed for radio cassette players. The FM circuit is comprised of a differential IF amplifier, a double-balance type quadrature detector, and a PLL-type stereo MPX circuit. The AM circuit is comprised of a local oscillator, a double-balanced mixer, an IF amplifier, a detector, and an AGC circuit.




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