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MC1391P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MC1391PMOTO1060Yes

MC1391P** is a phase-locked loop (PLL) FM stereo demodulator IC manufactured by **Motorola (MOTO)**.

The MC1391P is a phase-locked loop (PLL) FM stereo demodulator IC manufactured by Motorola (MOTO).

Specifications:

  • Function: FM stereo demodulator
  • Package: 16-pin DIP (Dual In-line Package)
  • Supply Voltage (VCC): 8V to 16V (typical 12V)
  • Operating Temperature Range: -20°C to +75°C
  • Pilot Signal Frequency: 19kHz
  • Subcarrier Frequency: 38kHz
  • Low Total Harmonic Distortion (THD): Typically <0.3%
  • High Channel Separation: Typically >40dB
  • Low Power Consumption: Suitable for battery-operated devices

Descriptions:

The MC1391P is designed for FM stereo demodulation in radio receivers. It incorporates a phase-locked loop (PLL) to regenerate the 38kHz subcarrier from the 19kHz pilot tone, ensuring accurate stereo decoding. It includes an internal voltage-controlled oscillator (VCO), phase detector, and stereo decoder circuitry.

Features:

  • Integrated PLL FM Stereo Demodulator
  • Automatic Stereo/Mono Switching
  • Low External Component Count
  • Built-in LED Driver for Stereo Indicator
  • Adjustable VCO Free-Running Frequency
  • Mute Function for Weak Signal Conditions

The MC1391P was widely used in automotive and home stereo systems for reliable FM stereo decoding.

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