KA2261 FM Stereo Multiplex Decoder IC DIP-16

KA2261 FM Stereo Multiplex Decoder IC DIP-16

The KA2261 FM Stereo Multiplex Decoder IC DIP-16 is a dedicated integrated circuit designed for decoding FM stereo multiplex signals in broadcast radio receivers. It integrates all essential functions required to recover left and right audio channels from a composite FM signal, making it suitable for compact and reliable stereo receiver designs. The device supports stable stereo separation and accurate pilot tone detection, ensuring high-quality audio reproduction in consumer and professional FM applications.

Features:

• PLL-based FM stereo demodulation for accurate subcarrier regeneration.
• High channel separation of 45dB typical, adjustable with external resistor.
• Built-in VCO disable function for mono mode switching.
• Integrated monaural muting circuit to reduce noise in weak signals.
• Stereo indicator lamp driver for visual reception feedback.
• Low external component count with no coils required.
• Wide supply voltage compatibility for versatile applications.

Specifications:

Applications:

• Integration in car stereo systems for FM radio decoding.
• Portable FM radios requiring compact stereo processing.
• Cassette players with built-in FM tuners.
• Home audio receivers for high-fidelity FM broadcast.
• Vintage equipment repairs and retrofits.

Package Include:

1x KA2261 FM Stereo Multiplex Decoder IC DIP-16

Datasheet:

KA2261