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BA7797F - VCR standard audio signal processor

Description

Pin No.

Features

  • 1) Two input switching systems built-in (LINE and TUNER). 2) Built-in coil equivalent circuit for recording equalization. 3) High-performance low-noise playback amplifier. 4) ALC level can be adjusted by connection of an external resistor. 5) Compatible with single-mode EQ making it ideally suited to widely-used decks.
  • Block diagram PB IN 1 REC 18 GND REC REC HEAD SW 2 17 PB PB NFB REC OUT 3 REC AMP EQ + 28dB LINE 16 PB OUT REC L 4 0dB 15 PB LINE IN VCC 5 ALC.

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Datasheet Details

Part number BA7797F
Manufacturer ROHM
File Size 108.51 KB
Description VCR standard audio signal processor
Datasheet download datasheet BA7797F Datasheet

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Full PDF Text Transcription

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Video ICs VCR standard audio signal processor BA7797F The BA7797F is standard audio signal processor designed for use in VCRs and tape decks. The circuit is comprised of a playback preamplifier, a line amplifier, a recording amplifier, an ALC circuit and high-voltage head switch. The IC has a built-in coil equivalent circuit for recording equalization, which eliminates the need for an external component. Applications • Video cassette recorders and tape decks Features • 1) Two input switching systems built-in (LINE and TUNER). 2) Built-in coil equivalent circuit for recording equalization. 3) High-performance low-noise playback amplifier. 4) ALC level can be adjusted by connection of an external resistor. 5) Compatible with single-mode EQ making it ideally suited to widely-used decks.
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