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BA7797F Datasheet Vcr Standard Audio Signal Processor

Manufacturer: ROHM

Overview: 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 prised 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 ponent.

Datasheet Details

Part number BA7797F
Manufacturer ROHM
File Size 108.51 KB
Description VCR standard audio signal processor
Datasheet BA7797F_Rohm.pdf

General Description

s (V Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CC = 10V) Function Playback amplifier input / playback head switch High-withstanding voltage recording head switch Recording amplifier output Recording EQ switch VCC Ripple filter REC / EE control Line amplifier output ALC level adjustment Mute control Line input PB / TU / LINE control Tuner input For se

Key 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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