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BA3423S - Double cassette tape recorder system preamplifier

Datasheet Summary

Description

BA3423S 253 Audio ICs FInput / output circuits BA3423S 254 Audio ICs BA3423S 255 Audio ICs BA3423S 256 Audio ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 5.5V, f = 1kHz, RG = 680Ω, Tape input =

66dB, Mic.

50dB, and AUX input = 23dB)

Features

  • 1) Built-in switch for playback equalizer amplifier for the A and B mechanisms. 2) Built-in normal / high-speed equalizer switch for the playback equalizer amplifier. 3) The B mechanism input is also used as the recording output, so a switch is not required. 4) Built-in tape / radio input switch, and microphone mixing. 5) The microphone amplifier is used as the mixing amplifier, and the line can be muted to allow the built-in microphone to be used for recording. FAbsolute maximum ratings (Ta = 2.

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Datasheet Details

Part number BA3423S
Manufacturer ROHM
File Size 417.32 KB
Description Double cassette tape recorder system preamplifier
Datasheet download datasheet BA3423S Datasheet
Additional preview pages of the BA3423S datasheet.

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Full PDF Text Transcription

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Audio ICs Double cassette tape recorder system preamplifier BA3423S The BA3423S is a record / playback system preamplifier for radio cassette decks. With four control pins it allows switching between I / O for the A (play only) and B (record and play) mechanisms, input for tape, radio, and microphone, on and off switching for line out and recording output, and equalizer switching for normal and high-speed dubbing. It requires about half the number of external components of its predecessors which means simplified assembly and overall cost savings. FApplications Dual-cassette radio cassette players. FFeatures 1) Built-in switch for playback equalizer amplifier for the A and B mechanisms. 2) Built-in normal / high-speed equalizer switch for the playback equalizer amplifier.
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