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BA7745FS Datasheet(Fiches technique) 6 Page - Rohm

Numéro de pièce BA7745FS
Description  VCR Hi-Fi audio signal REC / PB amplifier with flying-erase oscillator
Télécharger  8 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
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Video ICs
BA7745FS
(2) OVER REC control
Control for OVER REC (current emphasis) is done using pin 14.
When in OVER REC mode, the gain setting is recording amplifier AGC level + 1.9dB.
H
L—
60.0mAP-P
48.2mAP-P
OVER REC
OVER REC
Mode
Function
REC AGE Level
Control pin
(4) EP / SP control
EP / SP control during playback is done using pin 9. When EP is selected, the gain of the playback amplifier is
increased by 5dB over its normal setting.
EP / SP
H
EP
Typ. + 5dB
L
SP
Typ.
Mode
Function
PRE AMP gain
Control pin
(3) REC MUTE control
Control for REC MUTE when recording is done using pin 13.
REC MUTE
H
REC MUTE
OFF
L
ON
REC AMP
Mode
Control pin
Function




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