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BA7797F Datasheet(Fiches technique) 6 Page - Rohm

Numéro de pièce BA7797F
Description  VCR standard audio signal processor
Télécharger  8 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
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 6 page
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6
Video ICs
BA7797F
Control pins
(1) REC / EE control, PB / TU / LINE control
Function
L
L
LINE
OFF
ON
LINE
OFF
L
M
TUNER
OFF
ON
TUNER
OFF
L
H
PB
OFF
ON
PB
OFF
H
L
ON
OFF
LINE
ON
H
M
ON
OFF
TUNER
ON
H
H
inhibit
————
REC / EE
PB / TU / LINE
PB HSW
REC HSW
LINE SW
REC AMP
LINE REC
TU REC
Mode
If REC / EE CTRL is set to "M", the REC pause state is possible (REC head switch: open, REC amplifier: off).
Control mode table
MUTE
H
MUTE
OPEN
L
MUTE
CLOSE
LINE SW
Mode
Control pins
Function
(2) Mute control
Application example
REC + B
LINE
ALC
0dB
BIAS
OSC
EQ
REC AMP
RL
CTRL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
REC / EE
+ 28dB
VCC
ATT
– 8dB
ATT
– 8dB
EQ CTRL
TUNER IN
PB / TU / LINE CTRL
LINE IN
MUTE CTRL
ALC LEVEL ADJ
LINE OUT
EQ CTRL
Units: R [
Ω]
C [F]
Fig.3




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