AN3479 Panasonic Semiconductor, AN3479 Datasheet - Page 10

• Manufacturer Part Number: AN3479
• Description: VCR SignalLuminance/ Chroma and Normal Audio Signals Processing IC
• Manufacturer: Panasonic Semiconductor

10
AN3389SB
Pin No.
Pin Descriptions (cont.)
31
32
32
33
34
PLUS DCFB
AGC OUT
PB Rec SW
Rec IN
AGC IN
AGC Det.
Pin name
DC voltage (V
recording
playback
playback
3.6V for
2.2V for
3.1V for
3V
CC
=5V)
(For playback)
0.1 F
100
32
Equivalent circuit
6k
100
5k
50k
31
34
200
200
400
32
0.1 F
33
AGC amplifier detection. Connect-
ed to an external capacitor
Connecting to an external capacitor
for recording amplifier DC voltage
feedback for the recording mode.
AGC amplifier output as well as
playback/recording mode selection
control. Recording mode is selected
when this pin is low.
AGC amplifier input
Recording signal input
Description
ICs for VCR