ICs for VCR
1
AN3672NFBP
Audio signal processor IC for HiFi VCR
incorporating EIAJ sound multiplex system
n Overview
The AN3672NFBP is a HiFi audio signal processor IC
(NTSC) incorporating EIAJ sound multiplex decoder and
pre/recording amplifier. An adjustment-free sound multi-
plex decoder is realized through both of f
O
automatic
adjustment of high precision VCO by a reference signal
(f
SC
) and an SIF (4.5 MHz inter-carrier sound intermediate
frequency) signal input.
n Features
• Built-in EIAJ sound multiplex decoder
• Full adjustment-free by SIF signal input
• f
O
automatic adjustment of high precision VCO
• Built-in pre/recording amplifier
n Applications
• HiFi VCR
QFH064-P-1414A
Unit: mm
(1.00)
+0.10
– 0.050.35
0.80
116
48 33
32
17
49
64
14.0±0.3
17.2±0.4
14.0±0.3 17.2±0.4
(1.00)
2.85±0.20
0.1±0.1
1.3±0.1
1.3±0.1
Seating plane
0.10
(1.60)
0 to 10
(0.80)
0.20
+0.10 – 0.05