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Details, datasheet, quote on part number:NJM2257M
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Datasheet text preview:
NJM2257M (1/2) IL08
AFM SYNC SEPARATOR
--TOP VIEW--
2 1 M VIDEO L M-HT VPF VR-2 MR-1 V M-VT C 6 CO-FILTER 1 VCO-FILTER 2 V SYNC FD SYNC 14 15 6 FC HD 12 A V HD CO 4 3 1
IDEO IN 1 V M 2 HM-HT 3 D OUT 4
V
G
CO OUT 5
V
16 C SYNC OUT F 15 D OUT V SYNC OUT 14 M 13 A M-VT 12
V
7 1 9 0 1 5 3
CO-FILTER 1 6
V
FC HD OUT
CO-FILTER 2 L PF
7 8
CC (+5 V)
ND 11 9 VR-2 0 R-1
V INPUT OIDEO : A UTPUT FC HD C SYNC H FD VD OCO L THER MF P MM-HT V M-VT CO-FILTER 1 VCO-FILTER 2 VR-1 R-2 V
COMPOSITE VIDEO SIGNAL
: : : : :
AFC&HD SYNC SEPARATOR FIELD DISCRIMINATION SIGNAL 1/2FH KILLER HD VCO
: : : : : :
LOW PASS FILTER HD/FD PULSE CONTROL V SYNC PULSE WIDTH MOVEMENT QUANTITY OF CERAMIC OSCILLATOR 1 MOVEMENT QUANTITY OF CERAMIC OSCILLATOR 2 AFC HD OUT PULSE WIDTH AFC HD DELAY
NJM2257M (2/2)
MM-VT VIDEO 13 1
V SYNC SEPARATOR V SYNC SEPARATOR HALF-H K ILLER V SYNC TIMING D IELD F ISCRI.
16
C SYNC
14
V SYNC
15 3
MM-HT
2
FD HD
32 FREQ. DIVISION C PHASE OMPARATOR
7
32FH V CO
4 VCO 5 VCO-FILTER 1 6 VCO-FILTER 2
AFC/HD T IMING
10 9
12
AFC HD
LPF
VR-1
VR-2
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