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| Datasheet File OCR Text: |
| bg pp
bg pw
c out
cs cont
c in
bias
acc f
v ref
apc f
vcxo out
t cont
vcxo in
b-y in 1
2
3
4
5
6
7
8
9
10
11
12
13
14 28
27
26
25
24
23
22
21
20
19
18
17
16
15
v cc ( + 5 v) sync
slice
fb
video
hdp
blkp
rf ref
kf
r-y out
b-y out
fsc out
ntsc/ pal
r-y in
gnd 25
27
26
1
2
5
6
4
7
11
9
10
12
21
22
24
17
23
16
14
8 video
slice
fb
bg pp
bg pw
c in
bias
cs cont
acc f
t cont
apc f
vcxo out
vcxo in
kf
kf ref
hdp
ntsc/ pal
blkp
r-y in
b-y in
v ref
sync
c out
fsc
r-y out
b-y out
28
3
18
20
19 M51271FP (1/3)
il08 ntsc/pal chroma decoder
?op view
input acc f apc f bg pp bg pw bias blkp b-y c cs cont hdp kf kf ref ntsc/ pal r-y slice t cont vcxo video v ref output b-y c fb fsc r-y sync vcxo : automatic color control filter : automatic phase control filter : burst gate pulse position : burst gate pulse width : chroma input bias capacity : blanking pulse : b-y signal : chroma signal : color saturation control : horizontal drive pulse : killer filter capacity : killer reference filter capacity : process select : r-y signal : slice level input of sync separation : tint control : variable capacitor and crystal oscillator : video input for sync separation : reference voltage : b-y signal : chroma signal : feedback capacity of sync separation : sub-carrier (180 degrees) : r-y signal : separation sync signal : variable capacitor and crystal oscillator M51271FP (2/3) M51271FP (3/3) sync sep. video 25 burst gate pulse bg pp 1 acc f 7 bg pw 2 acc detect slice 27 fb 26 first amp. c in 5 bias 6 apc f 9 apc demod. cs cont 4 t cont 11 4 fsc vcxo vcxo in 12 vcxo out 10 burst gate second amp. tint quarter 90 d 90 d 180 d kf 21 kf ref 22 id killer detect hdp 24 id pulse comp. ntsc/ pal 17 comp. r-y demod. r-y in 16 blkp 23 comp. b-y demod. b-y in 14 v ref 8 ref. voltage c out 3 fsc 18 r-y out 20 b-y out 19 90 d 270 d sync 28 |
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