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CXA1200BQ Datasheet Preview

CXA1200BQ Datasheet

VCR Brightness and Color Signal Processor

No Preview Available !

∗∗∗∗∗∗∗∗∗∗
8-mm VCR BRIGHTNESS AND COLOR SIGNAL PROCESSOR
– TOP VIEW –
52
55 Y VCC3
Y GND2
60
C GND
64 C VCC
Y VCC1 32
30
Y GND1
25
20
(VCC = +5 V)
PIN
No.
I/O
SIGNAL
PIN
No.
I/O
SIGNAL
PIN
No.
I/O
SIGNAL
1 I CF2 23 I DEEMP 45 O CCD2
2 I DOC PULSE 24 I CAR 46 — VREF
3 I PB C RF 25 O DEV 47 O CCD1
4 O PB C OUT 26 — Y GND1 48 — IR1
5 O REC C RF 27 O TC1 49 I REC V
6 I FH/2 28 O TC2 50 — Y VCC2
7 I C EMPH 29 — VG1 51 I NC TC
8 O BF 30 I SHP IN 52 I COMP
9 O TRAP1 31 O COMB 53 O SHP OUT
10 I TRAP2 32 — Y VCC1 54 I EMP
11 O VCO 33 O TCS 55 — Y VCC3
12 — L GND 34 O VREG 56 O PB V
13 I X'TAL IN 35 I
TH 57 I PB C IN
14 I RF SWP 36 — IR2 58 — Y GND2
15 O X'TAL OUT 37 I Y-YD 59 O REC Y RF
16 O FSC 38 I SHP CONT 60 I PB Y RF
17 I
CS 39 I C-CD 61 O APC ADJ
18 I
CK 40 I AGC TC 62 — C GND
19 I
SI 41 I
YD 63 O CF1
20 O CSYNC 42 I
LIM 64 — C VCC
21 O LVCC 43 O CCD3
22 O DEMOD 44 — VG2
CXA1200BQ (1/3)
IL11
57
PB C IN
3
PB C RF
60
PB Y RF
49
REC V
41
YD
37
Y-YD
39
C-CD
4
PB C OUT
56
PB V
5
REC C RF
59
REC Y RF
27
TC1
28
TC2
54 33
EMP
TCS
7
C EMPH
47
30 CCD1
SHP IN
45
38 CCD2
SHP CONT
43
CCD3
24
CAR
35 8
TH BF
10 63
TRAP2
CF1
1 31
CF2 COMB
23 16
DEEMP
FSC
2 25
DOC PULSE
DEV
42 53
LIM SHP OUT
14 20
RF SWP
CSYNC
6 22
FH/2
DEMOD
40 9
AGC TC
TRAP1
51 61
NC TC
APC ADJ
52
COMP
18 21
CK LVCC
17 11
CS VCO
19 34
SI VREG
13 15
X'TAL IN X'TAL OUT
29
VG1
44
VG2
46
VREF
48
IR1
36
IR2
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CXA1200BQ Datasheet Preview

CXA1200BQ Datasheet

VCR Brightness and Color Signal Processor

No Preview Available !

CXA1200BQ (2/3)
IL11
INPUT
AGC TC ; CONSTANT PIN (DOC AGC/CCD AGC : Y SYSTEM)
C EMPH ; CHROMA EMPHASIS BANDPASS FILTER (NTSC BPF : 3.58 MHz/PAL BPF : 4.43 MHz)
C-CD
; COMB FILTER SIGNAL (FROM CXL1501) (REC/PB)
CAR
; ADJUST Y FM MODULATION CARRIER/INPUT Y SIGNAL (REC)
CF2 ; CF1 BANDPASS FILTER (NTSC : 4.32 MHz/PAL : 5.17 MHz)
CK ; BUS DECODER/BUS CLOCK
COMP
; NOISE CANCELLER (HPF EXTERNAL TIME CONSTANT)
CS ; BUS DECODER
DEEMP
; 22PIN DEMOD OUT DC-CUT AND INPUT
DOC PULSE ; DROPOUT DETECTION
EMP
; Y SIGNAL PRE-EMPHASIS
FH/2
; APC COMPENSATION ON/OFF CONTROL
LIM ; DECOUPLING
NC TC
; NOISE CANCELLER (HPL EXTERNAL TIME CONSTANT)
PB C IN ; C SIGNAL FROM 4PIN
PB C RF ; C REFERENCE
PB Y RF ; Y REFERENCE
REC V
; COMPOSITE VIDEO SIGNAL
RF SWP ; RF SWITCH PULSE
SHP CONT ; SHARPNESS CONTROL (PB)
SHP IN
; SHARPNESS (REC/PB)
SI ; BUS DECODER/BUS SERIAL INPUT SIGNAL
TH ; THROUGH SIGNAL (FROM CXL1501) (REC/PB)
TRAP2
; TRAP1 PASSES THROUGH EXTERNAL TRAP (PB)
X'TAL IN ; OSC STANDARD (fscn : 3.58 MHz/fscp : 4.43 MHz)
YD ; CCD 1H DELAY (FROM CXL1501) (REC/PB)
Y-YD
; COMB FILTER SIGNAL (FROM CXL1501) (REC/PB)
OUTPUT
APC ADJ
BF
CCD1
CCD2
CCD3
CF1
COMB
CSYNC
DEMOD
DEV
FSC
LVCC
PB C OUT
PB V
REC C RF
REC Y RF
SHP OUT
TC1, TC2
TCS
TRAP1
VCO
VREG
X'TAL OUT
; CHECK PIN (REC : AFC ERROR VOLTAGE/PB : APC CALIBRATION)
; BURST FLAG
; CCD 1H DELAY (TO CXL1501) (CCD3 NEGATIVE PHASE) (REC)
; CCD 1H DELAY (TO CXL1501) (CCD3 NEGATIVE PHASE) (REC/PB)
; CCD 1H DELAY (TO CXL1501) (REC/PB)
; CARRIER CONVERTER
; Y SIGNAL PROCESSED COMB FILTER
; COMPOSITE SYNC SIGNAL
; FM-DEMODULATED Y SIGNAL (PB)
; ADJUST Y FM MODULATION DEVIATION/Y EMPHASIS (REC)
; CLOCK FREQUENCY (NTSC : 4fscn/PAL : 3fscn)
; VCC PIN (LOGIC CIRCUIT BLOCK)
; C SIGNAL FREQUENCY-CONVERTED/BURST-DE-EMPHASIZED
; PROCESSING Y SIGNAL/C VIDEO
; C SIGNAL (BURST-EMPHASIZED/CHROMA-EMPHASIZED/FREQUENCY-CONVERTED)
; FM-MODULATED Y SIGNAL
; SHARPNESS
; MAIN EMPHASIS (OR DE-EMPHASIS TIME CONSTANT)
; SUB-EMPHASIS (OR DE-EMPHASIS TIME CONSTANT)
; FREQUENCY-CONVERTED CHROMA SIGNAL (NTSC : 5.07 MHz/PAL : 5.90 MHz) (PB)
; 378 fHN (NTSC)
; 4.2 V REGULATOR
; OSC STANDARD (fscn : 3.58 MHz/fscp : 4.43 MHz)
OHTER
IR1, IR2
VG1, VG2
VREF
; EXTERNAL REFERENCE CURRENT
; VIRTUAL GND
; INTERNAL REFERENCE VOLTAGE SOURCE


Part Number CXA1200BQ
Description VCR Brightness and Color Signal Processor
Maker ETC
Total Page 3 Pages
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