■ Block Diagrams (AN2145NFHP,AN2146FHP)
ATT
ATT
1H DL
1H DL
1H DL
1H DL
GAIN Cont.
GAIN Cont.
10kΩ 10kΩ
5.6kΩ×4
typ.
500mV
YE
CY
1.8V
1.8V
22kΩ×4
typ.500mV
CY+G
GAIN
typ.
VREF
YE+G
GAIN
typ.
VREF
1.8V
YE1 GAIN
typ. 2.0V
BWB
typ.
VREF
RWB
typ.
VREF
30kΩ
N
1.0µF
0.1µF
0.1µF
CYOIN YE+MG CY+G CY2IN
0.1µF
0.1µF
YE+G
CY+MG
2.4V
±700mV
VAPTEST YEOUT CYOUT VAPOUT YEDIN
YE2IN
48
YE1IN
60
59
58
57
56
55
54
53
52
51
50
49
47
46
45
44
43
42
41
VCC
4.6V
VREF
1.8V
SP2
0.8V
157ns
typ.500mV
typ.500mV
2.0V
2.0V
SP1
YE1OUT
CY1OUT
0.8V
GAIN
CONT
40
39
38
61
62
63
64
65
+
157ns
0.1µF
GAIN
CONT
33µF
CLAMP
(CPOB)
BLK
(P.BLK)
CAGC
CONT
S/H
S/H
LPF
R WB
+
–
+
CY1
GAIN
3.3kΩ
3.3kΩ
330kΩ
(–3dB at 1MHz)
–
typ.
2.0V
typ.
300mV
+
GAIN
CONT
CLAMP
(CPOB)
BLK
(P.BLK)
CY+G
GAIN
CAGC
CONT
CAGC
LPF
CT1 IN
37
1.8V
(–3dB at 1MHz)
C
1.0µF
N
typ.500mV
CDS
SIG
CLAMP
(CPOB)
BLK
(P.BLK)
B WB
GAIN
CONT
VCC
4.6V
CLAMP
H1GH
CUT
36
35
34
33
32
31
30
29
YAGC
(CP2)
0.1µF
YAGC
CONT
3.3kΩ
+
–
FH/2
+
–
FH/2
CONT
CLAMP
(CPOB)
BLK
(P.BLK)
YE+G
GAIN
+
66
67
68
69
70
71
YAGC
CONT
1.0V
HC
CONT
330kΩ
3.3kΩ
DRIVE
IN
PULSE
SEPA
typ.
3.3V
CPOB
P BLK
2.5V
1.0V
+
Y
FH/2
LOW
(
)
CPOB PBLK
0.1µF
1IPF
1IPF
GAMMA
GAMMA
33µF
–
+
BG OUT
1.85V
Det.
LPF
+
YAGC
OUT
B–Y
MAT
22kΩ
1.5V
(–3dB at 1MHz)
CLAMP
(CPOB)
BLK
(P BLK)
9dB
Amp.
typ.500mV
GAMMA
typ.
VREF
GAM IN
0.1µF
typ.
±500mV
RG OUT
KNEE
typ. Opes
DC
R–Y
MAT
DCCONT
(CP2)
CONT
OR
GAMMA
CONT
(CP2)
typ.
VREF
1.85V
Y IN
typ.
±500mV
0.047µF
YDC
CONT
R–Y
Amp.
BLK
(CBLB)
CLAMP
(CPOB)
CLANP
(CP2)
γ.HC
1.8V
VREF
FADE
LPF
72
EDGE
HICLIP
±890mV
0.1µF
HIGH
CUT
(–3dB at 1MHz)
SSG
IN
2.5V
1.0V
CT2
CBLK
GAD4
CONT
PULSE
SEPA
28 T.OUT
73
PED
BLK
1.0V
(CBLK)
CP3 CBLK
typ.
27
26
74
BDC
CONT
GAD4
CONT
CLAMP
(CPOB)
600mVP–P
0.047µF
1.8V
SYNC PED
±300mV ±50mV
VREF
HCLIP
LCLIP
GAM OUT
PED SET
typ. VREF
75
B–Y
Amp.
BLK
(CBLK)
γ.HC
CLAMP
(CPOB)
FADE
LPF
EDGE
+
(–3dB at 1MHz)
EDGE TEST
25
24
23
22
21
0.047µF
76
RDC
CONT
DCCONT
(CP2)
HIGH
CLIP
DL
2.7V
C GAM CONT
1
HIGH CLIP
typ. 2.8V
H
D
L
77
(320ns)
SUPP
CONT
GAMMA
GATE
FADE
YDDL
+
B–Y IN
2.3kΩ
78
(10ns)
B/W
(P BLK)
0.1µF
0.1µF
0.1µF
BLK
(P BLK)
DL
(90ns)
DL
B–Y OUT
3.3µF
typ.
±500mV
R–Y IN
(90ns)
79
LOWLUMI
SUPP
SUPP
CONT
2.2V
+
SUPPSET
typ. VREF
80
HAP
CLAMP
(CPOB)
FADE
CONT
BASE
CLIP
Det.
V
CC
VREF
1.8V
4.6V
1
R–Y OUT
2
3
4
5
6
7
8
9
10
11
12
13
HAP HAP
IN OUT
0.22µF
14
15
16
17
18
19
20
VAP
IN
CHROMA
OUT
IRIS
N
FADE
N
SYNC IN
DL IN
BLK
OUT
IN
OUT
0.01µF
2.2µF
30kΩ
VREF
2.2µF
2.2V
2.5V±1000mV
typ.
±500mV
B–Y
GAIN
typ.
36kΩ
±400V
1.8V±750mV
typ.
±500mV
1.8V
1.8V
CHROMA
OUT
typ.
REF 1.0V
±280V
B/W
FADE
FADE IN R–Y
typ. 3.3V GAIN
VREF
CHROMA
IN
WBLK IN
1.0V
1.8V
1.0V IRIS OUT
typ. 500mV
typ.(Black)1 (Through) typ.
1.0V VREF
V
0V
typ.
±500mV
1.5V
LPF
Y
1kΩ
1.0V
1.3V
typ. 500mV
Y
VREF
1kΩ
PANASONIC [ PANASONIC ]
