1621

NTE1621
Integrated Circuit
VCR, Rec Video Proc
Features:
D Video signal AGC circuit
D Pre−emphasis circuit
D HFM modulator
D Synchro separator
D White Dark Clip
D Keyed AGC
D Supply voltage either 9V or 12V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 630mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20 to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Item
Symbol
I20
AGC
AGC
υo(AGC−24)
Condition
VCC = 12V
VCC = 12V, Video Signal
0.5Vp−p
Min
Typ
Max
Unit
28
−
50
mA
0.45
−
1.05
VP−P
2
dB
∆υo(AGC−24) VCC = 12V, 0.25 ∼ 1.0Vp−p
Sync Sep.
S5
VCC = 12V
0.4
−
−
Vp−p
Sync Sep
S6
VCC = 12V
5.7
−
6.7
Vp−p
VCC = 12V, f = 1MHz, 0.3Vp−p
6.6
−
9.6
dB
Min
Typ
Max
Unit
4
−
−
V
11.0
−
14.0
dB
3.3
−
4.1
MHz
−40
dB
Gv21−22
Electrical Characteristics: (TA = 25°C unless otherwise specified)
Item
B/W
Symbol
S23
GV19−18
Condition
VCC = 12V
VCC = 12V, f = 1MHZ, 0.3Vp−p
FM
f09
FM
D2f9
VCC = 12V, R15 = 1.1kΩ
FM
υo9
R11 = 2.2kΩ, C = 100pF
FM
β9
1.15
−
1.65
Vp−p
1.8
−
2.3
MHZ/V
Pin Connection Diagram
Video Signal Input
1
24
E−E Output
AGC Adjust
2
23
B/W Color Select
AGC Adjust
3
22
AGC Output
AGC Filter
4
21
Color Amp Input
Clamp Input
5
20
VCC
Sync Seperator Output
6
19
Video Amp Input
GND
7
18
Video Amp Output
Sync Separator Filter
8
17
VCC (Rec)
FM Output
9
16
Clamp Input
White Clip Adjust
10
15
FM Modulator (R)
Pre−Emphasis
11
14
FM Modulator (C)
Dark Clip
12
13
FM Modulator (C)
24
13
1
12
1.300 (33.02)
Max
.520
(13.2)
.225
(5.73)
Max
.100 (2.54)
1.100 (27.94)
.126
(3.22)
Min
.600
(15.24)