NTE NTE1264 Datasheet
NTE1264
Integrated Circuit
Video AGC Circuit for VCR
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (V
Supply Current, I
Power Dissipation, P
Operating Temperature Range, T
Storage Temperatue Range, T
12–4
CC
D
), V
CC
opr
stg
15.6V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
490mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
(VCC = V
Parameter Symbol Test Conditions Min Typ Max Unit
Total Circuit Current I
Video Signal Input Voltage V
AGC Output Amplitude A
AGC Control Sensitivity b
AGC Circuit Gain G
AGC Signal–to–Noise Ratio S/N
AGC Frequency Chracteristics Gf
Emphasis Gain G
Emphasis LF Gain G
AGC Distortion D
12–4
tot
11
AGC(7)Vi
AGC(7)
f = 10kHz, –10 to +5dB, V11 = 0.5V
(0dB)
AGC(7)
AGC(7)
(7)
EH
EL
AGC
f = 10kHz, Vi = 0.1V
Video Signal 0.15V
f1 = 1MHz, f2 = 5MHz, Vi = 0.1V
f1 = 10kHz, f2 = 2MHz, Vi = 0.3V
f = 10kHz, Vi = 0.3V
f = 10kHz, Vi = 0.5V
= 12V, TA = +25°C unless otherwise specified)
15 25 38 mA
2 3 4 V
= 0.5V
P–P
P–P
P–P
P–P
P–P
P–P
P–P
1.0 1.3 1.8 V
P–P
– 0.5 1.0 dB
– 22 – dB
45 50 – dB
– 0.5 – dB
7.1 8.0 8.5 dB
8 10 12 dB
– 0.5 1.5 %
P–P
Pin Connection Diagram
Bias
Bias
1
2
3
4
5
6AGC Detector Input
7
8
Video Amp Output 2
AGC Control
GND
AGC Filter
AGC Control
16 9
16
Frequency Adjust
15
Video Amp Input 1
14
Video Amp Output 1
13
White Clip Adjust
12
V
CC
Video Input
11
Preamp Output
10
Video Amp Input 2
9
.245
(6.22)
Min
.260 (6.6) Max
18
.785 (19.9) Max
.300 (7.62)
.200 (5.08)
Max
.100 (2.54)
.700 (17.7)
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