NTE1266
Integrated Circuit
Color AGC Circuit for VCR
Absolute Maximum Ratings:
(T
A
= +25°C unless otherwise specified)
Supply Voltage (V
2–12
), V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Supply Current, I
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.5mA
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperatue Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics:
(V
CC
= 12V, T
A
= +25°C unless otherwise specified)
Parameter
Total Circuit Current
Input Bias Voltage
AGC Amp Output Voltage
AGC Characteristics
Burst Gate Level
BM Carrier Suppression
Killer Amp Output Voltage
Killer Operation Level
Symbol
I
tot
V
13–12
V
O(AGC1)
V
CHROMA
= 225mV
P–P
(0dB)
V
O(AGC2)
–20dB
V
O(AGC3)
+6dB
V
(Burst)
SC
G
KILLER
K
gate
V
1
Sawtooth 3V
P–P
, f = 10kHz
V
3
= 133mV
rms
, V
5
= 52mV
rms
V
9–12
= 142mV
rms
DC measuring
Test Conditions
Min
–
218
195
225
1.3
35
1.1
1.1
Typ Max
1.85
290
260
300
1.65
45
1.4
–
Unit
mA
V
26.5 33.0 40.7
390 mV
P–P
348 mV
P–P
400 mV
P–P
1.9
–
1.7
V
dB
V
P–P
V
(DC)
1.37 1.64
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