NTE1266
Integrated Circuit
Color AGC Circuit for VCR
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage (V
2鈥?2
), V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Supply Current, I
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.5mA
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperatue Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +150擄C
Electrical Characteristics:
(V
CC
= 12V, T
A
= +25擄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鈥?2
V
O(AGC1)
V
CHROMA
= 225mV
P鈥揚(yáng)
(0dB)
V
O(AGC2)
鈥?0dB
V
O(AGC3)
+6dB
V
(Burst)
SC
G
KILLER
K
gate
V
1
Sawtooth 3V
P鈥揚(yáng)
, f = 10kHz
V
3
= 133mV
rms
, V
5
= 52mV
rms
V
9鈥?2
= 142mV
rms
DC measuring
Test Conditions
Min
鈥?/div>
218
195
225
1.3
35
1.1
1.1
Typ Max
1.85
290
260
300
1.65
45
1.4
鈥?/div>
Unit
mA
V
26.5 33.0 40.7
390 mV
P鈥揚(yáng)
348 mV
P鈥揚(yáng)
400 mV
P鈥揚(yáng)
1.9
鈥?/div>
1.7
V
dB
V
P鈥揚(yáng)
V
(DC)
1.37 1.64
1
2
