NTE1492
Integrated Circuit
TV Video IF Amp
Features:
D Particularly useful in B/W TV’s with bipolar tuners
D Low external parts count
D Designed to operate at VCC down to 6.5V
D Video output level stabilized, independent of supply voltage and ambient temperature
Functions:
D Picture IF Amplifier
D Video Detector
D AGC Detector
D Noise Canceller
D Forward AGC
D Sync. Separator
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (Note 1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Max. Input Voltage, VINmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Vp−p
Video Output Current, I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA
Max. Applicable Voltage
Pins 3 & 4, V3, V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC
Pin 6, V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.3V
Power Dissipation (TA = 60°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C
Note 1. Value at t ≤ 60sec. min.
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
m = 87.5%
V = 10 V , m = 87.5%
Min
Typ Max Unit
42 47 dBμ
Input Sensitivity
V
i(sens)
37
Video Output Voltage
Min. RF AGC Voltage
Max. RF AGC Voltage
Sync. Separated Output
Video Band Width
V
out
0.95 1.21 1.47
V
p−p
in
m
rms
V
3min
V = 0
in
1.6
6.0
9.0
−13
1.8
7.0
2.0
8.0
−
V
V
V
3max
Pin 4 to GND
V
11
Vertical Sync. Pulse
10.3
−6
V
G
W
V
out
= {f = 6MHz}/V {f = 100kHz}
−1
dB
V
out
Sync. Tip Voltage
V
sync
V = 10 V
in m rms
4.64 5.14 5.64
33 41 53
Supply Current
I
V = 0
in
mA
CC