NTE1620
Integrated Circuit
B/W TV Video IF Amplifier,
RF AGC Circuit
Description:
The NTE1620 is an integrated circuit in a 9–Lead SIP type package designed for use as a B/W TV
video IF amplifier and RF AGC circuit. Typical applications inclued low voltage operation (6V) and
small B/W TVs.
Features:
D Low Voltage Operation Video IF Circuit with Minimum Number of Peripheral Components
D A Wide Range of Gain Reduction and IF AGC
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20.5mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Total Circuit Current
Voltage Gain
Symbol
Test Conditions
Min
9.5
23
60
–
Typ Max Unit
I
tot
V
= 5.5V
13.5 17.5
mA
dB
dB
Ω
CC
G
f = 58.75MHz
f = 58.75MHz
28
–
32
–
V
AGC Range
H
AGC
Input Resistance
Input Capacitance
R
C
f = 58.75MHz, v = 30mV
rms
900
5.5
3.0
545
9.5
100
4.4
–
–
i
i
–
–
pF
pF
mS
dB
i
Output Capacitance
Transfer Admittance
Noise Figure
C
o
–
–
|Y |
21
f = 58.75MHz
–
–
NF
–
–
Voltage Gain (RF AGC)
Upper Voltage (RF AGC)
Lower Voltage (RF AGC)
G
87
4.0
–
113 times
V
=
,
V
V
V
V
5.5V V = 100mV
4.8
0.1
V
V
(Upper)
(Lower)
CC
4
= 5.5V, V = 100mV
CC
4