NTE NTE1128 Datasheet
NTE1128
Integrated Circuit
TV Video IF Amplifier
Features:
D High Power Gain: 48dB Typ @ f = 58MHz
D AGC Operating by External DC Control Voltage
D High Gain Reduction: 60dB Min @ f = 58MHz
D Low Reverse Transfer Admittance: 1.0µmho Typ @ f = 58MHz
D Nearly Constant Input and Output Admittance Over Entire AGC Range
Absolute Maximum Ratings:
Supply Voltage (V
), V
5
CC
Output Terminal Voltage, V
Gain Control Voltage, V
3
Input Terminal Voltage, V
Power Dissipation, P
D
(TA = +25°C unless otherwise specified)
, V
6
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
2
0V to V
10V
400mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25°C 4mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Voltage (V5) V
Supply Current (I5) I
IF Input Terminal Voltage V1, V
AGC Terminal Voltage V
Output Stage Current (I6 + I7) I
AGC Range AGC f = 58MHz 60 70 – dB
opr
stg
(VCC = 12V, f = 58MHz, TA = +25°C unless otherwise specified)
CC
CC
3
OUT
2
–30dB AGC – 7.5 7.8 V
0dB AGC 6.2 6.6 – V
10.8 12.0 13.2 V
9.0 11.0 15.0 mA
– 3.3 – V
1.4 2.0 3.0 mA
–20° to +65°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
P–P
Power Gain G
Noise Figure NF RS = 50Ω, f = 58MHz – 6.0 – dB
Maximum Output Voltage V
Total Power Dissipation P
P
OM
D
f = 58MHz 4.5 4.8 – dB
V6, V7 = 15V 150 – – mV
– 180 – mW
P–P
Electrical Characteristics (Cont’d): (VCC = 12V, f = 58MHz, TA = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Input Admittance
Input Conductance
Parallel Input Capacitance c
Output Admittance
Output Conductance
Parallel Output Capacitance c
Reverse Transfer Admittance y
Forward Transfer Admittance y
g
i
ip
g
o
op
r
f
f = 50MHz – 0.8 – mmhos
– 5.0 – pF
f = 58MHz – 150 – µmhos
– 2 – pF
f = 58MHz – < 1.0 – µmhos
f = 58MHz – 130 – mmhos
.128 (3.2)
Pin Connection Diagram
(Front View)
IF Output
7
6
IF Output
V
5
4
GND
3
IF AGC Gain Control Voltage
2
IF Input
1
IF Input
.700 (17.8) Max
CC
.099
(2.5)
Min
.012 (0.25)
.323
17
(8.2)
Max
.100 (2.54)
.600 (15.24)
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