NTE NTE1128

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: (TA = +25°C unless otherwise specified)
Supply Voltage (V5), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Output Terminal Voltage, V6, V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Gain Control Voltage, V3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to VCC
Input Terminal Voltage, V1, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10VP–P
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4mW/°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (VCC = 12V, f = 58MHz, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage (V5)
VCC
10.8
12.0
13.2
V
Supply Current (I5)
ICC
9.0
11.0
15.0
mA
V1, V2
–
3.3
–
V
–
7.5
7.8
V
6.2
6.6
–
V
1.4
2.0
3.0
mA
IF Input Terminal Voltage
AGC Terminal Voltage
V3
–30dB AGC
0dB AGC
Output Stage Current (I6 + I7)
IOUT
AGC Range
AGC
f = 58MHz
60
70
–
dB
Power Gain
GP
f = 58MHz
4.5
4.8
–
dB
Noise Figure
NF
RS = 50Ω, f = 58MHz
–
6.0
–
dB
Maximum Output Voltage
VOM
V6, V7 = 15V
150
–
–
mVP–P
–
180
–
mW
Total Power Dissipation
PD
Electrical Characteristics (Cont’d): (VCC = 12V, f = 58MHz, TA = +25°C unless otherwise specified)
Parameter
Symbol
Input Admittance
Input Conductance
gi
Parallel Input Capacitance
Output Admittance
Output Conductance
f = 50MHz
cip
go
Parallel Output Capacitance
Test Conditions
f = 58MHz
cop
Min
Typ
Max
Unit
–
0.8
–
mmhos
–
5.0
–
pF
–
150
–
µmhos
–
2
–
pF
Reverse Transfer Admittance
yr
f = 58MHz
–
< 1.0
–
µmhos
Forward Transfer Admittance
yf
f = 58MHz
–
130
–
mmhos
Pin Connection Diagram
(Front View)
7
IF Output
6
IF Output
5 VCC
.128 (3.2)
.099
(2.5)
Min
.012 (0.25)
4
GND
3
IF AGC Gain Control Voltage
2
IF Input
1
IF Input
.700 (17.8) Max
1
7
.100 (2.54)
.600 (15.24)
.323
(8.2)
Max