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NTE749 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit TV Video IF Amp
NTE749
Integrated Circuit
TV Video IF Amp
Features:
D High Power Gain: 46dB (Typ) f = 58MHz
D Wide AGC Range: 60dB (Min)
D Low Reverse Transfer Admittance: yr ≤ –1.0µ (Typ)
D Nearly Constant Input and Output Admittance over AGC Range
D Control Signal Available for Delayed Forward AGC of Tuner
D Control Signal Available for Delayed of FET Tuner
D Either Positive or Negative Going Video Signals
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Output Voltage, V7, V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Input Voltage, V1, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Vp–p
AGC Input Voltage, V6, V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Gate Input Voltage, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10, –20V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derated Above TA = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/°C
Min. Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4kΩ
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
ICC
Output Current
IOUT
Power Dissipation
PD
– 27 31 mA
– 5.7 – mA
– 324 372 mW
Power Gain
Noise Figure
Maximum Output Voltage
Gp f = 58MHz
NF f = 58MHz,Rg = 50Ω
VOM 0dB AGC
42 46
– 8.5
350 –
– dB
– dB
– mVrms
–30dB AGC
200 – –