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NTE749 PDF даташит

Спецификация NTE749 изготовлена ​​​​«NTE Electronics» и имеет функцию, называемую «Integrated Circuit TV Video IF Amp».

Детали детали

Номер произв NTE749
Описание Integrated Circuit TV Video IF Amp
Производители NTE Electronics
логотип NTE Electronics логотип 

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NTE749 Даташит, Описание, Даташиты
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4k
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
Output Current
Power Dissipation
ICC
IOUT
PD
– 27 31 mA
– 5.7 – mA
– 324 372 mW
Power Gain
Noise Figure
Maximum Output Voltage
Gp f = 58MHz
NF f = 58MHz,Rg = 50
VOM 0dB AGC
42 46
– 8.5
350 –
– dB
– dB
– mVrms
–30dB AGC
200 – –









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NTE749 Даташит, Описание, Даташиты
Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
AGC AGC Range
AGC
60 – – dB
RFAGC
V12(Max)
8.2
V
V12(Min)
0.2
Power Gain Variations
Input Admittance
GP RFAGC At Operating Range 10 dB
gi f = 58MHz
0.8 m
Input Acceptance
Output Admittance
bi
go f = 58MHz
3.4
155
µΩ
Output Acceptance
bo
850
Forward Transfer Admittance
yf f = 58MHz 0dB AGC
220 m
– –135 deg
Phase Angle of Forward Transfer
Admittance
<yf 30dB AGC
– –95 deg
Reverse Transfer Admittance
yr f = 58MHz
<1.0 µΩ
Pin Connection Diagram
IF Input 1
Bypass 2
GND 3
GND 4
Keyer Pulse 5
Video & Ref DC Inputs 6
IF Output 7
14 IF AGC Filter
13 RF AGC Delay Voltage
12 RF AGC Output
11 VCC
10 Video & Ref DC Inputs
9 AGC Storage Capacitor
8 IF Output
14 8
17
.785 (19.95)
Max
.200 (5.08)
Max
.300
(7.62)
.100 (2.45)
.600 (15.24)
.099 (2.5) Min










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