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 |
2 Pages
No Preview Available ! |
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
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 = 50Ω
VOM 0dB AGC
42 46
– 8.5
350 –
– dB
– dB
– mVrms
–30dB AGC
200 – –
No Preview Available ! |
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
RF–AGC
V12(Max)
– 8.2 –
V
V12(Min)
– 0.2 –
Power Gain Variations
Input Admittance
∆GP RF–AGC At Operating Range – 10 – dB
gi f = 58MHz
– 0.8 – mΩ
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 – mΩ
– –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
Скачать PDF:
[ NTE749.PDF Даташит ]
Номер в каталоге | Описание | Производители |
NTE7400 | (NTE74xx) Transistor Logic | NTE Electronics |
NTE7401 | (NTE74xx) Transistor Logic | NTE Electronics |
NTE7404 | TTL-Hex Inverter | NTE |
NTE7406 | Hex Inverter Buffer / Driver | NTE Electronics |
Номер в каталоге | Описание | Производители |
TL431 | 100 мА, регулируемый прецизионный шунтирующий регулятор |
Unisonic Technologies |
IRF840 | 8 А, 500 В, N-канальный МОП-транзистор |
Vishay |
LM317 | Линейный стабилизатор напряжения, 1,5 А |
STMicroelectronics |
DataSheet26.com | 2020 | Контакты | Поиск |