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NTE846 PDF даташит

Спецификация NTE846 изготовлена ​​​​«NTE Electronics» и имеет функцию, называемую «Integrated Circuit TV Video Modulator».

Детали детали

Номер произв NTE846
Описание Integrated Circuit TV Video Modulator
Производители NTE Electronics
логотип NTE Electronics логотип 

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NTE846 Даташит, Описание, Даташиты
NTE846
Integrated Circuit
TV Video Modulator
Description:
The NTE846 is designed to interface color difference, audio, and luminance signals to the antenna
terminals of a TV receiver. It consists of a sound subcarrier oscillator, chroma subcarrier oscillator,
quatrature chroma modulators, and RF oscillators and modulators for two low–VHF channels.
The NTE846 allows video information from VTR’s test equipment, games, or similar sources to be
displayed on black and white or color TV receivers.
Features:
D DC Channel Switching
D Excellent Oscillator Stability
D 12V to 18V Supply Operation
D Low Intermodulation Products
D 5Vp–p Chroma Reference Signal
D May Be Used to Encode Composite Video
Absolute Maximum Ratings:
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19V
(V16–V15) Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5V
(V14–V10) Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
(V14–V11) Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Power Dissipation Package (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1390mW
Chroma Osc Current I17 Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to 150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Lead Temperature (During Soldering, 10 seconds), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Note 1. For operation in ambient temperatures above 25°C, the device must be derated based on
a 150°C maximum junction temperature and a thermal resistance of 90°C/W junction to am-
bient.









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NTE846 Даташит, Описание, Даташиты
DC Electrical Characteristics: (All SW Normally Pos. 1, VA = 15V, VB = 12V unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
Sound Oscillator, Current Change
Chroma Oscillator Balance
Chroma Modulator Balance
RY Modulator Output Level
IS
I15
V17
V13
V13
Change VA from 12.5V to 17.5V
SW 3: Pos. 2,
Change SW 1 from Pos. 1 to Pos. 2
20 35 45 mA
0.3 0.6 0.9 mA
9.5 11.0 12.5 V
7.0 7.4 7.8 V
0.6 0.9 1.2 V
BY Modulator Output Level
V13
SW 3: Pos. 2,
0.6 0.9 1.2 V
Change SW 2 from Pos. 1 to Pos. 2
Chroma Modulator Conversion
Ratio
V13/V3
Divide V13 by V3, SW 3: Pos. 2, 0.45 0.70 0.95 V/V
Change SW 0 from Pos. 1 to Pos. 2,
Channel A Oscillator
OFFVoltage
V8, V9
SW 4: Pos. 2
0.5 1.5 3.0 V
Channel A Oscillator Curremt Level
Channel B Oscillator
OFFVoltage
I9
V6, V7
VB = 12V, VC = 13V
SW 4: Pos. 2
2.5 3.5 5.0 mA
0.5 1.5 3.0 V
Channel B Oscillator Curremt Level
Channel A Modulator Conversion
Ratio
Channel B Modulator Conversion
Ratio
I6 VB = 12V, VC = 13V
V11/(V13V12) SW 1, SW 2, SW 3: Pos. 2, VB = 12V,
Change VC from 13V to 11V for V11,
Divide by V13 V12
V10/(V13V12) All SW: Pos. 2, VB = 12V, Change VC
from 13V to 11V, Divide as Above
2.5 3.5 5.0
0.35 0.55 0.75
0.35 0.55 0.75
mA
V/V
V/V
AC Electrical Characteristics: (V = 15V unless otherwise specified)
Parameter
Symbol
Test Conditions
Chroma Oscillator Output Level
Sound Carrier Oscillator Level
V17 CLOAD 20pF
V15 Loaded by RC Coupling Network
Channel 3 RF Oscillator Level
V8, V9
Ch SW: Pos. 3, f = 61.25MHz,
Use FET Probe
Channel 4 RF Oscillator Level
V6, V7
Ch SW: Pos. 4, f = 67.25MHz,
Use FET Probe
Min Typ Max Unit
4 5 VPP
2 3 4 VPP
200 350 mVPP
200 350 mVPP









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NTE846 Даташит, Описание, Даташиты
Pin Connection Diagram
Chroma Lead 1
R Y Input 2
Chroma Bias 3
B Y Input 4
GND 5
Ch B Tank 6
Ch B Tank 7
Ch A Tank 8
Ch A Tank 9
18 Chroma Lag
17 Chroma OSC Output
16 Chroma Supply
15 Sound Tank
14 RF Supply
13 Chroma Subcarrier
12 Video Input
11 Ch A Output
10 Ch B Output
18 10
19
.870 (22.1) Max
.100 (2.54)
.800 (20.3)
.150
(3.8)
.250
(6.35)
.125 (3.17) Min










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