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NTE879 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE879
Description  Integrated Circuit RGB to PAL/NTSC Encoder for Color TV
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE879
Integrated Circuit
RGB to PAL/NTSC Encoder for Color TV
Description:
The NTE879 is an integrated circuit in a 20–Lead DIP type package used to generate a composite
TV signal from baseband red, blue, green, and sync inputs. This device has color subcarrier oscillator,
voltage controlled 90
° phase shifter, two DSB suppressed carrier chroma modulators, RGB input ma-
trices, and blanking level clamps. It can be operated with very few external parts, but has the pin–outs
for a fully implemented, top quality composite signal. It is ideal for encoding signals from color camer-
as and graphic generators.
Features:
D Reference Oscillator Self–Contained or Externally Driven
D Nominal 90° ±5° Axes are Optionally Trimmable
D Simple PAL/NTSC Switch
D Luminance and Chroma Channels can accept Delay Line/Bandpass Elements or Direct Con-
nection
D Provides DC Reference to Permit Direct Drive to RF Modulator
Absolute Maximum Ratings:
Supply Voltage, VCC
15V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2Vdc Regulator Output Current, IREG
10mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, PD
1.25W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°C
10mW/
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature, TJ
+150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, TA
0
° to +70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–65
° to +150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions:
Supply Voltage, VCC
12
±2V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sync Tip Level
–0.5 to +1.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sync, Blanking Level
+1.7 to +8.2V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reg, Green, Blue Inputs (Saturated)
1VP–P
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .




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