NJM2259 Datasheet PDF - JRC
| Part Number | NJM2259 | |
| Description | Modulation / DMP16 | |
| Manufacturers | JRC | |
| Logo |  |
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There is a preview and NJM2259 download ( pdf file ) link at the bottom of this page. Total 7 Pages | ||
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NJM2259
RF Modulator for UHF Band
DESCRIPTION
The NJM2259 is a RF modulator IC especially designed for UHF
band RF modulator and consists of video clamp circuit, white clip
circuit, video AM modulator and audio FM modulator, built into one
chip.
FEATURES
• Operating Voltage 5V
• Picture-to-sound ratio is adjustable
• Audio ripple is decreased by two internal regulators
• Audio input circuit with low shock noise
• Carrier-off switch function on chip
• Bipolar Technology
• Package Outline : DMP16
BLOCK DIAGRAM
PACKAGE OUTLINE
NJM2259M
16 15 14 13 12 11 10
9
AUDIO
SUBCARRIER
MODULATOR
LPF
REGULATOR
VIDEO
CLAMP
WHITE
CLIP
RF
MIXER
RF OSCILLATOR
REGULATOR
12345678
-1-
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No. Symbol
12 VCC 1
13 P/S Adj.
14 TANK 2
15 TANK 1
Typ. DC
Voltage (V)
-
3.55
TANK 1: H
2.80
TANK 1: L
H : 3.60
L : 2.85
H : 3.60
L : 2.85
16 AUDIO IN
-
Equivalent Circuit
NJM2259
Function
Power Supply
Picture-to-sound
Ratio Adjust
Sound FM
Modulation Circuit
Audio Signal Input
-5-
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for NJM2259 electronic component. |
| Information | Total 7 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ NJM2259.PDF Datasheet ] | |
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