NJM2259 JRC, NJM2259 Datasheet

no-image

NJM2259

Manufacturer Part Number
NJM2259
Description
Modulation / DMP16
Manufacturer
JRC
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
NJM2259
Manufacturer:
JRC
Quantity:
20 000
Part Number:
NJM2259M
Manufacturer:
JRC
Quantity:
20 000
Part Number:
NJM2259M-TE1
Manufacturer:
LT
Quantity:
45
www.DataSheet4U.com
band RF modulator and consists of video clamp circuit, white clip
circuit, video AM modulator and audio FM modulator, built into one
chip.
The NJM2259 is a RF modulator IC especially designed for UHF
DESCRIPTION
FEATURES
BLOCK DIAGRAM
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
16
1
RF Modulator for UHF Band
15
2
SUBCARRIER
MODULATOR
AUDIO
LPF
14
3
13
RF OSCILLATOR
REGULATOR
4
12
5
CLAMP
VIDEO
WHITE
CLIP
11
6
REGULATOR
PACKAGE OUTLINE
10
7
NJM2259M
MIXER
RF
9
8
NJM2259
- 1 -

Related parts for NJM2259

NJM2259 Summary of contents

Page 1

... RF Modulator for UHF Band DESCRIPTION The NJM2259 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 • ...

Page 2

... NJM2259 www.DataSheet4U.com ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Power Dissipation Input Voltage Operating Temperature Range Storage Temperature Range RECOMMENDED OPERATING VOLTAGE RANGE Parameter Operating Voltage ELECTRICAL CHARACTERISTICS Parameter Operating Current No video/audio input signal Video Output Level Video input Signal (Pin11)=0.5V (Note 1) Video Modulation Depth Video input Signal (Pin11)=0 ...

Page 3

... TEST CIRCUIT AUDIO IN 68p 100p 22p VIDEO 50k RF OUT 100p 100p 22p 50k VCO NJM2259 VCC - 3 - ...

Page 4

... NJM2259 www.DataSheet4U.com TERMINAL CHARACTERISTICS No. Symbol Voltage (V) 1 GND 3 2 GND 2 3 OSC B1 4 OSC E1 5 OSC E2 6 OSC B2 7 VCC 2 8 VCC OUT 10 GND 1 11 VIDEO Typ. DC Equivalent Circuit - - 2.55 1.75 1.75 2. 3.95 - 1.70 Function GND for RF OSC AMP GND for RF OSC RF Oscillator RF OSC Regulator ...

Page 5

... No. Symbol Voltage (V) 12 VCC 1 TANK P/S Adj. TANK TANK 2 15 TANK 1 16 AUDIO IN Typ. DC Equivalent Circuit - 3. 2.85 - NJM2259 Function Power Supply Picture-to-sound Ratio Adjust Sound FM Modulation Circuit Audio Signal Input - 5 - ...

Page 6

... NJM2259 www.DataSheet4U.com TYPICAL CHARACTERISTICS T =25°C A ICC vs VCC 4.0 4.5 5.0 VIDEO MODULATION DEPTH vs VCC 4.0 4.5 5 5.5 6.0 6.5 7.0 VCC [ V ] 5.5 6.0 6.5 7.0 VCC [ V ] VIDEO OUTPUT LEVEL vs VCC 4.0 4.5 5.0 5.5 6.0 VCC [ V ] AUDIO FM MODULATION DEPTH vs VCC 125 120 115 110 105 100 95 90 ...

Page 7

... OUTLINE DRAWING DMP16 NJM2259 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights ...

Related keywords