KA2140B Samsung, KA2140B Datasheet

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KA2140B

Manufacturer Part Number
KA2140B
Description
R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
Manufacturer
Samsung
Datasheet
R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
KA2140B
R/G/B VIDEO AMPLIFIER
28-DIP-600A
The KA2140B is a very high frequency video amplifier system
with an OSD interface, intended to be used in monitor with
high resolution up to 1280
1024. It contains 3 matched R/G/
B video Amplifiers with Blank signal and provides a flexible
interfacing to DC controlled adjustment system.
FUNCTIONS
• R/G/B Video Amplifier
• OSD Interface
ORDERING INFORMATION
• Contrast/OSD Contrast/SUB Contrast Control
Device
Package
Operating Temperature
• Brightness Control
KA2140B
28-DIP
-25 C ~ +80 C
• Blank/Clamp Gate
• Video Clamp
FEATURES
• 3 - Channel R/G/B Video Amplifier, 130MHz Bandwidth
• TTL OSD Input, 50MHz Bandwidth
• DC Contrast Contol range: -38dB
• DC SUB Contrast Control range: -11dB
• Capable of 7.5V
Output Swing Range
PP
• Video/OSD high speed Switch
1

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KA2140B Summary of contents

Page 1

... R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS R/G/B VIDEO AMPLIFIER The KA2140B is a very high frequency video amplifier system with an OSD interface, intended to be used in monitor with high resolution up to 1280 1024. It contains 3 matched R/G/ B video Amplifiers with Blank signal and provides a flexible interfacing to DC controlled adjustment system ...

Page 2

... KA2140B BLOCK DIAGRAM _ 1 ROSD GOSD 3 BOSD 4 VI/OSD_SW RIN _ 6 gm1 VCC1 + 7 GND1 8 GIN 9 VCC2 10 GND2 11 BIN 12 GND3 13 CONST 14 OSD _CONST 2 R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS ONE (RED) OF THREE CHANNELS SWITH CONTROL SUB_CONTRAST OSD CONTRAST VIDEO + OSD SUB_CONTRAST ...

Page 3

... Clamp Gate Signal Input I Blank Gate Signal Input - Blue Clamp Cap O Blue Clamp Video Output - Green Clamp Cap O Green Video Output - Ground (Output Part Red Video Output - Red Clamp Cap I Brightness Control I Blue Gain Control I Green Gain Control I Red Gain Control KA2140B Configurations 3 ...

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