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KA2143B

Samsung
Part Number KA2143B
Manufacturer Samsung
Description R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
Published Apr 25, 2005
Detailed Description APRIL. 1998 DATA SHEET KA2143B R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS KA2143B R/G/B VIDEO AMPLIFIER T...
Datasheet PDF File KA2143B PDF File

KA2143B
KA2143B

Overview
APRIL.
1998 DATA SHEET KA2143B R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS KA2143B R/G/B VIDEO AMPLIFIER The KA2143B is a very high frequency video amplifier system with OSD interface intended to be used in Monitor with high resolution up to 1024 × 768.
It contains 3 matched R/G/B video Amplifiers with Blank signal and provides a flexible interfacing to DC controlled adjustment system.
24-DIP-300 FUNCTIONS • R/G/B Video Amplifier • OSD Interface • Contrast/OSD Contrast/SUB Contrast Control • Blank/Clamp Gate • Video Clamp ORDERING INFORMATION Device KA2143B Package 24-DIP-300 Operating Temperature -20 °C ~ +70 °C FEATURES • 3-Channel R/G/B Video Amplifier, 110MHz Bandwidth • TTL OSD Input, 50MHz Bandwidth • DC Contrast Control range: -38dB • DC SUB Contrast Control range: -11dB • Capable of 7.
5VPP Output Swing Range • Video/OSD high speed Switch 1 KA2143B R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS ROSD GOSD 1 2 3 4 _ A1 + 24 23 22 21 RDRIVE GDRIVE BDRIVE GND2 BOSD VI/OSD_SW SWITH CONTROL VIDEO SUB_CONTRAST CONTROL RIN VCC1 GIN 5 6 _ A2 + VIDEO OSD SWITCH OSD CONTRAST 20 + VIDEO SUB_CONTRAST -A5 RCLP ROUT gm1 + 7 8 GND1 BIN 9 CONTRAST CONTROL OSD CONTRAST CONTROL gm2 + CONST OSD_ CONST 10 11 12 CLP CLAMP GATE 2 _ _ VIDEO CONTRAST _ A3 + 19 18 -A4 VCC2 17 1.
5V GCLP GOUT 16 15 14 BLANK GATE BCLP BOUT BLK 13 R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS KA2143B PIN CONFIGURATIONS Table 1.
Pin Configurations Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol ROSD GOSD BOSD VI/OSD_SW RIN VCC1 GIN GND BIN CONST OSD_CONST CLP BLK BOUT BCLP GOUT GCLP Vcc2 ROUT RCLP GND BDRIVE GDRIVE RDRIVE I/O I I I I I I I I I I I O O O I I I Red OSD Input Green OSD Input Blue OSD Input Video or OSD Switch Red Video Input VCC (normal) Green Video Input Ground Blue Video Input Contrast Control OSD Contrast Control Clamp Gate Signal Input Blank Ga...


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