KA2140B - Samsung

KA2140B R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS

R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS KA2140B 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 adj.

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 7.5VPP Output Swing Range
• Video/OSD high speed Switch 1 KA2140B R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS ROSD GOSD 1 2 3 4 _ A1 + 28 27 26 VIDEO SUB_CONTRAST CONTROL RDRIVE GDRIVE BOSD VI/OSD_SW SWITH CONTROL BDRIVE BRIGHT 25 24 RIN VCC1 GND1 GIN 5 6 _ A2 + VIDEO OSD SWITCH OSD CONTRAST RCLP ROUT + VIDEO CONTRAST VIDEO SUB_CONTRAST -A5 gm1 + 7 .