KA2141 - Samsung

KA2141 R/G/B VIDEO AMPLIFIER FOR MONITORS

Pin No Pin Name Schematic VCC Description 4 6 8 Red Video Input (RIN) Green Video input (GIN) Blue Video Input (BIN) Max input video signal is 0.7Vpp 2.4V Bias 9 1 2 3 Video Contrast (CONST) Blue Drive (BDRIVE) Green Drive (GDRIVE) Red Drive (RDRIVE) Video maximum contrast control range (0V ~ 4V) is -38dB Sub contrast control range (0V ~ 4V) is -11dB .

Features

• 3 - channel R/G/B Video Amplifier: 85MHz bandwidth.
• DC contrast control range: -38dB (0V ~ 4V)
• DC sub contrast control range: -11dB (0V ~ 4V)
• Maximum Video output level: 7Vpp
• DC Brightness control range: 0V ~ 4V
• Include blank gate and clamp gate signal processing block 1 KA2141 R/G/B VIDEO AMPLIFIER FOR MONITORS BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS BDRIVE 1 20 BRIGHT GDRIVE 2 19 ROUT -A3 RDRIVE 3 2.4V _ A1 + VIDEO CONTRAST VIDEO SUB_CONTRAST + _ A2 18 RCLP RIN 4 -A4 17 GOUT VCC1 5 gm GIN GND1 7 BIN 8 CONTRAST CONTROL CLAMP GATE BLANK GATE CONST .