DESCRIPTION
Separate adjustment of the maximum gain of each channel is also possible. FEATURES
D 3 channels, high bandwidth (90 MHz @ –3 dB) D Matched attenuators for contrast control D Black-level clamping for brightness control Vs1 1 SUPPLY REG. 1k D Independent gain control of each amplifier D ESD protection according to MIL-STD. 883 28 Vs1 CONTRAST CAP 2 27 R DRIVE CONTRAST CAP 3 RED 40 90 26 R CLAMP (–) R VIDEO IN 4 25 R VIDEO OUT R CLAMP CAP 5 24 R CLAMP (+) G VIDEO IN 6 GREEN 1k 40 23 Vs2 GROUND 7 90 22 G DRIVE G CLAMP CAP 8 9 21 G CLAMP (– ) B VIDEO IN B CLAMP CAP BLUE 1k 40 2.4V REF CONTRAST CONTROL 90 20 G VIDEO OUT 10 19 G CLAMP (+) Vin REF CONTRAST 11 12 18 B DRIVE 17 B CLAMP (–) Vs1 13 1.4V REF U2203B 95 10749 16 B VIDEO OUT CLAMP GATE 14 15 B CLAMP (+) Figure 1. Block diagram TELEFUNKEN Semiconductors Rev. A2, 27-Jan-97 1 (7) U2203B Pin DESCRIPTION
VS1 Ccontr Ccontr Vin, R Cclamp, R Vin, G GND Cclamp, G Vin, B Cclamp, B VBias Vcontr VS1 VGate 1 2 3 4 5 6 7 8 9 10 11 12 13...
TEMIC Semiconductors
