KA2139 Datasheet (Samsung) - 3 CHANNEL R.G.B VIDEO AMPLIFIER

KA2139, 3 CHANNEL R.G.B VIDEO AMPLIFIER

No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Symbol VCC1 CONCAP1 CONCAP2 RIN RCAP GIN GND GCAP BIN BCAP VREF CON VCC1 GATEIN Description Power supply 1 Contrast capacitor 1 Contrast capacitor 2 R channel input R-CH comparator cap.

G channel input Ground G-CH comparator cap.

B channel input B-CH comparator ca

KA2139 3 CHANNEL R.G.B VIDEO AMPLIFIER VIDEO AMPLIFIER FOR MONITOR 28-DIP-600A The KA2l39 is a monolithic integrated circuit for processing the R,G,B video in high resolution CRT display.

It contains 3 channel video amplifier, black level clamp comparator for brightness control and DC control attenuator for contrast control, this device is suitable for monitor.

FUNCTIONS R.

B amplifier Contrast control Clamp & brIghtness circuit Vref.

circuit FEATUR

KA2139 Features

* 3 Channel R.G.B video amplifier (f.-3DB =7OMHz:Typ)

* Superior linearity contrast control ORDERING INFORMATION

* Black level clamp comparator for Device Package Operating Temperature brightness control

* Built-in clamp gate circuit to operate the KA2139 28 DIP -20°C