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KA2139 데이터시트(PDF) 1 Page - Samsung semiconductor |
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KA2139 데이터시트(HTML) 1 Page - Samsung semiconductor |
1 / 6 page KA2139 VIDEO AMPLIFIER FOR MONITOR 3 CHANNEL R.G.B VIDEO AMPLIFIER 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. G. B amplifier • Contrast control • Clamp & brIghtness circuit • Vref. circuit FEATURES • 3 Channel R.G.B video amplifier (f. -3DB =7OMHz:Typ) • Superior linearity contrast control • Black level clamp comparator for brightness control • Built-in clamp gate circuit to operate the clamp comparator at black level • Vref 2.4V bandgap circuit BLOCK DIAGRAM Device Package Operating Temperature KA2139 28 DIP -20 °C ~ +70°C 28-DIP-600A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 gm A1 + - RED gm A1 gm A1 + - + - BLUE GREEN CONTRAST CONTROL Vref 2.4V A2 A2 A2 1.4 V ORDERING INFORMATION |
유사한 부품 번호 - KA2139 |
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유사한 설명 - KA2139 |
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