EL4089C

EL4089C EL4089C DC Restored Video Amplifier Features  Complete video level restoration system  0 02% differential gain and 0 05 differential phase accuracy at NTSC  60 MHz bandwidth  0 1 dB flatness to 10 MHz  VS e g 5V to g 15V  TTL CMOS hold signal General Description The EL4089C is an 8-pin complete DC-restored monolithic video amplifier sub-system It contains a high quality video amplifier and a nulling sample-and-hold amplifier specifically designed to stabilize video performance When the HOLD logic input is set to a TTL CMOS logic 0 the sample- and-hold amplifier can be used to null the DC offset of the video amplifer When the HOLD input goes to a TTL CMOS logic l the correcting voltage is stored on the video amplifier’s input coupling capacitor The correction voltage can be further corrected as need be on each video line The video amplifier is optimized for video performance and low power Its current feedback design allows the user to maintain essentially the same bandwidth over a gain range of nearly 10 1 The amplifier drives back-terminated 75X lines The EL4089C is fabricated in Elantec’s proprietary Complementary Bipolar process which produces NPN and PNP transistors with equivalent AC and DC performance The EL4089C is specified for operation over 0 C to a 75 C temperature range Applications  Input amplifier in video equipment  Restoration amplifier in video mixers Ordering Information Part No Temp Range Package Outline EL4089CN 0 C to a 75 C EL4089CS 0 ...