Datasheet Summary
®
Data Sheet
July 1998, Rev C
FN7158
DC Restored Video Amplifier
The EL4089 is an 8-pin plete DCrestored 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 amplifier.
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...
