BROAD BAND CHARACTERISTIC COMPENSATION VIDEO AMP CIRCUIT

摘要

The circuit is for improving the frequency characteristics by compensating the gain difference of HF component and LF component. The circuit comprises a frequency band divider (10) for dividing the broadband video signal into the HF and LF components by the capacitive reactance characteristics, a HF band amplifier (20) for amplifying the HF component and for compensating the gain of the HF component, a LF band amplifier (30) for amplifying the difference between the LF component and the signal feedbacked from the second node, and a broadband amplifier (40) for amplifying the broadband video signal including the HF and LF components.