| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a video signal output circuit for correcting a sag while reducing required capacitance value. <P>SOLUTION: A video signal output circuit includes: an integration circuit 5, constituted of adder circuits (R1, R2) connected to an input terminal 1, an operational amplifier 51 connected to a post-stage of the adder circuit and first low-pass filters (R5, C1) receiving a video signal output from the operational amplifier, for integrating the video signal input to the input terminal and outputting it to an output circuit 2; and a reference circuit 6 constituted of second low-pass filters (R6, C2) for extracting an APL center voltage of the video signal output from the differential amplifier 51 and applying it to the differential amplifier 51 as a control voltage for amplitude amplification of the video signal. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
