CATHODE_DRIVE_FOR_CRT

Published:2009/7/10 21:57:00 Author:May | From:SeekIC

Cascode connection of 2N4091 JFET and 2N3742 bipolar transistor provide full video output for cathode. Gain is about 90. M-derived filter using stray capacitances and variable inductor blocks 4.5-MHz sound frequency from video amplifier. Cascode coAfiguration eliminates Miller capacitance problems of JFET, allowing direct drive from video detector.- FET Databook, Na-tional Semiconductor, Santa Clara, CA, 1977, p 6-26-6-36.



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