ELECTROSTATIC_DEFLECTION_AMPLIFIER

Published:2009/7/10 22:35:00 Author:May | From:SeekIC

Circuit develops equal-amplitude but opposite-polarity sawtooth outputs when sawtooth input is applied to gates of Q1 and Q2. al is connected as common-source amplifier for applying opposite-polarity sawtooth to gate of Q3.Polarity at output of Q3 then becomes same as that of input, increased to amplitude suitable for deflction plates of CRT. Sawtooth at output of Q2 has opposite polarity. Circuit values are chosen to balance gain so both outputs have same magnitude.-E. M. Noll, FET Principles, Experiments, and Projects, Howard W. Sams, lndianapolis, IN, 2nd Ed., 1975, p 229-230.



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