SIMPLE_DOUBLER_

Published:2009/7/4 20:53:00 Author:May | From:SeekIC

Performance is good up to about 10 kHz. R2 is adjusted to set FET just at cutoff under no-signal conditions, to give operation in square-law region. With R1correctly adjusted, using scope or third harmonic distortion monitor to obtain minimal distoltion, harmonic content of output can be made to approach that of sine-wave input. Article gives design equations.-R. Williams and J. Dunne, Frequency Doubler, Wireless World, Dec. 1975, p 575.



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