Single transistor phase shifter

Posted on May 20, 2012

This circuit provides a simple means of obtaining phase shifts between zero and 170°. The transistor operates as a phase splitter, the output at point A being 180° out of phase with the input. Point B is in phase with the input phase. Adjusting Rl provides the sum of various proportions of these and hence a continuously variable phase shift is provided

Single transistor phase shifter
Click here to download the full size of the above Circuit.

The circuit operates well in the 600 Hz to 4 kHz range.

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