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SINGLE_TRANSISTOR_PHASE_SHIFTER

2016-05-08 06:26  
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SINGLE_TRANSISTOR_PHASE_SHIFTER
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 R1 provides the sum of various proportions of these and hence a continuously variable phase shift is provided. The circuit operates well in the 600 Hz to 4 kHz range.