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Circuit
Diagram > Single Transistor Variable 0-180 Deg Phase
Shifter

Single Transistor Variable 0-180 Deg Phase Shifter

Date: 2012-6-5Author: anonymousReading(306)Collection
this page

The schematic diagram below shows a variable
0-180 degree phase shifter circuit. This circuit can provide? phase shifted
output (compared with the input) between 0 and 180 degrees for frequencies up to
3MHz with same amplitude (unity gain or gain=1.) This circuit uses inexpensive
NPN transistor, 2N3904, but almost any small signal transistor type can be used.
Using R5 and C2 values as shown in the schematic diagram, this circuit produces
90° shift for 200 Hz. If you want to change the phase shift amount, we can just
vary the values of R5 and C2. Here is the schematic diagram of the circuit:

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More information about:Phase
Shifter

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