| 摘要 |
The disclosed is a piezoelectric phase shifter, which comprises: an input part for inputting input voltages; an output part for outputting output voltages; and a control part for tuning phase difference between the output and input voltages, which are made of a piezoelectric ceramic plate. Further, the input, output and control parts are separated by insulating gaps respectively. The wide phase shift range and good ability to manage high power and relatively high energy transmission efficiency may be obtained by the disclosure.
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