Adjustable All-Pass Network Suitable for Phase Shifting and Time Delay Applications in Integrated Circuits

A nonreciprocal all-pass network employing a minimum number of reactive elements is presented. Since the basic network uses only gyrators and capacitors, the configuration is well suited to integrated circuit methods. The all-pass parameters can be changed electrically by adjusting the gyration conductances. An example of phase shift and time delay adjustment is presented.

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