A selective quadrature phase shifter is described. The phase shifter is automatically readjusted, when the operating frequency is changed over a wide frequency range. An accurate calibration of the phase shifter is provided.
Ashkan AshrafiReza R. AdhamiP.R. Cox
Mohammed Umar ShaikhSivaramakrishna RudrapatiAparna NanawareShalabh Gupta
M. N. SurduA. L. LamekoD. M. SurduSergii Kursin