non-reciprocal

Integrated non-reciprocal dual H- and E-Field tunable bandpass filter with ultra-wideband isolation

The integrated non-reciprocal tunable bandpass filter with a NiZn feritte film deposited via a spin sprayed process is presented. With external in-plane magnetic fields from 100 to 400Oe, the central frequency was tuned from 3.78 to 5.27GHz, with an …