Resonator filter

Resonator filter

Resonator filter having a frequency regulating means with at...

Resonator filter with reduced variation in the pass band...

Resonator filters with wide stopbands

Resonator for high frequency electromagnetic oscillations

Resonator of radio-frequency filter

Resonator structure having a strip and groove serving as transmi

Resonator with external conductor as resonance inductance elemen

Resonator with spiral-shaped pattern electrodes

Resonator, filter, communication apparatus

Resonator, filter, communication apparatus

Resonator, filter, duplexer, and communication device

Resonator, filter, nonreciprocal circuit device, and...

Resonator, in particular for a microwave filter, and a...

Reverse-phase cross coupling structure

RF backscatter transmission with zero DC power consumption

RF backscatter transmission with zero DC power consumption

RF circuit component

RF circuit component and RF circuit