An electrically tunable X-Band voltage-controlled oscillator using substrate integrated waveguide dual-mode bandpass filter with circular cavity

Abstract

An electrically tunable X-Band voltage-controlled oscillator (VCO) based on the substrate integrated waveguide (SIW) dual-mode bandpass filter (BPF) technique is presented. In this VCO configuration, the SIW cavity acts as a frequency stabilization element in the feedback loop and a phase shifter is used to change the loop phase. Due to the transmission… (More)

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