The SIW resonator based VCO achieves high Quality factor (Q), improved tuning range and phase noise compared to conventional LC tank VCO. Simulation and analysis of results are performed in Keysight Advanced Design Systems while SIW structure is designed in Ansys HFSS which forms the feedback path.

Dec 21, 2012 · In this letter, a low-cost continuously tunable substrate integrated waveguide (SIW) resonator and a low phase noise SIW voltage-controlled oscillator (VCO) are presented. A simple new structure for coupling varactor to the SIW cavity is proposed, which realizes a simple circuit layout for the tuning resonator.

Jul 8, 2023 · In this paper, a tunable Substrate Integrated Waveguide (SIW) cavity resonator-based low phase noise voltage-controlled oscillator (VCO) is presented. Initially, a highly selective SIW cavity resonator is designed at 5.25 GHz.

To demonstrate the hypothesis, we designed a push-push VCO based on differential SIW BPF and simulated it. The proposed push-push VCO has the phase noise of −138.8 ~ −150.7 dBc/Hz at the frequency offset of 1 MHz within the two tuning range of 23.76 ~ 23 98 GHz and 24.1~24.32 GHz.

This paper presents a novel methodology to implement LC tank in the design of a Voltage Controlled Oscillator (VCO) for improved phase noise and tuning range. For frequency selection, Substrate Integrated Waveguide (SIW) based LC resonator is proposed and employed in cross-coupled differential pair.

Apr 27, 2020 · This letter discusses a complete implementation of high performance voltage-controlled oscillators using enhanced group delay SIW filters. Through precisely adjusting the perturbing via-hole position inside dual mode circular cavity resonator, phase noise of the oscillator can be minimized.

Aug 14, 2015 · This document describes the design and testing of a low phase noise voltage-controlled oscillator (VCO) using an electronically tunable substrate integrated waveguide (SIW) resonator. Key points: - An SIW cavity resonator was designed with a varactor diode coupled to allow electronic tuning of the resonant frequency from 9.32 GHz to 9.95 GHz as ...

In this letter, a low-cost continuously tunable substrate integrated waveguide (SIW) resonator and a low phase noise SIW voltage-controlled oscillator (VCO) are presented. A simple new structure for coupling varactor to the SIW cavity is proposed, which realizes a simple circuit layout for the tuning resonator.

May 14, 2013 · A Ku-Band push-push voltage-controlled oscillator (VCO) based on a substrate integrated waveguide (SIW) resonator is presented. The push-push oscillator configuration is chosen to realize a fundamental oscillator and a frequency doubler in one circuit.

Jun 25, 2014 · The widely-tunable SIW resonator is employed inside a reflective-type VCO structure resulting in a tuning range of 1.7-2.2 GHz ( ~ 26%) and a phase noise better than -109 dBc/Hz at a 100 kHz offset over the entire tuning range.