Seangrawee Buakaew, Wipavan Narksarp and Chariya Wontaychatham. (2020). High-quality factor shadow bandpass filters with orthogonality to the characteristic frequency. In The 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI – CON 2020) (pp.372-375). Phuket, Thailand: Prince of Songkla University.