Hee Yong Hwang and Sang-won Yun, Sogang University

Articles by Hee Yong Hwang and Sang-won Yun, Sogang University

The Design of Bandpass Filters Considering Frequency Dependence of Inverters

In general, practical inverters have frequency-dependent impedance or admittance. The equivalent circuits of several widely used inverters are investigated, consisting of ideal inverters plus frequency-dependent real and/or immittance parts. One of the...

September 1, 2002

Hee Yong Hwang and Sang-won Yun, Sogang University

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By using impedance or admittance inverters, microwave bandpass filters can be designed more conveniently with only one kind of resonator. Theoretically, the inverters have to be frequency independent. However, this is not true for practical cases. One of the most serious degradations in frequency response of a bandpass filter...