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In this paper, the bandpass filter design that uses a disk resonator and parallel coupled lines is proposed. The purpose of design is to apply the disk resonator's equivalent circuit which has been introduced in our previous paper [1]. The filter design method is based on the general J-inverter-based equivalent circuit of 2-pole bandpass filter. The design relative equations have been derived and...
This paper studies the open end effect in parallel coupled transmission lines. The parallel coupled transmission line that has an open ended through port and an isolation port connected with 50 ohm transmission line is simulated using an electromagnetic simulation tool. The equivalent circuit having a negative phase is extracted using the Designer V4(Ansoft co.) de-embedding technique. The open end...
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