Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/15157
Title: Microstrip even-mode half-wavelength SIR based I-band interdigital bandpass filter
Authors: Maharjan, Ram Krishna
Kim, Nam-Young
Keywords: Microstrip stepped impedance resonator
Even-mode SIR
Half-wavelength SIR
Interdigital resonators
Bandpass filter
I-band communication systems
Issue Date: Oct-2012
Publisher: NISCAIR-CSIR, India
Abstract: In this paper, a new microstrip interdigital even-mode half-wavelength type stepped impedance resonator (SIR) based bandpass filter (BPF) for I-band applications is presented. The bandpass filter characteristic depends on the self-resonant frequency of the interdigital resonated arms. The combination of the interdigital arm structures behaves as an interdigital capacitance coupling between port 1 and port 2. The self generated capacitive and inductive reactances of the interdigital resonators interacted in order to obtain a resonance at 9.4 GHz. The resonant frequency and the bandwidth of the filter are directly optimized as a result of the physical arrangement of the interdigital resonators. The measured insertion loss (S<sub>21</sub>) and the return loss (S<sub>11</sub>) are –0.85 dB and –28.0 dB, respectively, at the 9.4 GHz resonant frequency.
Description: 299-303
URI: http://hdl.handle.net/123456789/15157
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.19(5) [October 2012]

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