MICROSTRIP BANDPASS FILTER AT S BAND USING CAPACITIVE COUPLED RESONATOR
Authors:
- Somasandharam PrabhuSPSomasandharam Prabhu
- Jit Singh MandeepJMJit Singh Mandeep
- Sinisa JovanovicSJSinisa Jovanovic
- 1 January 2007
- journal article
- Published by The Electromagnetics Academy in Progress In Electromagnetics Research
- Vol. 76, 223-228
Abstract
A microstrip bandpass filter with a new type of capacitive coupled resonator is presented. The filter is designed to be smaller compared to the same type of parallel-coupled bandpass filter. The filter is designed for a centre frequency of 2.5 GHz that lies in the S-band frequency range. The insertion loss at fo is 2.4 dB and the measured 3 dB bandwidth is 8.6%. The agreement between the predicted and measured results is excellent, and even the circuit simulator gives a very good prediction for the filter characteristics.Keywords
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