A 55 GHz Bandpass Filter Realized With Integrated TEM Transmission Lines

A compact 4-pole bandpass filter centered at 55 GHz with a 13.6% bandwidth is realized using an integrated three dimensional microfabrication process. The filter has an almost exact match to the design simulations except for a shift in the center frequency that is less than 1.3%. Measured insertion...

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Bibliographic Details
Published in2006 IEEE MTT-S International Microwave Symposium Digest pp. 132 - 135
Main Authors Reid, J.R., Webster, R.T.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2006
Subjects
Band pass filters
Bandwidth
Capacitance
Fabrication
Frequency
Insertion loss
Microelectromechanical Systems
Micromachining
Microwave filters
Millimeter wave circuits
Millimeter wave filters
Resonator filters
Resonators
Transmission lines
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Summary:A compact 4-pole bandpass filter centered at 55 GHz with a 13.6% bandwidth is realized using an integrated three dimensional microfabrication process. The filter has an almost exact match to the design simulations except for a shift in the center frequency that is less than 1.3%. Measured insertion loss is 2.4-3.5 dB. The filter is very compact, measuring less than 0.86 mm (ap lambda/6) by 1.9 mm (ap lambda/3) by 0.3 mm (ap lambda/15). This filter clearly demonstrates the potential of three dimensional microfabrication processes for the realization of millimeter wave filters
ISBN:9780780395411
0780395417
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2006.249412