Miniaturized differential filters for C- and Ku-band applications
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We have developed a new set of differential filters suitable for C and Ku-band applications. The filters are integrated on 500 m-thick high-resistivity silicon substrates which are compatible with the new SiGe processes. A lumped-element approach is used to result in a very small size, and high-Q metal-air-metal (MAM) capacitors are integrated in the filter structure for a low-loss design. The measured insertion loss of differential 6 GHz and 12 GHz 10% bandwidth 2-pole Chebyshev filters with an area of 2.3 1.5 mm2 and 1.8 1.1 mm2 is -3.6 dB and -4 dB, respectively. An image rejection filter at 6 GHz resulted in an image rejection of 20 dB and an insertion loss of -3.6 dB. These filters are ideal for integration in modern-day SiGe and CMOS transceivers for wireless LAN and satellite communications. 2003 EUMA.
name of conference
33rd European Microwave Conference Proceedings (IEEE Cat. No.03EX723C)
author list (cited authors)
Entesari, K., Vaha-Heikkila, T., & Rebeiz, G. M.
complete list of authors
Entesari, K||Vaha-Heikkila, T||Rebeiz, GM