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ABSTRACT: This paper presents terahertz passive circuit design and investigation by using a 180 nanometer CMOS technology. A novel multimode bandpass filter and a power divider are designed by adopting a thin-film microstrip line, which uses silicon oxide layer of CMOS as the microstrip substrate. The circuit and full-wave electromagnetic results show that the proposed bandpass filter has a wide passband of 100~150 GHz and a return loss of better than 14 dB. The designed power divider can operate at 500 GHz which is the first reported design using a 180 nm CMOS process.
Integrated Circuits, ISIC '09. Proceedings of the 2009 12th International Symposium on; 01/2010