[47]

60-80GHz Frequency Doubler Operating Close to Fmax

Gang Liu, A. Cagri Ulusoy, Andreas Trasser and Hermann Schumacher

This paper is to be presented at the coming Asia Pacific Microwave Conference ( www.apmc2010.org ; Dec. 7-10, 2010).

Abstract: A push-push frequency doubler, capable of delivering acceptable power to feed active mixers at frequencies close to f _max , is presented. Fabricated in an 80 GHz f _T /f _max SiGe HBT technology, it achieves a maximum output power of -1.6 dBm at 60 GHz (with 0 dBm input power) and a 3 dB bandwidth of 18 GHz (30%). The suppression of the fundamental signal is better than 13 dB. The doubler has been integrated with a VCO in the same technology, demonstrating signal generation from 62.4 GHz to 78.1 GHz with a maximum output power of -1.9 dBm. The output power level and high operating frequency (compared to f _max ) of the VCO/doubler combination is superior to that of typical push-push VCOs.

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Publications Publications, alphabetical order Publications 2008 Publications 2009 Publications 2010 Publications 2011 ICC 2009 PR 01/2009 Final Presentation	[47] 60-80GHz Frequency Doubler Operating Close to Fmax Gang Liu, A. Cagri Ulusoy, Andreas Trasser and Hermann Schumacher This paper is to be presented at the coming Asia Pacific Microwave Conference ( www.apmc2010.org ; Dec. 7-10, 2010). Abstract: A push-push frequency doubler, capable of delivering acceptable power to feed active mixers at frequencies close to f _max , is presented. Fabricated in an 80 GHz f _T /f _max SiGe HBT technology, it achieves a maximum output power of -1.6 dBm at 60 GHz (with 0 dBm input power) and a 3 dB bandwidth of 18 GHz (30%). The suppression of the fundamental signal is better than 13 dB. The doubler has been integrated with a VCO in the same technology, demonstrating signal generation from 62.4 GHz to 78.1 GHz with a maximum output power of -1.9 dBm. The output power level and high operating frequency (compared to f _max ) of the VCO/doubler combination is superior to that of typical push-push VCOs.