A Fundamental VCO with Integrated Output Buffer beyond 120 GHz in SiGe Bipolar Technology
- 1 June 2007
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 0149645X,p. 645-648
- https://doi.org/10.1109/mwsym.2007.379984
Abstract
A fundamental voltage controlled oscillator (VCO) beyond 120 GHz is presented. The VCO has been extended by a cascade amplifier as an output buffer. The chip is fabricated in a 200 GHz fT SiGe bipolar technology. The VCO shows a tuning range from 117.5 to 121.5 GHz. A phase noise of -93.3 dBc/Hz at 1 MHz offset frequency was measured. The circuit consumes 310 mA from a -6 V supply. The high oscillation frequency with low phase noise performance, to the best authors' knowledge, are record values for fully integrated fundamental voltage controlled oscillators in SiGe technology.Keywords
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