10 and 26 GHz differential VCOs using InP HBTs
- 23 December 2002
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 3 (0149645X) , 1507-1510
- https://doi.org/10.1109/mwsym.1996.512222
Abstract
We have built 10 and 26 GHz differential VCOs using InP HBTs. Both oscillators use a 3 stage emitter coupled pair ring section. The 10 GHz VCO is connected in the well known fashion but the 26 GHz circuit uses a patented summed output from each of the three ECP (Emitter Coupled Pair) stages. The circuits are powered from a single 5 V supply consuming 250 mW. The chip size is 870/spl times/975 /spl mu/m/sup 2/. The phase noise at a 100 kHz offset for the 10 and 26 GHz oscillators is 83 dBc/Hz and -70 dBc/Hz respectively.This publication has 8 references indexed in Scilit:
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