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Low power 10 GHz ring VCO using source capacitively coupled current amplifier in 0.12 μm CMOS technology

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2 Author(s)
Tao, R. ; Inst. of Electr. & Opt. Commun. Eng., Univ. of Stuttgart, Germany ; Berroth, M.

A 10 GHz ring voltage controlled oscillator (VCO) has been designed and implemented in 0.12 μm CMOS technology. A source capacitively coupled current amplifier (SC3A) is adopted to realise this VCO. It can operate from 8.4 GHz up to 10.6 GHz with a phase noise of about -85 dBc/Hz at 1 MHz frequency offset. With the 1.5 V supply voltage, the current consumption is about 35 mA.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 23 )