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Re: VCO CMOS Design
CMOS 0.13 um 1.5 V technology. I have VCO supply by 0.9 - 1.3 V, use tail current devices, and for the filker noise filters I use just capacitor for the fltering second harmonic. I cant use second inductance(for the filtering tail current) because I have area limitation...
Hallo, all!
I design VCO 10-12 GHz + div by2 CMOS 0.13 um technology. I use cross-coupled structure. I have a big problen with phase noise. Increase inductance have absolutly no influence on the noise. I have all time -45 dBc/Hz on 10 kHz and -110 dBc/Hz on 1 MHz. I need to have -70 dBc/Hz on...
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