
S. R. HADIANAMREI ET AL.
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Table 1. Compare fundamental and subharmo nic VCO.
Fundamental Subharmonic
Freq 4.8 GHz 9.6 GHz
Output Power –0.942 dBm –9.751 dBm
Phase Noise –107.2 dBc/Hz –114.8 dBc/Hz
Table 2. Compare with other VCO designs.
Reference fc(GHz) Phase
noise(dBc/Hz) Device
[11] 8.7 –110 SiGe BiCMOS
[12] 2.2 –111 CMOS0.35 μm
[13] 11.02 –86.83 CMOS RF
[14] 1.6 –114.7 CMOS 0.18˚ μm
This Work 9.6 –114.8 CMOS 0.18˚ μm
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