Better VCO performance with high-Q MCM passives
Vcc
Tuning
Bias
Out2
Out1
Q LC tank
inductors
varactors
phase noise
(dBc/Hz
@ 100 kHz)
Power
(mW)
on-chip
Q=5.5
MCM
Q=50
MCM
Q=50
on-chip
Q=17
on-chip
Q=17
off-chip
Q=40
-86
-90
-92
17.8
9.5
7.9
FOM
167
173.7
176.5
(simulated results)
3 versions with constant output power
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