Low voltage CMOS voltage-controlled multivibrator and resonant VCO circuits

In the paper a circuit implementation of two CMOS low voltage VCOs are presented. First of them is a charge-pump-based voltage-controlled multivibrator, using only CMOS inverters as main building blocks, and the second one is a CMOS resonant VCO. The paper investigates the effects of injection in th...

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Bibliographic Details
Main Authors: Jasielski, J., Kolodziejski, W.
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Charge pump
Charge pumps
CMOS
CMOS technology
Frequency
Low voltage
PLL
Resonance
RLC circuits
Trigger circuits
VCO
Virtual colonoscopy
Voltage-controlled oscillators
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Summary:In the paper a circuit implementation of two CMOS low voltage VCOs are presented. First of them is a charge-pump-based voltage-controlled multivibrator, using only CMOS inverters as main building blocks, and the second one is a CMOS resonant VCO. The paper investigates the effects of injection in the presented VCOs and makes a comparison of their parameters. The simulation and experimental results of the fabricated in 0.35 mum from AMIS technology voltage-controlled multivibrator, as well the simulation results of the resonant VCO with real foundry parameters of the 0.18 mum from UMC are also included.