<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper introduces a procedure that relies on Computer Aided Design tools (industry compatible SPICE simulator and MATLAB) to get a first rapid design solution for a ring voltage controlled oscillator (VCO) that can be further analyzed and optimized for usage in a VCO based analog to digital converter (ADC). Due to the fact that linearity is a key performance metric of an ADC a special attention will be given to this characteristic during the design and for this matter control mechanism will be analyzed. To exemplify the design procedure two different delay cell topologies (simple inverter and pseudo-differential cross-coupled inverters) will be analyzed and designed in a 130 nm CMOS technology.</p>
</abstract>

This paper introduces a procedure that relies on Computer Aided Design tools (industry compatible SPICE simulator and MATLAB) to get a first rapid design solution for a ring voltage controlled oscillator (VCO) that can be further analyzed and optimized for usage in a VCO based analog to digital converter (ADC). Due to the fact that linearity is a key performance metric of an ADC a special attention will be given to this characteristic during the design and for this matter control mechanism will be analyzed. To exemplify the design procedure two different delay cell topologies (simple inverter and pseudo-differential cross-coupled inverters) will be analyzed and designed in a 130 nm CMOS technology.

Heuristic Approach in Ring Voltage Controlled Oscillator Design for V.C.O. Based Analog to Digital Conterters

“Gheorghe Asachi” Technical University of Iași, Faculty of Electronics

Bulletin of the Polytechnic Institute of Iași. Electrical Engineering, Power Engineering, Electronics Section

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This paper introduces a procedure that relies on Computer Aided Design tools (industry compatible SPICE simulator and MATLAB) to get a first rapid design...

Heuristic Approach in Ring Voltage Controlled Oscillator Design for V.C.O. Based Analog to Digital Conterters

Published Online: Nov 16, 2023

Page range: 35 - 44

Received: Mar 31, 2023

Accepted: Oct 07, 2023

DOI: https://doi.org/10.2478/bipie-2022-0015

Keywords
CMOS, VCO, VCO ADC, nonlinearity, CAD design

© 2022 Andrei Ciobanaşu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Heuristic Approach in Ring Voltage Controlled Oscillator Design for V.C.O. Based Analog to Digital Conterters

Published Online: Nov 16, 2023

Page range: 35 - 44

Received: Mar 31, 2023

Accepted: Oct 07, 2023

DOI: https://doi.org/10.2478/bipie-2022-0015

KeywordsCMOS, VCO, VCO ADC, nonlinearity, CAD design

© 2022 Andrei Ciobanaşu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
CMOS, VCO, VCO ADC, nonlinearity, CAD design