Proceedings of the 2015 Joint International Mechanical, Electronic and Information Technology Conference

A chopped charge pump of PLL

Authors
Pu Luo
Corresponding Author
Pu Luo
Available Online December 2015.
DOI
10.2991/jimet-15.2015.191How to use a DOI?
Keywords
chopped charge pump; static phase error; PLL.
Abstract

In this paper, a chopped charge pump with matching up and down pulses was introduced. The proposed topology is based on differential current sources and sinks. a switching circuit for switching on in a first phase one current source of each pair to provide up current pulses, and switching on in a second phase the other current source of each pair to provide up current pulses. The chopped charge pump can eliminate static phase error of PLL. The proposed PLL circuit is designed based on the 0.18um CMOS process with a 3.3V&1.8V supply voltage.

Copyright
© 2015, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2015 Joint International Mechanical, Electronic and Information Technology Conference
Series
Advances in Computer Science Research
Publication Date
December 2015
ISBN
10.2991/jimet-15.2015.191
ISSN
2352-538X
DOI
10.2991/jimet-15.2015.191How to use a DOI?
Copyright
© 2015, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

TY  - CONF
AU  - Pu Luo
PY  - 2015/12
DA  - 2015/12
TI  - A chopped charge pump of PLL
BT  - Proceedings of the 2015 Joint International Mechanical, Electronic and Information Technology Conference
PB  - Atlantis Press
SP  - 1017
EP  - 1020
SN  - 2352-538X
UR  - https://doi.org/10.2991/jimet-15.2015.191
DO  - 10.2991/jimet-15.2015.191
ID  - Luo2015/12
ER  -