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Automated design of switched-current filters

Automated design of switched-current filters
Automated design of switched-current filters
This paper describes the automated design and synthesis of switched-current (SI) filters using SCADS, a flexible CAD system integrated in a major VLSI design suite. With this system, the nonspecialist can produce high performance analog filters suitable for mixed signal CMOS IC's fabricated using only standard digital processes. To achieve high levels of performance on silicon, filter designs are realized using an enhanced differential circuit technique in its integrators and sample-and-hold cells. The design system is described in terms of the embedded circuits, its integrated tool set, the filter design flow and the engineering procedures for ensuring reliable circuit operation. Examples of high performance video frequency filters are presented, each generated automatically by SCADS within one day. Fabricated in a 0.8 µm standard CMOS process, they demonstrate state-of-the-art performance.
0018-9200
898-907
Hughes, J.B.
23294768-3558-4b55-ac29-5de51741a11c
Moulding, K.
778e1e0c-f108-437d-8be4-c7d8ed91050d
Richardson, J.
46aa4f94-defb-4bcc-aedf-c877d6442574
Redman-White, W.
d5376167-c925-460f-8e9c-13bffda8e0bf
Bracey, M.
4833eff3-612c-4368-b038-64ea56a258e1
Bennett, J.
46226eb4-4c67-40dd-ab3d-325aad1abf08
Soin, R.S.
16bcc173-4f94-46b8-a8d1-5bcbc148fd6f
Hughes, J.B.
23294768-3558-4b55-ac29-5de51741a11c
Moulding, K.
778e1e0c-f108-437d-8be4-c7d8ed91050d
Richardson, J.
46aa4f94-defb-4bcc-aedf-c877d6442574
Redman-White, W.
d5376167-c925-460f-8e9c-13bffda8e0bf
Bracey, M.
4833eff3-612c-4368-b038-64ea56a258e1
Bennett, J.
46226eb4-4c67-40dd-ab3d-325aad1abf08
Soin, R.S.
16bcc173-4f94-46b8-a8d1-5bcbc148fd6f

Hughes, J.B., Moulding, K., Richardson, J., Redman-White, W., Bracey, M., Bennett, J. and Soin, R.S. (1996) Automated design of switched-current filters. IEEE Journal of Solid State Circuits, 31 (7), 898-907. (doi:10.1109/4.508201).

Record type: Article

Abstract

This paper describes the automated design and synthesis of switched-current (SI) filters using SCADS, a flexible CAD system integrated in a major VLSI design suite. With this system, the nonspecialist can produce high performance analog filters suitable for mixed signal CMOS IC's fabricated using only standard digital processes. To achieve high levels of performance on silicon, filter designs are realized using an enhanced differential circuit technique in its integrators and sample-and-hold cells. The design system is described in terms of the embedded circuits, its integrated tool set, the filter design flow and the engineering procedures for ensuring reliable circuit operation. Examples of high performance video frequency filters are presented, each generated automatically by SCADS within one day. Fabricated in a 0.8 µm standard CMOS process, they demonstrate state-of-the-art performance.

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More information

Published date: July 1996
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 253719
URI: https://eprints.soton.ac.uk/id/eprint/253719
ISSN: 0018-9200
PURE UUID: 2ef4a9d5-a557-4920-b4a1-b34f8363e889

Catalogue record

Date deposited: 26 Jul 2000
Last modified: 02 Oct 2018 16:31

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Contributors

Author: J.B. Hughes
Author: K. Moulding
Author: J. Richardson
Author: W. Redman-White
Author: M. Bracey
Author: J. Bennett
Author: R.S. Soin

University divisions

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