Transformed lumped element integrated passive bandpass filters for gigahertz range spectrum monitor receivers
Transformed lumped element integrated passive bandpass filters for gigahertz range spectrum monitor receivers
Two integrated bandpass filters have been designed and fabricated on standard 130 nm CMOS technology. The lumped element, third-order Butterworth bandpass filters at 9.45 and 1.75 GHz are designed for sub-band filtering in a spectrum monitoring receiver function in a future cognitive radio. A series coupled resonator topology is selected and a novel delta-star transformation technique is applied to obtain element values suitable for reliable fabrication on an integrated circuit. Occupying die areas of 780 × 200 µm and 1750 × 500 µm each, the filters achieve insertion losses of 15.6 and 8.6 dB, and band-widths of 1 GHz and 210 MHz, respectively, which are suitable for the chosen spectrum monitor receiver architecture.
1328-1330
Liang, S.
2d62fcbf-c433-4fb3-9c20-c4aabef8d3f1
Redman-White, W.
d5376167-c925-460f-8e9c-13bffda8e0bf
24 November 2011
Liang, S.
2d62fcbf-c433-4fb3-9c20-c4aabef8d3f1
Redman-White, W.
d5376167-c925-460f-8e9c-13bffda8e0bf
Liang, S. and Redman-White, W.
(2011)
Transformed lumped element integrated passive bandpass filters for gigahertz range spectrum monitor receivers.
Electronics Letters, 47 (24), .
(doi:10.1049/el.2011.1069).
Abstract
Two integrated bandpass filters have been designed and fabricated on standard 130 nm CMOS technology. The lumped element, third-order Butterworth bandpass filters at 9.45 and 1.75 GHz are designed for sub-band filtering in a spectrum monitoring receiver function in a future cognitive radio. A series coupled resonator topology is selected and a novel delta-star transformation technique is applied to obtain element values suitable for reliable fabrication on an integrated circuit. Occupying die areas of 780 × 200 µm and 1750 × 500 µm each, the filters achieve insertion losses of 15.6 and 8.6 dB, and band-widths of 1 GHz and 210 MHz, respectively, which are suitable for the chosen spectrum monitor receiver architecture.
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Published date: 24 November 2011
Organisations:
Nanoelectronics and Nanotechnology
Identifiers
Local EPrints ID: 337751
URI: http://eprints.soton.ac.uk/id/eprint/337751
ISSN: 0013-5194
PURE UUID: e1629c32-5ef6-4348-bf30-b89a617041e1
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Date deposited: 02 May 2012 13:14
Last modified: 14 Mar 2024 10:57
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Author:
S. Liang
Author:
W. Redman-White
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