Bridged T-coil: Difference between revisions
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The bridged T coil can also turn a complex load impedance such as an RC or a series RLC into a purely resistive load at all frequencies. | The bridged T coil can also turn a complex load impedance such as an RC or a series RLC into a purely resistive load at all frequencies. | ||
A regular (not bridged by a capacitor) T coil cannot do the latter. | A regular (not bridged by a capacitor) T coil cannot do the latter. | ||
[[Bob Ross]] used Wang Algebra to derive equations for many different forms of the T coil. He has delivered multiple papers on high frequency design internationally. | |||
==Links== | ==Links== | ||
* "Who Wakes the Bugler?", in ''The Art and Science of Analog Circuit Design'', Jim Williams (Ed.), July 1998. ISBN 978-0-7506-7062-3. → [https://books.google.at/books?id=SPwqg7qpFWUC&pg=PR7 Google Books] | * "Who Wakes the Bugler?", in ''The Art and Science of Analog Circuit Design'', Jim Williams (Ed.), July 1998. ISBN 978-0-7506-7062-3. → [https://books.google.at/books?id=SPwqg7qpFWUC&pg=PR7 Google Books] | ||
* B. Razavi, ''[http://www.seas.ucla.edu/brweb/papers/Journals/BRFall15TCoil.pdf The Bridged T-Coil, A Circuit for All Seasons]''. IEEE Solid-State Circuits Magazine, Fall 2015 | * B. Razavi, ''[http://www.seas.ucla.edu/brweb/papers/Journals/BRFall15TCoil.pdf The Bridged T-Coil, A Circuit for All Seasons]''. IEEE Solid-State Circuits Magazine, Fall 2015 | ||
* Paul Rako, ''[https://www.electronicdesign.com/technologies/analog/article/21807815/whats-all-this-tcoil-stuff-anyhow What’s All This T-Coil Stuff, Anyhow?] electronicdesign.com, | * Paul Rako, ''[https://www.electronicdesign.com/technologies/analog/article/21807815/whats-all-this-tcoil-stuff-anyhow What’s All This T-Coil Stuff, Anyhow?] electronicdesign.com, 2019 | ||
* [[Bob Ross]], ''[https://ibis.org/summits/feb11/ross.pdf T-Coil Topics]'' DesignCon IBIS Summit, Santa Clara, CA, 2011 | |||
* P. Starič, E. Margan, ''[http://www-f9.ijs.si/~margan/WBAmps/wbamps2x.pdf Wideband Amplifiers, Part 2: Inductive Peaking Circuits]'' | * P. Starič, E. Margan, ''[http://www-f9.ijs.si/~margan/WBAmps/wbamps2x.pdf Wideband Amplifiers, Part 2: Inductive Peaking Circuits]'' | ||
* [[Dennis Feucht]], ''Handbook of Analog Circuit Design''. New York: Academic Press, 1990 | * [[Dennis Feucht]], ''Handbook of Analog Circuit Design''. New York: Academic Press, 1990 | ||
* E. L. Ginzton, [[Bill Hewlett|W. R. Hewlett]], J. H. Jasberg, J. D. Noe, ''Distributed Amplification''. Proceedings of the IRE, pp 956-969, August 1948. | * E. L. Ginzton, [[Bill Hewlett|W. R. Hewlett]], J. H. Jasberg, J. D. Noe, ''Distributed Amplification''. Proceedings of the IRE, pp 956-969, August 1948. | ||
{{Documents|Link=Bridged T-coil}} | |||
{{PatentLinks|Bridged T-coil}} | |||
[[Category:Circuits and Concepts]] | [[Category:Circuits and Concepts]] |
Revision as of 05:35, 13 July 2024
The (bridged) T-coil is a circuit topology that extends signal bandwidth.
A bridged T coil is a circuit configuration with a capacitor from input to resistive load and extends signal bandwidth (as does an unbridged T coil). The bridged T coil can also turn a complex load impedance such as an RC or a series RLC into a purely resistive load at all frequencies. A regular (not bridged by a capacitor) T coil cannot do the latter.
Bob Ross used Wang Algebra to derive equations for many different forms of the T coil. He has delivered multiple papers on high frequency design internationally.
Links
- "Who Wakes the Bugler?", in The Art and Science of Analog Circuit Design, Jim Williams (Ed.), July 1998. ISBN 978-0-7506-7062-3. → Google Books
- B. Razavi, The Bridged T-Coil, A Circuit for All Seasons. IEEE Solid-State Circuits Magazine, Fall 2015
- Paul Rako, What’s All This T-Coil Stuff, Anyhow? electronicdesign.com, 2019
- Bob Ross, T-Coil Topics DesignCon IBIS Summit, Santa Clara, CA, 2011
- P. Starič, E. Margan, Wideband Amplifiers, Part 2: Inductive Peaking Circuits
- Dennis Feucht, Handbook of Analog Circuit Design. New York: Academic Press, 1990
- E. L. Ginzton, W. R. Hewlett, J. H. Jasberg, J. D. Noe, Distributed Amplification. Proceedings of the IRE, pp 956-969, August 1948.
Documents Referencing Bridged T-coil
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Patents that may apply to Bridged T-coil
Page | Title | Inventors | Filing date | Grant date | Links |
---|---|---|---|---|---|
Patent US 3532982A | Transmission line termination circuit | Donald F Zeidlhack • Richard K White | 1967-01-03 | 1970-10-06 | Bridged T-coil • P6047 |