Operational transconductance amplifier: Difference between revisions
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* National Semiconductor LM13600 and [[LM13700]], both dual OTAs |
* National Semiconductor LM13600 and [[LM13700]], both dual OTAs |
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* Philips [[NE5517]], similar to the LM13600 |
* Philips [[NE5517]], similar to the LM13600 |
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* Maxim [[MAX435]] and MAX436<ref>[https://web.archive.org/web/20080418141642/http://users.ece.gatech.edu |
* Maxim [[MAX435]] and MAX436<ref>[https://web.archive.org/web/20080418141642/http://users.ece.gatech.edu/~lanterma/sdiy/datasheets/ Aaron's Synth DIY Datasheet and Ap Note Collection], (Archive.org)</ref><ref>''[http://synth.stromeko.net/diy/OTA.pdf Operational Transconductance Amplifiers]'' by Achim Gratz</ref> |
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== References == |
== References == |
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* [http://www.openmusiclabs.com/files/otadist.pdf Minimizing Distortion in Operational Transconductance Amplifiers], Open Music Labs, 3 Oct 2015 |
* [http://www.openmusiclabs.com/files/otadist.pdf Minimizing Distortion in Operational Transconductance Amplifiers], Open Music Labs, 3 Oct 2015 |
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=== Data sheets === |
=== Data sheets === |
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* [https://web.archive.org/web/20080418141642/http://users.ece.gatech.edu |
* [https://web.archive.org/web/20080418141642/http://users.ece.gatech.edu/~lanterma/sdiy/datasheets/ Operational Transconductance Amplifiers (OTA)] at Aaron D. Lanterman's Synth DIY Datasheet and Ap Note Collection (Archive.org) |
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=== Projects === |
=== Projects === |
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* [http://www.birthofasynth.com/Thomas_Henry/Pages/VCF-1.html VCF-1] by Thomas Henry |
* [http://www.birthofasynth.com/Thomas_Henry/Pages/VCF-1.html VCF-1] by Thomas Henry |
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Revision as of 01:42, 4 December 2018
An operational transconductance amplifier (OTA) is an amplifier whose differential input voltage produces an output current.[1]
DIY OTA
OTA can be made from matched-pair BJTs.[2]
See also
- Intersil CA3080, the classic single OTA and CA3280 a dual OTA with better specs than the CA3080 and LM13x00
- National Semiconductor LM13600 and LM13700, both dual OTAs
- Philips NE5517, similar to the LM13600
- Maxim MAX435 and MAX436[3][4]
References
- ^ Wikipedia:Operational transconductance amplifier
- ^ Comparison of Operational Transconductance Amplifiers by Paul Brown and Wallace Tennille, p. 4
- ^ Aaron's Synth DIY Datasheet and Ap Note Collection, (Archive.org)
- ^ Operational Transconductance Amplifiers by Achim Gratz
External links
- Operational Transconductance Amplifiers by Achim Gratz
- A Short Discussion of the Operational Transconductance Amplifier (OTA) by Eugene M. Zumchak, February 1999
- Demystifying the Operational Transconductance Amplifier, Texas Instrument Application Report SBOA117–May 2009 by Xavier Ramus
- Designing Analog Chips by Hans Camenzind, chapter 10
- Understanding and Using OTA Op-Amps - Part 1 by Ray Marston, Nuts & Volts, April 2003
- Understanding and Using OTA Op-Amps - Part 2 by Ray Marston, Nuts & Volts, May 2003
- LM13700 OTA – The missing forumla
- reducing distortion in OTAs (LM13700, etc), Muff Wiggler forum, Oct 2015
- Last of the OTA's by Don Tillman 10 June 2005
- Minimizing Distortion in Operational Transconductance Amplifiers, Open Music Labs, 3 Oct 2015
Data sheets
- Operational Transconductance Amplifiers (OTA) at Aaron D. Lanterman's Synth DIY Datasheet and Ap Note Collection (Archive.org)
Projects
- VCF-1 by Thomas Henry
Further reading
- 'Musical Applications of Microprocessors by Hal Chamberlin, Hayden Books, 1985, ISBN 0810457687, pp. 200-209