Uploaded June 2023 | Updated September 2026, 1 week ago

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#192 In this video I start looking at the Class E type of RF power amplifier. Its a switching amplifier that presents very high efficiency and it comes with the added bonus of being buildable with a single switching element. So what's the catch?

Related videos:
Class A amplifier part 1 - youtu.be/GtFnkXar5JU
Class A amplifier part 2 - youtu.be/wdd18pYyFg0
Class B amplifier part 1 - youtu.be/eu54pe0LhpM
Class B amplifier part 2a - youtu.be/oTVJM5BZttw
Class B amplifier part 2b - youtu.be/qLYQAOWTHRE
Class C amplifier part 1 - youtu.be/xPTJmFtaGNc
Class C amplifier part 2 - youtu.be/gYbMpu4NoZo
Class D audio amplifier part 1 - youtu.be/w1Rq1cxfNEk
Class D audio amplifier part 2 - youtu.be/pLXautZaH8c
Class D audio amplifier part 3 - youtu.be/zhpOU6eb2gs
Class D RF amplifier part 1 - youtu.be/idisyToMZ58
Class D RF amplifier part 2 - youtu.be/wSFtRKrJ84M
Class E amplifier part 1 - youtu.be/Tgrakttus3c
Class E amplifier part 2 - youtu.be/qN18wjy5Xwc
Class E amplifier part 3 - TBD


Relevant documentation and links:
https://people.physics.anu.edu.au/~dxt103/160m/class_E_amplifier_design.pdf
infineon.com/dgdl/Infineon-Wireless_power_transfer_class_E_power_amp-AN-v01_02-EN.pdf?fileId=5546d46262b31d2e016351b8108a1c15
RF Power Amplifiers, Mihai Albulet, Noble,2001
Radio-Frequency Electronics Circuits and Applications, Jon B. Hagen, Cambridge, 2009
https://home.sandiego.edu/~ekim/e194rfs01/jwmatcher/matcher2.html
nexperia.com/products/mosfets/small-signal-mosfets/SI2304DS.html

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