Uploaded October 2022 | Updated September 2026, 1 week ago

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#173 In this video I start looking at the RF version of the Class D amplifier. First up, how can it be built and how does it work? unlike most of the previous version, the class D RF has multiple implementations- based on the exact design needs, one or another might be more usefull.

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

Further reading:
http://rfic.eecs.berkeley.edu/ee242/pdf/Module_6_2_PA_Classes.pdf
Online matching network calculator:
https://home.sandiego.edu/~ekim/e194rfs01/jwmatcher/matcher2.html


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