Class E Amplifiers - NorCal QRP

April-04N7VE / Ozarkcon Class E PresentationCopyright 1994, All rights reservedClass E AmplifiersPart 1: Class E BasicsDan Tayloe, N7 VEApril-04N7VE / Ozarkcon Class E PresentationCopyright 1994, All rights reserved5w Class E 40m PrototypePower Amp6v RegulatorOutput Network50 ohm Load Straight Key April-04N7VE / Ozarkcon Class E PresentationCopyright 1994, All rights reservedWhy Class E? Class C final, 2w40 to 45% efficient, ~ 370 to 410 ma* Class E final, 2w88% efficient, ~ 190 ma*Almost 50% less TX current battery friendly!* Does not include PA driver. Class E can require very little driver power!April-04N7VE / Ozarkcon Class E PresentationCopyright 1994, All rights reservedClass E Efficiency SecretVoltage vs.

April-04 N7VE / OzarkcCopyright 1994, All rights reserved on Class E Presentation Why Class E? Class C final, 2w 40 to 45% efficient, ~ 370 to 410 ma* Class E final, 2w

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