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Total 4 documents matching your query.

1. [Amps] Class E amps (score: 1): Author: Bill Turner <dezrat@outlook.com>; Date: Sat, 18 Oct 2014 16:35:20 -0700; -- ORIGINAL MESSAGE --(may be snipped) REPLY: Several years ago during a RTTY contest on 40 meters I noticed a weird hash noise covering the entire band. It would come and go with a timing like someo; /archives//html/Amps/2014-10/msg00175.html (7,417 bytes)
2. Re: [Amps] Class E amps (score: 1): Author: Manfred Mornhinweg <manfred@ludens.cl>; Date: Tue, 21 Oct 2014 18:28:05 +0000; Bill, Several years ago during a RTTY contest on 40 meters I noticed a weird hash noise covering the entire band. It would come and go with a timing like someone was calling CQ. Tuning around, I foun; /archives//html/Amps/2014-10/msg00211.html (10,289 bytes)
3. Re: [Amps] Class E amps (score: 1): Author: Tom Thompson <w0ivj@tomthompson.com>; Date: Tue, 21 Oct 2014 15:15:02 -0600; I year or so ago, I built a Class E AM transmitter with a Class D pulse width modulator. The PA had a 94% efficiency and the modulator had a 90% efficiency. The modulator ran at 70 kHz. Both the modu; /archives//html/Amps/2014-10/msg00217.html (11,232 bytes)
4. Re: [Amps] Class E amps (score: 1): Author: Manfred Mornhinweg <manfred@ludens.cl>; Date: Wed, 22 Oct 2014 00:38:58 +0000; Dick, Got any suggestions as to which devices meet your criteria ? Among the ones I tried, the best was the IXTP1R6N50P. In class AB, at decent IMD levels, I could obtain a power output from 60 watt; /archives//html/Amps/2014-10/msg00218.html (10,747 bytes)

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