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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: CLASS D and E |
| From: | John Pumford-Green GM4SLV <[email protected]> |
| Date: | Sun, 4 Nov 2007 13:24:52 +0000 |
| In-reply-to: | <000701c81ede$3af050e0$1ae4fc3e@g3kev> |
| Organization: | The Gammy Bird |
| References: | <000701c81ede$3af050e0$1ae4fc3e@g3kev> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
On Sun, 4 Nov 2007 12:28:05 -0000 "hamilton mal" <[email protected]> wrote: > Hi all > Class D and E amplifiers are supposed to give around 80/90 % > efficiency. Has anyone actually achieved these figures. It seems > anything above 60% is hard to arrive at using normal coils/capacitors. > > 73 de Mal/G3KEV > > Just checked my Class-E IRF150 amp into load. At 50W output :- Dc supply = 18.7v at 3.4A Efficiency = 78% John -- John GM4SLV IP90gg Clousta, Shetland |
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