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Re: LF: Title: Power MOSFET Knock Efficiency Up A Notch

from [Alan Melia] [Permanent Link][Original]
To: <[email protected]>
Subject: Re: LF: Title: Power MOSFET Knock Efficiency Up A Notch
From: "Alan Melia" <[email protected]>
Date: Tue, 22 Feb 2011 19:52:38 -0000
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References: <788033577-1298396905-cardhu_decombobulator_blackberry.rim.net-1949347720-@bda644.bisx.prod.on.blackberry> <[email protected]>
Reply-to: [email protected]
Sender: [email protected] 
Why stick to 12v ?? Best efficiency will always be at higher supply voltages
....also more tractable output impedances.
Alan G3NYK
----- Original Message ----- 
From: "Stefan Schäfer" <[email protected]>
To: <[email protected]>
Sent: Tuesday, February 22, 2011 6:24 PM
Subject: Re: LF: Title: Power MOSFET Knock Efficiency Up A Notch


> These FETs can be used as a very low-loss electronic switch in 12V
> circuits but are not suitable for a easy PA design (running at 12VDC).
> Maybe they are difficult to get. An alternative which is easy to get and
> is most suitable for a high power class E PA at 12 VDC is the IRF1404
> <http://www.datasheetcatalog.org/datasheet/irf/irf1404.pdf>
>
>
> 73, Stefan/DK7FC
>
> Am 22.02.2011 18:48, schrieb [email protected]:
> > Could these help in getting the efficiencies higher in LF amps?
> >
> > Granted, these are low power devices. Looks like they are on the right
track.
> >
> >
> >
> >
http://electronicdesign.com/article/power/Power-MOSFET-Knock-Efficiency-Up-A-Notch-.aspx?cid=ed_productsnewsletter&NL=1&[email protected]
> >
> > Sent via BlackBerry by AT&T
> >
>
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