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Re: LF: Iron dust toroids and heating/H bridge

To: [email protected]
Subject: Re: LF: Iron dust toroids and heating/H bridge
From: DK7FC <[email protected]>
Date: Mon, 29 May 2017 11:18:19 +0200
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Hello G,

Am 26.05.2017 23:21, schrieb Graham:
The H bridge seems a interesting design, one point , the amp is on frequency , F in = F out ?
Yes, there is no divider stage in this design.
Composite driver  IC's  are available  for  the  H configuration,

Have  you looked at these ? ?,
As far as i know the ones which are cheap and available in small amounts are not suitable for 137 kHz and such power levels.
would seem to simplify construction , to a single out put transformer , whilst producing less harmonic power ... ?
A single housing will concentrate the dissipated power on one spot which is a disadvantage. I prefer the normal TO-247 components...
73, Stefan
Tnx -G,
G0NBD




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