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From: "mal hamilton" <g3kevmal@talktalk.net>
To: <rsgb_lf_group@blacksheep.org>
References: <001201ca9444$ed415810$0301a8c0@your91hoehfy9g> <3C7515D8E8B4467A8CF7A04C8C26F2C2@JimPC>
Date: Wed, 13 Jan 2010 16:27:06 -0000
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Subject: LF: Re: Re: DECCA 5501 tx
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Tnx Jim for reply, but since a class D with a resonated output L/C becomes a
single frequency tx it is getting close to class E design.
It would be interesting to observe the switching wave form while adjusting
L/C for resonance instead of just peaking for max output.
mal/g3kev


----- Original Message -----
From: "James Moritz" <james.moritz@btopenworld.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Wednesday, January 13, 2010 3:26 PM
Subject: LF: Re: DECCA 5501 tx


> Dear Mal, LF Group,
>
> In a class D circuit, optimum switching conditions occur more or less when
> the tank circuit is resonant.
>
> Cheers, Jim Moritz
> 73 de M0BMU
>
> -- Original Message -----
> From: "mal hamilton" <g3kevmal@talktalk.net>
> To: "rsgb" <rsgb_lf_group@blacksheep.org>
> Sent: Wednesday, January 13, 2010 11:38 AM
> Subject: LF: DECCA 5501 tx
>
>
> Does anyone know if the series L and C was tuned for resonance at the
> operating freq or meant to be adjusted for optimum switching
characteristics
> like in class E
> mal/g3kev
>
>