LF: Re: Re: DATONG VLF converter

["Walter Blanchard" <blanch@pncl.co.uk>]

I've got one as well and anything over a  2m rod drives it into intermod. 
If you want it for 136 you'll need a fairly decent bandpass filter in front, 
the narrower the better.
Walter G3JKV.


----- Original Message ----- 
From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Tuesday, May 16, 2006 11:48 AM
Subject: LF: Re: DATONG VLF converter


> Hi Jo
> The Datong converter I had had a PP3 9volt battery installed. It was
> originally intended for listening to BC stations on an amateur rig at 
> 28MHz.
> I think it is notionally 10kHz to 500kHz ...there is a LP filter in the
> antenna. There is a circuit diagram on one of my web pages....the direct 
> URL
> is
> http://www.btinternet.com/~alan.melia/loscprob.htm#Datong%20VLF%20Converter
>
> It does not like to work from a big antenna and may need some attenuation 
> to
> avoid IMD products.
>
> Cheers de Alan G3NYK
>
> ----- Original Message -----
> From: Johannes Wilke <Johannes.Wilke@t-online.de>
> To: RSGB LF Group <rsgb_lf_group@blacksheep.org>
> Sent: 16 May 2006 11:32
> Subject: LF: DATONG VLF converter
>
>
> > Greetings all,
> >
> > I've found an old DATONG VLF converter without manual. Does somebody know
> > the supply voltage and frequency range?
> >
> > 73 Jo, DK2PH