This seems like a lot of trouble just to avoid using a 10a bifilar
choke in the heater leads.
On Mar 5, 2005, at 8:41 AM, Paul Hewitt wrote:
> Hi Gerald
> Eimac recommends the Siemens B1-C145 for the 3CPX5000. I believe
> Phil, K5PC, has looked for this and found it obsolete, not sure what
> he crossed it to. I'm using a Bourns 2035-09-B, (90v) for the lower
> drive amps and the 150 volt gaps for the two tube amps. Mouser stocks
> a wide selection of the Bourns discharge tubes, Mouser#
> 652-2035-09-B, (90 volt 20KA.) I believe I measured the internal
> capacitance of these gaps at 1-2pf.
>
> 73, Paul
>
> PAUL HEWITT
> WD7S PRODUCTIONS
> QRO HOMEBREW COMPONENTS
> http://home.earthlink.net/~wd7s
>
>
>
> ----- Original Message -----
> From: TexasRF@aol.com
> To: wd7s@earthlink.net ; amps@contesting.com
> Sent: Saturday, March 05, 2005 8:15 AM
> Subject: Re: [Amps] Alpha 77Dx -Adding Grounded Grid Filament Choke
>
>
> Hi Paul, please pass along the information about where to purchase
> these gas discharge devices and to get more info about them.
>
> Perhaps this is what we need for our mid size tetrodes used at 432
> and 1296MHz for screen grid to anode flashover protection.
>
> Tnx/73,
> Gerald K5GW
> _______________________________________________
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> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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