[Amps] Amps Digest, Vol 151, Issue 6

[Steve London]

Thanks everyone for the responses, both on the reflector and direct.

Is there any particular reason the L-C-L T-match is better or worse than 
the more standard C-L-C pi network in this application ?

Thanks,
Steve, N2IC

On 07/07/2015 11:55 AM, Steve via Amps wrote:
> Hi Steve,
>
> I converted an SB-220 to 6 meters for my friend Mike, UN8GC, and wrote up
> the results  in a QST article in April 2008. The input circuit I used was a
> T-match. Each inductor consisted of  10 turns of  #22 gauge  enameled wire,
> tuned with a 50 pf capacitor (which was mounted where the  bandswitch used
> to be. )
> Have fun!
>
>
> Steve  Gilbert
> K1SG
> K1SG at AOL.com
> 774-292-1948
>
>
> In a message dated 7/7/2015 12:23:19 P.M. Eastern Daylight Time,
> amps-request at contesting.com writes:
>
>
> Message: 3
> Date: Tue, 07 Jul 2015 07:21:14 -0600
> From:  Steve London <n2icarrl at gmail.com>
> To: amps at contesting.com
> Subject:  [Amps] SB-220 6 meter input network
> Message-ID:  <559BD24A.5070206 at arrl.net>
> Content-Type: text/plain; charset=utf-8;  format=flowed
>
> I am converting a previously-modified SB-220 to a 6  meter-only amp.
>
> The original input pi-network is long gone. Most of the  articles on
> conversion say stuff like "remove N turns from the original 10  meter
> input coil". Can anyone tell me component values for the 2  capacitors
> and the inductor for a 6 meter input network ?
>
> Thanks  and 73,
> Steve,  N2IC
>
>
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