[Amps] looking for idea on switching arrangement

Ulf (SM0NOR) ulf at sm0nor.com
Mon Jan 31 08:14:25 PST 2011


Looke really, really nice. The whole build...

Where did you find that extra wafer/switch?


73's

Ulf (SM0NOR)
ulf at sm0nor.com



On 31 jan 2011, at 15.59, Jim W7RY wrote:

> Take a look at the photos of my amplifiers. This is how I did the exact system you are talking about.
> 
> http://s900.photobucket.com/albums/ac206/w7ry/
> 
> 73
> Jim W7RY
> 
> 
> 
> --------------------------------------------------
> From: "Ulf (SM0NOR)" <ulf at sm0nor.com>
> Sent: Sunday, January 30, 2011 11:51 PM
> To: "Amps reflector" <amps at contesting.com>
> Subject: [Amps] looking for idea on switching arrangment
> 
>> Hi all,
>> 
>> I'm looking for some suggestions on how to switch input together with output. I plan on using relays for the input so mechanical alignment is not a big issue. But I still have to switch DC control voltages. I have a salvaged Centralab band-switch (from an SB230, I think) to which I would like to attach another switch for the control voltages. I thought it would be easy to find an open design switch with a shaft that runs through the switch. But after searching around I came up with nothing. Most modern switches tend to be encapsulated.
>> 
>> Suggestions?
>> 
>> 
>> 73's
>> 
>> Ulf (SM0NOR)
>> ulf at sm0nor.com
>> 
>> 
>> 
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