[Heathkit] Amp Keying Interface?

[kb0nly]

I found that out when i went over to the website.  I order the parts from 
Mouser to build one myself, $3.31 in components plus a few bucks for first 
class mail.  I have some solderable perf boards and just about everything 
else to make it.

Just have to find the special mini din plug for the standby jack on the 
FT-847, it looks like a 6 pin mini din used for the packet jack, but it has 
one pin missing, so i can't get by using another mouse or keyboard plug.

73,

Scott




----- Original Message ----- 
From: "Bob McGraw - K4TAX" <RMcGraw at Blomand.net>
To: "Stephen Goldberg" <w2imf at worldnet.att.net>; <heathkit at mailman.qth.net>
Sent: Tuesday, July 31, 2007 1:05 PM
Subject: Re: [Heathkit] Amp Keying Interface?


> Be advised that Harbach Electronics is closed due to health reasons and 
> not accepting orders at this time.
>
> A simple keying interface is a 12VDC coil relay with N.O. contacts 
> available from Radio Shack.  Enclose same in a small "project box" with a 
> couple of connectors of your choice.  The 12V is from the FT-847 and the 
> normal keying ckt and the N.O. contacts go to the SB-200.  The project 
> should cost about $6.00 for all the parts and then have the fun of 
> building something that works.
>
> 73
> Bob, K4TAX
>
>
> ----- Original Message ----- 
> From: "Stephen Goldberg" <w2imf at worldnet.att.net>
> To: "kb0nly" <kb0nly at mchsi.com>; <heathkit at mailman.qth.net>
> Sent: Tuesday, July 31, 2007 12:51 PM
> Subject: Re: [Heathkit] Amp Keying Interface?
>
>
>> www.harbachelectronics.com.  Soft key module $25.
>>
>> Steve W4IMF
>>
>> ----- Original Message ----- 
>> From: "kb0nly" <kb0nly at mchsi.com>
>> To: <heathkit at mailman.qth.net>
>> Sent: Tuesday, July 31, 2007 1:34 AM
>> Subject: [Heathkit] Amp Keying Interface?
>>
>>
>> Anyone know of a good design to interface the SB-200 to a modern radio, 
>> such as my FT-847?  I have been looking online and can't find much other 
>> than a few commercial products that seem to be far overpriced for what 
>> they are and I would like to build something myself.
>>
>> This isn't my first tube type amp, but its the first time I'm going to 
>> interface it to a modern radio, and I know the 847's circuitry can't 
>> handle the SB-200.
>>
>> Thanks and 73,
>>
>> Scott
>>
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>
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