[Heathkit] Soft-Start circuit for SB-1000

[Bill Kuhn]

Absolutely. I've shown my son what bad operation is like by listening to
the contesters.

-----Original Message-----
From: Carl [mailto:km1h at jeremy.mv.com] 
Sent: Sunday, November 29, 2009 12:00 PM
To: Bill Kuhn; heathkit at mailman.qth.net
Subject: Re: [Heathkit] Soft-Start circuit for SB-1000

You should be able to get experience in those this weekend, its CQWW.


----- Original Message ----- 
From: "Bill Kuhn" <BKuhn at kuhngroup.com>
To: <heathkit at mailman.qth.net>
Sent: Sunday, November 29, 2009 12:33 PM
Subject: Re: [Heathkit] Soft-Start circuit for SB-1000


> 
> Or for operating using good Amateur Radio practices.
> 
> -----Original Message-----
> From: Carl [mailto:km1h at jeremy.mv.com] 
> Sent: Sunday, November 29, 2009 10:19 AM
> To: Bill Kuhn; heathkit at mailman.qth.net
> Subject: Re: [Heathkit] Soft-Start circuit for SB-1000
> 
> Sounds like a good amp for contests...............
> 
> 
> 
> 
> ----- Original Message ----- 
> From: "Bill Kuhn" <BKuhn at kuhngroup.com>
> To: <heathkit at mailman.qth.net>
> Sent: Sunday, November 29, 2009 10:28 AM
> Subject: [Heathkit] Soft-Start circuit for SB-1000
> 
> 
>> I've finally started work on cleaning up an SB-1000 I purchased from
> an
>> estate last spring.
>> 
>> 
>> 
>> The amp had a couple of home-made modifications - one I'm pretty sure
> is
>> a soft-start circuit and the other is ??? maybe a QSK circuit?? What
>> appears to be a soft-start module looks to be fairly well
constructed,
>> but it is a breadboard so I'm assuming it is homemade. The other
> circuit
>> looks like a child got loose with a soldering iron, and has 2
dangling
>> leads that go nowhere. Because of that, I haven't even tried to power
> it
>> on. I think this also has a 10 meter mod.
>> 
>> 
>> 
>> My strategy is to pull out anything that doesn't match the
>> manual/illustrations/schematic and bring this back to a base SB-1000
> and
>> see if it works. If the board that appears to be a soft-start is in
> fact
>> usable, I guess I should leave it. The other circuit is out.
>> 
>> 
>> 
>> To my question (finally)..
>> 
>> 
>> 
>> Is there a good schematic available of what a soft-start circuit
> should
>> be and how it should be connected in an SB-1000? I'd like to verify
> what
>> I have.
>> 
>> 
>> 
>> Thanks!
>> 
>> 
>> 
>> 73 DE NO0OO
>> 
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