Fwd: [Elecraft] K2/100 used with Collins 30L-1?

Thu Jan 16 19:17:01 2003

Begin forwarded message:

> From: George McKenzie <[email protected]>
> Date: Thu Jan 16, 2003  15:54:30 America/Vancouver
> To: peter barville <[email protected]>
> Subject: Re: [Elecraft] K2/100 used with Collins 30L-1?
>
> Hi Peter -
>
> Not yet - but I hope to - Im but building K2/100 #3118!
>
> The Collins 30L-1 antenna relay switches at nominally minus 170 volts 
> at 70 ma - the K2 needs a positive voltage I expect - I dont have the 
> PA100 kit yet  -
>
> However - you might be interested in the Harbach website - 
> http://www.harbachelectronics.com -  which shows a couple of mods 
> useful for the 30L-1 - including a "soft-key" kit which uses an 
> optocoupler to isolate the exciter from the amplifier -
>
> GL - 73 - de George VA7GM/VE7McK
>
>
> On Thursday, Jan 16, 2003, at 12:29 America/Vancouver, peter barville 
> wrote:
>
>>
>> Just wondered if anybody has experience of using the K2/100 in
>> conjunction with a Collins 30L-1.
>>
>> I'm hoping the KPA100 switching line (rated at 200v) will cope happily
>> with the antenna change-over relay of the Collins, which I think sits 
>> at
>> about 120v (but I'm not sure of its current rating).
>>
>> A true mix of the modern, with the not so modern!
>> -- 
>> 7K2, peter g3xjs
>>
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>