IG-18 and IM-5258

[Charles W. Morehouse]

Thanks to Alex and Ron, now have a good copy.
Wayne;
W4GBW,

Ron wrote:

> See attached. Luckily, I downloaded it before it broke.
>
> -- Ron
>
>
>
> Charles W. Morehouse wrote:
>
>> Hi All,
>> Does anyone have page three of the mod?  Cannot download page three.
>> Wayne;
>> W4GBW
>>
>> Charles Seitz wrote:
>>
>>> Look near the bottom of this page for some IG-18 mods:
>>>
>>> http://web.archive.org/web/20040208014604/www.circuitarchive.fsnet.co.uk/heath.htm 
>>>
>>>
>>> ---  CHAS  WA2DYA
>>>
>>>
>>>
>>> ----- Original Message ----- From: "Greg Boye" <greg at BOWSER.COM>
>>> To: <HEATH at LISTSERV.TEMPE.GOV>
>>> Sent: Friday, January 28, 2005 13 42
>>> Subject: [HEATH-TEMPE] IG-18 and IM-5258
>>>
>>>
>>> I remember reading an article a year or two ago about someone making 
>>> some slight changes to an
>>> IG-18 audio generator to improve its distortion specs.  Does anyone 
>>> know where I can find this
>>> article or post on the web?  The reason that I am asking is that I 
>>> recently purchased an IM-5258
>>> Harmonic Distortion analyzer and I connected it to my IG-18 audio 
>>> generator the other night to
>>> check it out.  It measured my oscillator at 1% THD and I confirmed 
>>> it with using an older IM-58
>>> tube analyzer.  Looks like I will tear open the IG-18 tonight to see 
>>> what I can find.  While I am at it,
>>> I may want to perform the modifications at the same time.
>>>
>>> Thanks,
>>> Greg W8NGA
>>
>
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