Are there any test results available for the other mods suggested in Gian's paper?
Thanks 73, Mike, W3IP Sent from my iPhone On Mar 1, 2013, at 1:22 PM, Giancarlo Moda <[email protected]> wrote: > Hi Wes, > > thanks for your note. > > Yes, it is the second mixer that needs improvement. I have the mods on paper > and we are waiting for a volunteer to lend us a K3 for some time ... this > will need soldering work...hi > > I will keep you posted once tested > > 73 > > Gian > I7SWX > > > > > >> ________________________________ >> Da: Wes Stewart <[email protected]> >> A: "[email protected]" <[email protected]>; "[email protected]" >> <[email protected]>; Giancarlo Moda <[email protected]> >> Inviato: Venerdì 1 Marzo 2013 19:02 >> Oggetto: Re: [Elecraft] K3 mods by I7SWX >> >> >> It's the second mixer that needs improvement. >> >> Wes N7WS >> >> --- On Fri, 3/1/13, Giancarlo Moda <[email protected]> wrote: >> >> >>> From: Giancarlo Moda <[email protected]> >>> Subject: Re: [Elecraft] K3 mods by I7SWX >>> To: "[email protected]" <[email protected]>, "[email protected]" >>> <[email protected]> >>> Date: Friday, March 1, 2013, 10:18 AM >>> >>> >>> Hi Milverton, >>> >>> I am not sure about your question, sorry. >>> >>> It is not a pitch to Elecraft, if I understand what you are asking for. I >>> am not doing business but enjoying fiddling with radio... certainly we have >>> to recuperate the investment and cover the assembler job. The kits are >>> available for interested > Hams. >>> >>> Thanks and best 73 >>> >>> Gian >>> I7SWX >>> >>> >>> >>> >>> >>>> ________________________________ >>>> Da: "[email protected]" <[email protected]> >>>> A: Giancarlo Moda <[email protected]>; "[email protected]" >>>> <[email protected]> >>>> Inviato: Venerdì 1 Marzo 2013 17:56 >>>> Oggetto: Re: [Elecraft] K3 mods by I7SWX >>>> >>>> >>>> Is this a sales pitch to Elecraft, or just to interested parties? >>>> Or, could it be directed at both? >>>> Not in any way > discounting the mods, just wondering. >>>> >>>> ((((73)))) Milverton. >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>>> ________________________________ >>>>> From: Giancarlo Moda <[email protected]> >>>>> To: "[email protected]" <[email protected]> >>>>> Sent: Friday, March 1, 2013 7:40 AM >>>>> Subject: [Elecraft] K3 mods by I7SWX >>>>> >>>>> >>>>> >>>>> Dear Twan, >>>>> >>>>> thank you very much for your comment. >>>>> >>>>> Wayne is right with his reply. >>>>> >>>>> >>>>> Also right is the comment from Keith, XE3/K5ENS >>>>> >>>>> Then again if > you want your K3 to be one of the top .1% these mods will help. >>>>> >>>>> >>>>> Certainly these are not mods for "normal" user, but those "looking for >>>>> the hair in the egg" any little improvement can make a difference. >>>>> >>>>> Please let me explain how the idea to modify the K3 started. I have dome >>>>> mods for many commercial equipments from the 70's to the beginning of >>>>> this century. >>>>> >>>>> >>>>> I was very curious to see if it could be possible to squeeze out some >>>>> additional performances from the K3. Certainly, I was not expecting any >>>>> "flashing results" like obtained on the above equipment. I discovered >>>>> that the K3 had a removable mixer... what a chance, a way to fiddle with >>>>> a nice system without going to impair a warranty or damage the radio. >>>>> >>>>> One Italiam OM, IT9BLB, of >>> well known Contest stations IT9BLB, IH9P and IR9Y, told me that they had >>> some difficulties to copy > week station with the K3 while their modified FT1000MP (more complex mods) > was making easier the copy. That pushed me to do a trial and I went ahead > with my friend Sergio, IK8TNG. From what we thought interesting results we > designed a swappable H-Mode Mixer and made it available assembled and > tested to operators without the need to use a soldering iron. Then I studied > some additional changes, experimented already in all the other modified radio. >>>>> >>>>> >>>>> If you do really like to see changes, and you have no money for a K3 but >>>>> you possess a K2, then you will need to use a soldering iron and apply >>>>> similar mods to it. The problem is space availaibility. >>>>> >>>>> You asked Elecraft "Are there any plans in the near future to build a >>>>> new mixer module with this technology? " I am not the one to answer, but >>>>> I do not see any problem >>> why Elecraft could not use the H-Mode Mixer in their > expected (?) new "K4" in the 2 transformer I7SWX configuration or in the > original 3 transformer G3SBI, using the FST3125 or the FSA3157 switches. >>>>> >>>>> Note for Eric and Wayne, my configuration is available for you, I will >>>>> request only a few million $$$$$ ... hi >>>>> >>>>> The H-Mode Mixer is in the public dominium, probably the only "legal" >>>>> aspect is reference to the inventor, G3SBI, and maybe to me for the 2 >>>>> transformer one. >>>>> >>>>> >>>>> Best 73 >>>>> >>>>> Gian >>>>> I7SWX >>>>> >>>>> >>>>> Message: 17 >>>>> Date: Thu, 28 Feb 2013 13:00:12 -0800 >>>>> From: Wayne Burdick <[email protected]> >>>>> To: "Twan at pa0kv.nl" <[email protected]> >>>>> Cc: [email protected] >>>>> Subject: Re: [Elecraft] K3 mods by I7SWX >>>>> Message-ID: <[email protected]> >>>>> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes >>>>> >>>>> Twan, >>>>> >>>>> The K3 is one of the highest-performance radios available (very high >>>>> on everyone's list, including Sherwood's). A small additional >>>>> improvement in one or two parameters may be of interest to a few >>>>> operators. The other 99.9% of K3 owners do not need to make any >>>>> modifications. >>>>> >>>>> 73, >>>>> Wayne >>>>> N6KR >>>>> >>>>> On Feb > 28, 2013, at 12:33 PM, Twan at pa0kv.nl wrote: >>>>> >>>>>> Hi! >>>>>> I just read all about the I7SWX mods and I was wondering what >>>>>> Elecraft's point of view is in this? >>> Are these mods really a major improvement? (Are is it 'crap'..) >>>>>> Are there any plans in the near future to build a new mixer module >>>>>> with this technology? >>>>>> What about the other mods; >>>>>> - terminating the filter bank >>>>>> - PSU voltage regulator noise >>>>>> >>>>>> As allways.. very interested in K3 improvements 8-) >>>>>> >>>>>> 73's Twan - PA0KV >>>>>> >>>>>> K3 - 1770 >>>>> >>>>> >>>>> Message: 20 >>>>> Date: Thu, 28 Feb 2013 13:32:03 -0800 (PST) >>>>> From: Keith-K5ENS <[email protected]> >>>>> To: [email protected] >>>>> Subject: Re: [Elecraft] K3 mods by I7SWX >>>>> Message-ID: <[email protected]> >>>>> Content-Type: text/plain; charset=us-ascii >>>>> >>>>> Then again if you want your K3 to be one of the top .1% these mods will >>>>> help. >>>>> >>>>> >>>>> 73, >>>>> >>>>> Keith, XE3/K5ENS >>>>> >>>>> -- >>>>> View this message in context: >>>>> http://elecraft.365791.n2.nabble.com/K3-mods-by-I7SWX-tp7570516p7570520.html >>>>> Sent > from the Elecraft mailing list archive at Nabble.com. >>>>> ______________________________________________________________ >>>>> Elecraft mailing list >>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>>>> Help: http://mailman.qth.net/mmfaq.htm >>>>> Post: mailto:[email protected] >>>>> >>>>> This list hosted by: http://www.qsl.net >>>>> Please help support this email list: http://www.qsl.net/donate.html >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
