Further to the topic of oscillator leakage on the Softrock, it has been discovered that there is an error in the PCB layout in the Softrock Ensemble series which increases the level of LO leakage, and adversely impacts performance.
The following mod is recommended for all new and existing Ensemble Softrocks: https://sites.google.com/site/g4zfqradio/softrock_ensemble_isolation_transformers 73, Matt VK2ACL. On 05/08/2012, at 12:31 PM, Don Wilhelm <w3...@embarqmail.com> wrote: > Unfortunately, Tony will not be offering the Softrock 62 with the > crystal for the K3 IF anymore. > > You can get one of the frequency agile Softrocks and set it to the K3 IF > frequency. > HOWEVER, I need to point out that you will also need some sort of buffer > between the K3 and the Softrock to keep from feeding the Softrock > oscillator signal back into the IF of the K3 (and reducing its > sensitivity. The Z10000 buffer amplifier from Clifton Labs is the > preferred solution. > > There is also a "ready-made" solution, and that is LP-Pan from > Telepost.com. That unit is well supported on the LP-Pan yahoo group. > LP-Bridge is also available that will allow you to connect several > applications to your K3 (or KX3) at the same time. > > The P3 does make a nice package for a panadapter, but there are lower > cost alternatives that may meet your requirements. > > 73, > Don W3FPR > > On 8/4/2012 6:17 PM, Nate Bargmann wrote: >> * On 2012 04 Aug 14:06 -0500, Tony Estep wrote: >>> On Sat, Aug 4, 2012 at 1:41 PM, Kevin Kleinfelter >>> <ke...@kleinfelter.com>wrote: >>> >>>> ...I've become attached to a 'waterfall' display... >>> ========== >>> The K3 has IF out, which can be used with a cheap Softrock to give you a >>> great display via NaP3 or other SDR software. >> Assuming a softrock can be found. Whenever I check the Web page the >> status is not available. Sending an email results in a reply of no >> availability planned. :-( Most likely the only source is someone >> selling one after they've decided to move onto something else. >> >> 73, de Nate, N0NB >> >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
