Hi, Martin. Thank you - that is great to hear. I will give that a try and see. I didn’t realize that I could actually tune above 30MHz directly, although I had not even tried.
VY 73! Chris Cox, N0UK [email protected] > On Nov 13, 2020, at 3:02 AM, Martin <[email protected]> wrote: > > Chris, > i'm using a 22MHz I/F for my 432MHz Transverter ( 102.5MHz *4 + 22=432MHz.) > With the signal on 432, i transmit into a 13cm transverter for QO-100. I > didn't change anything on my K3 other than buying the Transverter/RX-Antenna > Board. So , no, it is not required to wideband the K3. > OTOH, i found there is no 'general coverage' . The specifications drop when > you move too far off and at a certain point, transmit fails. I suspect this > also happens to the receive parameters, but you should give it a try. IIRC , > it IS possible to tune above 30MHz, so you should try a I/F 28-32MHz with > your 116MHz crystal and see how you get away. > > If you modify your transverter anyway , You may want to try a cheap solution: > Buy a Si5351A Clock Breakout Board or similar. It can be programmed to output > the frequency you need and i think is even more stable than the original > crystal which drifts a lot. > With a miniature computer like a arduino nano or attiny, you can build a > clock source you can switch 116 / 118 Mhz . Or any other frequency. > > Am 13.11.20 um 09:05 schrieb [email protected]: >> Message: 21 >> Date: Thu, 12 Nov 2020 16:08:33 -0600 (CST) >> From: Chris Cox<[email protected]> >> To:[email protected],[email protected] >> Subject: [Elecraft] K3 transverter connector question >> Message-ID:<[email protected]> >> Content-Type: text/plain; format=flowed; charset=US-ASCII >> Good day. >> I am considering recrystalling my 2m transverter with a 118MHz rock >> replacing the existing 116MHz crystal, thereby permitting full two metre >> band coverage with a 26-30MHz I/F. >> Does the K3 need to be widebanded to enable low-level 26-28MHz RF on the >> transverter transmit port or is the low-level output available by default? >> -- Chris Cox, N0UK, G4JEC [email protected] > > -- > 73, Martin DM4iM > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
