[Elecraft] New KSYN3AUPG Installation

2015-02-20 Thread Mike Cox
I installed the new K3 synthesizer boards last night into s/n 398 (with sub Rx). The installation was very easy, requiring only the removal of the top cover and the old synthesizer boards. I didn't even remove the rig from the operating table, electing to sit my anti-static mat in front of the

[Elecraft] New KSYN3AUPG Installation

2015-02-21 Thread Mike Cox
After my initial report of "no obvious difference" in the receiver performance after first installing the new K3 synthesizers, I've now had the pleasure of using them in the ARRL CW DX contest on 40 meters last night. Let me preface my observations by saying that I normally run my DSP at 150 Hz

Re: [Elecraft] New KSYN3AUPG Installation

2015-02-20 Thread Wayne Burdick
Hi Mike, I'm glad this went well. Another customer who just did the installation tested transmit close-in phase noise before/after and saw pretty dramatic results. At +/- 0.5 kHz from the carrier, the new synth was down about -133 dBc, while the old was down about -115 dBc. (This reduction in

Re: [Elecraft] New KSYN3AUPG Installation

2015-02-20 Thread Phil Wheeler
Thanks, Mike. I was just about to disconnect all the stuff in back from mine! Phil W7OX On 2/20/15 3:26 PM, Mike Cox wrote: I installed the new K3 synthesizer boards last night into s/n 398 (with sub Rx). The installation was very easy, requiring only the removal of the top cover and the old

Re: [Elecraft] New KSYN3AUPG Installation

2015-02-20 Thread Al Gulseth
Wayne, I'd say this would be worth a free hat HI HI!! 73, Al On Fri February 20 2015 5:38:20 pm Wayne Burdick wrote: > Hi Mike, > > I'm glad this went well > > > On Feb 20, 2015, at 3:26 PM, Mike Cox wrote: > > I installed the new K3 synthesizer boards last night into s/n 398 (with > > sub

Re: [Elecraft] New KSYN3AUPG Installation

2015-02-21 Thread Alan Ibbetson
Another customer who just did the installation tested transmit close-in phase noise before/after and saw pretty dramatic results. At ± 0.5 kHz from the carrier, the new synth was down about -133 dBc, while the old was down about -115 dBc. Does the new synth use the same chip as the KX3? It's n