Re: [Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-25 Thread Wayne Burdick
Someday, let's say in the year 2185, a restorer of warp drives and old HF radios will stumble upon your cache of pristine KSYN3 modules and make your great-great-(...)-great grand-daughter an offer she can't refuse. So go ahead. Collect 'em :) 73, Wayne N6KR On Jun 25, 2015, at 9:47 AM,

Re: [Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-25 Thread Phil Wheeler
Ah, but the original KSYN3 does have a nice chunk of Aluminum attached :-) 73, Phil W7OX On 6/24/15 10:06 PM, Wayne Burdick wrote: Hi Steve, Not to throw cold water on this, but the original KSYN3 requires a ton of firmware support, including a hand-tweaked table of thousands of PLL

[Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-25 Thread inventor61 .
Based on the feedback I've received: -- Lots of people are willing to give away their old KSYN3 modules, for just the shipping costs -- No one has an immediate application for the devices other than their original purpose -- The fear I had that controlling these things was rather complicated

[Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-24 Thread inventor61 .
I printed out the schematic of the original K3 synthesizer module. The diagram says 'rev. A4' and is dated 8 Jan 2010. Hope that's close to the as-built! (probably is) This gizmo appears to have an output range from 8.7 to 46 MHz. I don't know how much sauce it can develop but I have to

[Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-24 Thread Johnny Siu
] ideas for re-purposing our old K3 synthesizers I printed out the schematic of the original K3 synthesizer module.  The diagram says 'rev. A4' and is dated 8 Jan 2010.  Hope that's close to the as-built!  (probably is) This gizmo appears to have an output range from 8.7 to 46 MHz.  I don't know

Re: [Elecraft] [K3] ideas for re-purposing our old K3 synthesizers

2015-06-24 Thread Wayne Burdick
Hi Steve, Not to throw cold water on this, but the original KSYN3 requires a ton of firmware support, including a hand-tweaked table of thousands of PLL divider values pre-calculated and stored in flash memory. We shoehorn the DDS reference signal through a 3-kHz wide crystal filter in