Re: [time-nuts] Anybody want a Thunderbolt power supply

2016-09-01 Thread Joakim Langlet
On 2016-09-01 05:35, Charles Steinmetz wrote: Bruce wrote: Low noise regulators for the +12V and +5V outputs would also be useful. Very true. By focusing on the -12v supply, I did not intend to suggest that low noise is unimportant on the +12v and +5v supplies. The suggestion to use

Re: [time-nuts] Shera revisted

2016-08-11 Thread Joakim Langlet
You are so right, Chris. The Zynq is absolutely an overkill for an ordinary GPSDO. What I think is attractive with the Zynq are the possibilities to experiment with different implementations of counters and gates without soldering and that you can get pretty fast counters well integrated with

Re: [time-nuts] Shera revisted

2016-08-10 Thread Joakim Langlet
Dear time-nuts, My name is Joakim Langlet (SM0OET) and I just recently joined this list. As Brooks Shera was mentioned, I remembered that I was referenced in the footnotes of the original article in the QST - July 1998. It feels almost historical now. Brooks bought a few OCXOs from me. I am