Re: [time-nuts] Unexpected problem found

2016-10-28 Thread Magnus Danielson
Hi, On a related note, I remember when Pendulum was testing a rubidium and it had more jitter than motivated by the integrated phase-noise slopes, so they where curious about it. As I had just brought in my SIA3000 for them to have fun with, I hooked it up and already in the oscilloscope view

Re: [time-nuts] Unexpected problem found

2016-10-28 Thread Bob Camp
HI Probably what is going on is that the OCXO’s have a parasitic oscillaton in the UHF region. It has injection locked to the 10 MHz. You get a signal that is much higher level than any harmonic relation would predict. I’d try fiddling the bypassing and load …. Bob > On Oct 28, 2016, at 8:4

[time-nuts] Unexpected problem found

2016-10-28 Thread Joseph Gray
This really is Time Nuts related. Keep reading. I recently bought some surplus Motorola UHF mobiles. They came with the previous frequencies blanked and only channel one programmed with 460.000 MHz. I put all of them on the bench to do a quick test to see if they transmitted and received. Upon po