Re: [time-nuts] 12.8 MHz OCXO

2012-11-24 Thread Dave G4FRE
I had a similar requirement a couple of years back. I ended up using a $10 VCXO, and a $20 Jupiter GPS. The circuit used was the one on page 12 of http://g4jnt.com/DDSVHFBeaconDriver.pdf by G4JNT. It just scraped in under $50 Dave Ww2r Message: 4 Date: Sat, 24 Nov 2012 09:01:25 -0700 From:

Re: [time-nuts] z3801 supply voltages

2009-09-26 Thread g4fre
All my current z3801 have a label on the back against the power connector saying 38-60V and indeed they do work over the whole range, i tried it! I chose a 48V psu and they have been running fine for years now At one time I assumed (from the k8cu site) that all z3801 were ~48V. That was

Re: [time-nuts] 5070B once more.... (actually electrolytics)

2009-05-23 Thread g4fre
I just got hit by this issue in my Dell GX270. Its the one i use for HPIB instruments/Heather. The video output disappeared. Doing a web search i found lots of posts on they used faulty capacitors. They didnt do a recall as it would lead to bad customer perception of Dells quality (they had