Re: [time-nuts] Efratom Rubidium SPTB-100/LN-001 info wanted

2013-12-06 Thread Jerome Peters
es I wrote up. You can get it here: http://www.xertech.net/pub/SPTB-100%20notes.pdf I also uploaded it to KO4BB for future references. If anyone knows more or sees any problems with what I wrote up, please let me know and I'll correct or update. -Rex KK6MK On 12/4/2013 7:08 PM, Jer

[time-nuts] Efratom Rubidium SPTB-100/LN-001 info wanted

2013-12-05 Thread Jerome Peters
Hello, Can anybody shed some light on this particular model: Model - SPTB-100/LN-001 Efratom part No. 703-200-11 Date Code 8609 (I have looked at K04BB's website, it has lots of other models, but not this one). Thank You, Jerome AF6UX ---

[time-nuts] info on Vectron Crystal Oscillator Model 224-5136, 48MHz

2012-10-04 Thread Jerome Peters
I could not find any info on the Vectron Crystal Oscillator Model 224-5136, 48MHz so I decided to open one up and share what I have been able to figure out. Currently I have two questions: supply voltage, and Adj voltage range? There are seven solder lugs in a semi-circle, it looks like a mirror

[time-nuts] Prologix GPIB adapter w/Tektronix TDS320

2011-09-09 Thread Jerome Peters
Has anybody had success with the Prologix GPIB adapter and Tektronix TDS320 scope? 1st goal is screen capture/plot 2nd goal would be to control the scope I have had good results using John Miles 7470.exe with a HP Spectrum analyzer, however I can't get it to work on the TDS320. I have also had g

Re: [time-nuts] Cycling of Peltier junction

2010-09-09 Thread Jerome Peters
Wow, So many people have helped - Thanks! I see your point, it can be done without changing the polarity, just control how much heat is carried away... very interesting. Regards, Jerome -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of

[time-nuts] Cycling of Peltier junction

2010-09-09 Thread Jerome Peters
Does anybody know about using the same Peltier junction for both heating and cooling? I'm concerned about thermal/mechanical shock when changing the polarity back-n-forth between hot and cold. Maybe there needs to be a controlled ramp, if so then how do I figure out the rate? Why: I'm in the p

Re: [time-nuts] OT - HP 5183A Waveform Recorder - is it worth playing with?

2010-06-03 Thread Jerome Peters
Just wanted to say "Thanks" to all those who commented on the HP 5183A Waveform Recorder ... I'm sure glad that I did not buy it and then ask :) Regards, Jerome -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of jimlux Sent: Wednesday,

[time-nuts] OT - HP 5183A Waveform Recorder - is it worth playing with?

2010-06-02 Thread Jerome Peters
Just curious about peoples experiences/thoughts about the HP5183A Waveform Recorder. It's a 2 channel 12 bit digitizer with 512K word memory, 3MHz max sweep rate (no display, HPIB must be used to transfer data). The sweep rate if pretty slow for a lot of applications, but the 12bit of vertical r

[time-nuts] EZGPIB writing to a file - disk thrashing

2010-05-17 Thread Jerome Peters
When using the Prologic USB-to-GPIB adapter and the EZGPIB (Ulrich Bangert) software to log results of HP5334A to a file - do you worry about thrashing your hard drive? If for example you are taking one measurement per second, then does it make sense to try to queue-up 60+ measurements before wr

[time-nuts] OT - RF Mailing list

2010-02-16 Thread Jerome Peters
Is there a RF Mailing list that anybody would like recommend? I am mostly interested in homebrew lower frequency (500KHz - 220MHz) range --- This email message is for the sole use of the intended recipient(s) and may

Re: [time-nuts] Loran C shutdown

2009-11-10 Thread Jerome Peters
Is Loran C used with GPS to help make land surveying more accurate? I thought I read something about using both systems together. --- This email message is for the sole use of the intended recipient(s) and may contai

[time-nuts] GPIB on HP5382B counter

2009-10-23 Thread Jerome Peters
I'm still trying to get the HP5328B counter to work with GPIB. I don't have any problems talking, however I can't receive data. I think the basic (HP/Agilent) hardware/software are ok, with a similar type of program I am able to send/receive to a 34401 Digital Multimeter. It "seems" like it sh

Re: [time-nuts] Getting GPIB to work on HP5382B Universal counter

2009-10-14 Thread Jerome Peters
I have not yet met with success, but I have a little more experience ;) Since so many people have made helpful suggestions, I thought I'd include the current status. Just downloaded the most recent version of NI-488.2 version 2.5 off the NI website. It downloaded/unzipped/installed without any

Re: [time-nuts] Getting GPIB to work on HP5382B Universal

2009-10-13 Thread Jerome Peters
:37:34 -0700 From: Jerome Peters Subject: [time-nuts] Getting GPIB to work on HP5382B Universal counter To: "'time-nuts@febo.com'" Message-ID: Content-Type: text/plain; charset="us-ascii" Hello, I'd very much appreciate any help that I can get in settin

[time-nuts] Getting GPIB to work on HP5382B Universal counter

2009-10-13 Thread Jerome Peters
Hello, I'd very much appreciate any help that I can get in setting up a HP5328B to communicate over GPIB. The goal is to log/graph the frequency over time of various VFO's projects I'm working on. I am using the Agilent 82357A USB to GPIB Interface, I have the manual for the counter, so I know