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

2013-12-08 Thread ed breya
I have three of these units, and have been looking for the right manual for years. Thanks for this part, but I believe the SPTB is different from the FRK in the schematics and some of the construction detail - for example, since it's 5 MHz vs 10, that circuit is different, not just the crystal

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

2013-12-08 Thread Pete Lancashire
Is the Tektronix p/n on the unit ? it may be 119--xx On Thu, Dec 5, 2013 at 7:34 PM, Rex r...@sonic.net wrote: I have an SPTB-100. It seems to be a custom version of a standard FRK(LN) rubidium for Tektronics. I got mine around 2000. (Mine is an 88 date-code vs. your ancient 86

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

2013-12-06 Thread Jerome Peters
-boun...@febo.com] On Behalf Of Rex Sent: Thursday, December 05, 2013 4:35 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Efratom Rubidium SPTB-100/LN-001 info wanted I have an SPTB-100. It seems to be a custom version of a standard FRK(LN) rubidium

[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

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

2013-12-05 Thread Rex
I have an SPTB-100. It seems to be a custom version of a standard FRK(LN) rubidium for Tektronics. I got mine around 2000. (Mine is an 88 date-code vs. your ancient 86 version.) It didn't work initially because the internal Xtal oscillator wouldn't sweep through lock frequency. Changed a cap