Author Topic: Is it safe to open a defective 10MHz rubidium oscillator module?  (Read 3115 times)

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Offline carl_labTopic starter

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Is it safe to open a defective 10MHz rubidium oscillator module?
« on: February 28, 2018, 11:02:02 am »
I have a defective spectratime LPFRS-01 module laying on my bench, waiting for repair.
Unfortunately I do not really know, what kind of hazardous things could be inside the shielded aluminum can.

So, if somebody knows about some hazardous toxic material, radiation (microwaves, laser, radioactive...), high voltage or other dangerous things that could be used in such a module, please let me know!

« Last Edit: February 28, 2018, 12:21:17 pm by carl_lab »
 

Offline PA0PBZ

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #1 on: February 28, 2018, 11:15:04 am »
Completely safe as long as you are not trying to eat it all  ;)

Reference thread: https://www.eevblog.com/forum/repair/repair-temexspectratime-lpfrslpro-10mhz-rb-generator-(drifting-like-mad)/

TL;DR: replace the electrolytic caps.

Keyboard error: Press F1 to continue.
 
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Offline carl_labTopic starter

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #2 on: February 28, 2018, 11:40:12 am »
Thanks for your reply and the nice link to TiN's teardown!
« Last Edit: March 01, 2018, 03:33:32 am by carl_lab »
 

Offline Quarlo Klobrigney

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #3 on: February 28, 2018, 02:35:55 pm »
Keep the rubidium crystal away from incandescent lamps, especially if they are held in a bedspring.
The resulting beam can actually melt metal.
Voltage does not flow, nor does voltage go.
 

Offline carl_labTopic starter

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #4 on: February 28, 2018, 04:45:26 pm »
Keep the rubidium crystal away from incandescent lamps, especially if they are held in a bedspring.
The resulting beam can actually melt metal.

I do not understand, can you explain please?
 

Offline TiN

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #5 on: February 28, 2018, 05:10:26 pm »
That was a bad joke.
YouTube | Metrology IRC Chat room | Let's share T&M documentation? Upload! No upload limits for firmwares, photos, files.
 
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Online floobydust

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #6 on: February 28, 2018, 09:54:14 pm »
Product Safety Data Sheet (PSDS)  for Rubidium Oscillators

Joke is from a Star Trek espisode where Mr. Spock makes a laser and busts out of prison
 
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Offline Quarlo Klobrigney

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #7 on: March 01, 2018, 09:58:20 pm »
Sorry I couldn't help myself....
Voltage does not flow, nor does voltage go.
 

Offline carl_labTopic starter

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #8 on: March 02, 2018, 12:39:41 am »
No problem.  ;)
 

Offline texaspyro

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Re: Is it safe to open a defective 10MHz rubidium oscillator module?
« Reply #9 on: March 03, 2018, 05:33:01 am »
Lady Heather v6 Beta works with the LPFRS.

I have also done a replacement interface board for the LPFRS to connect it to my X72 BNC connector breakout board (it also works with LPROs).   The connector board has BNC or SMA connectors for sine wave output, PPS output, PPS input,  EFC input, and ACMOS square wave outputs.

The interface board has places for a PICDIV chip to generate a buffered 1PPS output,  a PICPET 100 ns res timestamping interval counter,  a stable adjustable EFC voltage,  and a buffered ACMOS level square wave 10 MHz output.   Hopefully the boards will be here in a few weeks.
 
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