10mhz rubidium build

  • GPS Disciplined Frequency StandardElectronics DIY

    The first GPSDO to appear in the amateur press was by Brooks Sheera W5OJM described in QST July 1998. A lower stability simpler version suitable only for low data rate signalling on the LF bands was published by myself in Radio Communication October 2002.

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  • 10Mhz Reference. Which one to trust GPSDO vs Rubidium

    10Mhz Reference. Which one to trust GPSDO vs Rubidium Page 1 of 2 36 posts Go to page 1 2 Next Previous topic Next topic Author Message 4thDoctorWhoFan Post subject 10Mhz Reference. Which one to trust GPSDO vs Rubidium

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  • How-To DIY 10 MHz Atomic Clock Make

    This week David has done it again with this excellent guide to building your own atomic clock from a used rubidium oscillator Efratom Model M-100 Rubidium Frequency Standard (RFS) oscillators are widely available in the surplus market. Units on eBay commonly sell in the 150 to 200 range.

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  • Hacking a FE-5680B rubidium reference clock Hackaday.io

    The seller s description of this object is "FEI fe-5680b rubidium oscillator With 1pps 20mhz output ONLY/10mhz NEED to MOD" and it includes pictures showing the PCB.The "NEED to MOD" part makes it clear that the box must be opened. The 1pps signal should be

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  • Build a 10MHz Rubidium Frequency Standard and Signal

    Aug 03 2013 · Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp for my Lab By gerrysweeney on August 3 2013 December 23 2018 49 Comments Having gotten myself a Rubidium Frequency Standard I found that the unit on its own is not that useful its really just a component and needs really a supporting PSU and a decent enclosure to make it

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  • 10Mhz Frequency StandardPage 1EEVblog

    Jul 05 2013 · 10Mhz Frequency StandardPage 1. EEVblog Electronics Community Forum I was going to build a disciplined oscillator but I think the drift should be small enough for just periodic manual adjustment. and assuming the rubidium is 10 Mhz (which is a whole different assumption) it should be . Hz if I am right. Thanks Alan

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  • Antique Radio Forums • View topicMy LPRO Rubidium

    My LPRO Rubidium Oscillator Test Page 3 of 3 48 posts Go to page Previous 1 2 3 Previous topic Next topic Author Message Don_S Post subject Re My LPRO Rubidium Oscillator Test. Posted Dec Wed 30 2015 1 53 pm . Member Joined Dec Sun 02 2007 3 20 pm Posts 1724

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  • uBITX Transceiver semi-kit build QRZ Forums

    Aug 16 2018 · One thing to note early in the build you wire up the power connector power up the uBITX main board and check the current draw. Weird but I don t have this problem on any of my other radios. Next I tried using my 10Mhz rubidium standard but had the same issue as using the WWV source. Fine Lets try 7.200 Mhz from my signal generator.

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  • A Homebrew Rubidium Oscillator ClockHackster.io

    A homebrew rubidium oscillator clock. The next step will be to build the digital divider module which I will do the traditional way using many 74LS90 74LS74 74AC04 etc. digital divider module to buffer the 5 Mhz 1 MHz 100 kHz and 1 PPS outputs. All four flip flops are fed with the raw 10 MHz output signal from the Rubidium

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  • VE2ZAZGPS-Derived 10MHz Frequency Standard

    A 10MHz/5MHz OCXO rate selection based on the state of pin 21. High (default floating) state is 10MHz Low (grounded) state is 5MHz. Selection is made at power up only. appreciate reading back from the experimenters who build this project. This will allow me to improve this page by providing additional clarification if necessary.

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  • A homebrew rubidium oscillator clock

    Jul 10 2010 · The next step will be to build the digital divider module which I will do the traditional way using many 74LS90 74LS74 74AC04 etc. This module will deliver 10 MHz 5 MHz 1 MHz 100 kHz and 1 PPS outputs on its front plate.

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  • GPS locked 10MHz lab frequency reference Hackaday.io

    I wanted to build a 10MHz frequency reference for some time now. Because I can t easily get my hands on a Rubidium frequency standard a GPS derived reference seems like a good alternative. This was inspired by YouTube videos by Gerry Sweeney and Scullcom Hobby Electronics.

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  • FE-5680Agerrysweeney

    Aug 03 2013 · Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp for my Lab If you have or want to play with an FE-5680A Rubidium Frequency Standard or an OSCILLOQUARTZ OCXO 8663-XS or a HP 53131A Counter or a Racal Dana 1999 counter or similar then this video will most likely be of interest 🙂 what I am trying to get is a predicable

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  • Lucent RFG-M-RB Frequency Standard

    Mar 03 2014 · Lucent RFG-M-RB 10M 10MHz Rubidium Frequency Standard and Signal Distribution Amp Build a 10MHz Rubidium Frequency Standard and Signal

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  • Reasonably priced dual-master clock (10Mhz) Rb and OCXO

    Nov 19 2018 · to be extremely low. It also uses several of the features in my OP21 custom build from a while back including the copper base plate internally and other nifty features. This is a 3-output top of the line master clock that should meet the needs of many people looking for 50-ohm or 75-ohm output in a reference class 10 Mhz device..

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  • OH2NLT 10MHz Rubidium reference oscillator

    10MHz Rubidium reference oscillator. OH2NLT 07.04.2011 . Used Rubidium oscillators are already reasonable priced and in the reach of hobbyists. I purchased EFRATOM LPRO-101 module from the Ebay. When calibrated frequency accuracy can be as high as 5x10exp-11. To build complete lab reference power supply and 10MHz distribution amplifier is also

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  • Antique Radio Forums • View topicMy LPRO Rubidium

    Rubidium is a secondary standard. 10Mhz Sine output (DC isolated from chassis ground) Frequency lock status indicators (front rear and interior) Rubidium lamp voltage indicator This wasn t exactly cheap to build but it was a fun project/ see parts below. The mother board has room for expansion so maybe someday a Mark II version

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  • DIY High Stability Timebase Hack For 25. Why Frequency

    Sep 23 2013 · DIY High Stability Timebase Hack For 25. Why as good as a rubidium frequency standard build like we have seen in used to upgrade any lab gear which depends on a simple 10 MHz

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  • CLKIN port connect 10M square wave or sine wave · Issue

    Jun 26 2015 · GitHub is home to over 40 million developers working together to host and review code manage projects and build software together. Sign up. New issue Have a question about this project A 10MHz Rubidium frequency standard like a FE-5680A

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  • Rubidium disciplined 10MHz OCXOXS4ALL

    For a handful USD the following Rubidium 10 MHz standards were purchased via eBay and flea-markets Efratom FE5680ALPRO-101AT T (new unused spare part) A well known limitation of Rubidium standards is the relatively high nearby noise and/or spurious at the carrier expressed in dBc/Hz. This was clearly noticed by measuring the above

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  • A Simple 10 MHz Frequency Standard amateurradio

    A good frequency standard should be part of every well equipped ham shack. I use a GPSDO for my standard per handy gadget. Has two outputs and is perfect for use as a standard on rigs that accept an external 10Mhz reference input.

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  • 10MHz Rubidium Standard Hackaday.io

    I wanted to give my Rubidium 10 MHz oscillator a nice home. Some addons would be nice alsoparticularly a distribution amplifier for the analog 10 MHz reference outputs. A set of CMOS outputs would also be helpful. Finally I really like my homebuilt comb generator so why not build that in and have an accurate comb source for RF work

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  • mhz rubidium 300cafe-toko

    Efradom Rubidium 10 MHzFreeReference = 10 MHz output from the GPS disciplined Tekelec Epsilon ClockLocking a 106.5 MHz OCXO in a 10 GHz transverter with the most stable 10 MHz source possible and without the use of a GPS-DOAfter a roughly x100 multiplication in the LO chain it generates the adequate transverter LO (with either 144 or 432 MHz IF).

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  • Rubidium 10Mhz standardPA4NL

    Rubidium 10Mhz standard. I have both a Rubidium time standard on e-bay. This is a atomic clock when warm extreme stable I will use this to stabilise the 23cm transverter FT-817 for EME and my AirSpy spectrum analyser.

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  • 10 MHz Rubidium FE-5680AKA7OEI

    Bottom Left Inside the 10 MHz rubidium frequency reference using the FE-5680A. On the left mounted in the lid is the FE-5680A and inside the box is the switching voltage converter (near the top) and the 10 MHz filter/distribution amplifier and status indicator near the bottom.

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  • microcontrollerDIY rubidium clock construction

    DIY rubidium clock construction. Ask Question Asked 4 years 7 months ago. Active 4 years ago. Viewed 2k times 6. 1 begingroup I recently found my way onto a Datum x72 rubidium standard and had half a mind to turn it into a homebrew atomic clock since I m not exactly using it for a garage-based satellite business. If it s a 10 MHz

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  • Thoughts on my new frequency standard G4DBN

    Dec 29 2016 · Thoughts on my new frequency standard December 29 2016 smithn Leave a comment I have an Efratom 10MHz Rubidium standard I found on ebay it runs 24/7 on a Meanwell switchmode PSU which feeds a pair of 12V 4AH gel-cells and a low-drop-out 24V regulator.

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  • d.i.y. 10 MHz Atomic Clock Frequency Standard Using

    The unit provides a pure and stable 10 MHz sinusoidal signal from a 10 MHz voltage-controlled crystal oscillator (VCXO) which is referenced and locked to the hyperfine transition of Rubidium 87. The reference element is an optically-pumped integrated rubidium 87 Rb vapor cell contained within the "physics package."

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  • Low Cost 10Mhz Frequency Reference -Use Arduino for Projects

    Nov 22 2014 · I was looking at a low cost way to build a 10Mhz frequency for my electronics lab. I had a few options that I could pursue these were GPS Disciplined Crystal Oscillator (GPSDO) Rubidium atomic standard (RbXO) Caesium atomic Standard Oven Controlled Crystal Oscillator (OCXO)

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  • 10MHz Rubidium Standard Hackaday.io

    I wanted to give my Rubidium 10 MHz oscillator a nice home. Some addons would be nice alsoparticularly a distribution amplifier for the analog 10 MHz reference outputs. A set of CMOS outputs would also be helpful. Finally I really like my homebuilt comb generator so why not build that in and have an accurate comb source for RF work I re

    Get Price
  • ADA 6 300MX HVgerrysweeney

    Aug 03 2013 · Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp for my Lab By gerrysweeney on August 3 2013 December 23 2018 49 Comments Having gotten myself a Rubidium Frequency Standard I found that the unit on its own is not that useful its really just a component and needs really a supporting PSU and a decent enclosure to make it

    Get Price
  • A Homebrew Rubidium Oscillator ClockHackster.io

    A homebrew rubidium oscillator clock. The next step will be to build the digital divider module which I will do the traditional way using many 74LS90 74LS74 74AC04 etc. digital divider module to buffer the 5 Mhz 1 MHz 100 kHz and 1 PPS outputs. All four flip flops are fed with the raw 10 MHz output signal from the Rubidium

    Get Price
  • 10MHz OCXO Frequency Standard Module or Kit from IR

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  • Turning A Rubidium Standard Into A Proper Tool Hackaday

    Aug 05 2013 · You can find rubidium frequency standards all over eBay and various surplus dealers. They re actually quite interesting devices able to generate a 10 MHz

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  • RUBIDIUMrf imaging

    this is a 10-mhz rubidium freq standard we have started building these units in february. voltage of the units are 110 volts/220 volts 24/volts we can build it in a desk top unit like the one in the picture or a rack mount unit. units can have from 1-10 10/5-mhz outputs

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  • 10MHz reference-frequency clock Electronics Forums

    May 26 2013 · Seems all the designs I can find online are of most nominal frequencies BUT 10MHz. Considering how cheaply they can be purchased now as well as other interests of mine (which I ll keep secret for now ) I m planning on building a rubidium 10MHz reference standard for calibrating my ham radio designs other projects.

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