It should be noted that the design of the LTC6957 can support operation down to –20dBm at 10MHz and the –10dBm specification in the datasheet was driven by ATE limitations. Most parts can do –30dBm, but limiting …Web

Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp for my Lab By gerrysweeney on August 3, 2013 December 23, 2018 51 Comments Having gotten myself a Rubidium Frequency …Web

Building a 10Mhz GPS Disciplined Oscillator (GPSDO) using the Trimble Thunderbolt for the Ham Radio Shack. ... (Usually quartz or rubidium based) oscillator whose output is controlled/disciplined to agree with the signals broadcast by GPS satellites. ... Lashed 2 bamboo poles and ran the wire to build a 60m vertical. YJ0AA YJ0MN Efate …Web

The RFS10E is a 10 MHz rubidium frequency standard with many options as described below. An optional input allows the RFS10E to be locked to a 1 pps signal such as GPS, …Web

Design & Build Parts Electronic Design Equipment & Tools Construction Tips Software Tools Build Guides. ... I also have a small 10MHz rubidium oscillator somewhere that I never did hook up. Maybe I should get to that someday. All it needs is a small 24v DC source and a cabinet. Numerous rubidium sources can be found on eBay.Web

The PRS10 is an ultra-low phase noise, 10 MHz rubidium-disciplined crystal oscillator. The device fulfills a variety of communication, synchronization, and instrumentation requirements. The phase noise of the 10 MHz output is low enough to be used as the reference source for synthesizers. The unit's short-term stability and low environmental ...Web

The Quartzlock A1000 rubidium frequency reference is a 10 MHz, high‐stability Rubidium frequency standard with flexible output options and very low cost of ownership primarily …Web

August 5, 2013 Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp for my Lab You can find rubidium frequency standards all over eBay and various surplus dealers. They're...Web

GPS - 10MHz Figure 2: Noise of a commercial disciplined rubidium clock (GPSDO). Vertical scale: 5 ×10-11 Hz/Hz. Proposed system The proposed system is formed by a GPSDO, a rubidium clock, a universal counter and a computer that controls all the system. Fig. 3 shows a block diagram of the system. The output frequency (10Web

Description. The RFS10F is a 10 MHz rubidium frequency standard with many options as described below. An optional input allows the RFS10F to be locked to a 1 pps signal such …Web

The 10 MHz signal from the FE-5680A is first terminated at 50 ohms and attenuated by a 10-ish dB pad consisting of R101-R103 before being applied to T101, a 10.7 MHz IF transformer, the Mouser 42IF129 with a 100 ohm input and 15k output impedance with a built-in (fixed) resonating capacitor.Web

Description. I wanted to give my Rubidium 10 MHz oscillator a nice home. Some addons would be nice, also - particularly a distribution amplifier for the analog 10 …Web

10MHZ clock distribution. « on: August 07, 2013, 10:03:34 pm ». i am trying to get a 10MHZ sign wave distributed to four outputs. i have few op amps at my disposal which i would like to use, these include: MC33282,AD841,OPA627,MC34080,LM118. now looking at the data sheet for these op amps i can see that almost all can handle …Web

The auction site has delivered to my home two pieces of equipment to be used for a 10Mhz reference. 1) Rubidium standard = Lucent RFG-M-RB. 2) GPSDO = One of the newer BG7TBL units with the blue LCD screen. For both of these units, who knows when the last time they were calibrated. After a few days of burn in, the two units are about 50 ...Web

The circuit looks surprisingly simple and usually costs less than $30 to build, depending on how you piece it together. ... If you can run an Arduino on 10MHZ you can have a "nuke clock ...Web

I wanted to give my Rubidium 10 MHz oscillator a nice home. Some addons would be nice, also - particularly a distribution amplifier for the analog 10 MHz reference outputs. A set of CMOS outputs would also be helpful. …Web

The Symmetricom X72 is a very small rubidium oscillator. It outputs 10 MHz, 60 MHz, 1PPS, and has a programmable ACMOS level output signal. It is usually available for a decent price. The main problem with them is it requires an obsolete, rather unobtainium Molex connector to connect to it.Web

Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp. Check Details. DIY 10 MHz Distribution Amplifier Requirements Gathering Page 1. Check Details. Build a 10MHz Rubidium Frequency Standard and Signal Distribution Amp. Check Details. KA7OEI's blog A 10 MHz OCXO (Ovencontrolled Crystal Oscillator)Web

The Quartzlock E10-GPS is a GPS Disciplined rubidium oscillator is the most cost effective way to maintain the high time and frequency accuracy required for todays demanding applications. ... All outputs are derived …Web

There are a couple of different variants of these rubidium frequency standards. FE-5650A Option 58 is what you have. It only has the 20-pin connector, no other connector, and some modifications are needed. …Web

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) So to make a choice on what I should use I …Web

The FE-5680A Rubidium Frequency Standard runs from a 15V and 5V power supply and has outputs for a 10Mhz sine wave, 1 …Web

The portable 10 MHz Rubidium frequency reference. Click on the image for a larger version. For a similar page about the FEI FE-5680A rubidium reference, click here. Note: Unlike …Web

Now compare that to the rubidium oscillators used in Antelope 10M clock, Jay's Audio 10MHz clock and Esoteric G-0Rb: Antelope 10M (Spectratime LCR-900 rubidium oscillator): -80dBc/Hz @ 10Hz Jay's Audio (FE-5680A rubidium oscillator): -100dBc/Hz @ 10Hz Esoteric G-0Rb (SRS PRS10 rubidium oscillator): -130dBc/Hz @ 10HzWeb

3. There are a couple of different variants of these rubidium frequency standards. FE-5650A Option 58 is what you have. It only has the 20-pin connector, no other connector, and some modifications are needed. These devices do work, you can use them fairly easily, but if you want a 10 MHz analog output some modifications are needed.Web

Building a bench 10MHz reference: part 1. Many electronics test equipment need an accurate time base. Most often, it's build on a 10MHz base. For quite a while now, I have a used rubidium frequency and time reference (Efratom Model LPRO-101) waiting for a nice enclosure. I also have a small Extron Electronics video signal amplifier I thought I ...Web

upgraded to an internal Rubidium atomic oscillator that keeps the S200 accurate to 25 microseconds per day. The SyncServer S200 is your answer to bringing perfect timing to your network. Key Features • High-bandwidth NTP time server • Stratum 1 operation via GPS satellites • 3 independent Ethernet ports • High-resolution displayWeb

I know rubidium standards are on ebay for ~$120 (nobid) but i have had a concept running around my head for years for a high accuracy lab 10mhz reference and i want some input. Well first you would start with a 100MHZ oven compensated crystal with an external adjust pin (found one on ebay for $25 nobid) you take that in an cheap and …Web

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 …Web

This is an OCXO 10MHz Frequency Standard module with high stability VFC. There are 4 options available: Option A - Complete unit, with OCXO calibrated against our Rubidium standard (note 1); Option A1 - Complete unit, with OCXO & Basic Calibration; Option A2 - Complete unit, with OCXO & No Calibration; Option B - Populated PCB, …Web

Hello Bob, Yes, it uses a (recycled) square wave 5V 10MHz OCXO. The oscilloscope trace is exactly that, taken from the output of the OCXO. The visible ringing is due to a mismatch between the low impedance output of the OCXO and the high impedance of the 10x scope probe, but it doesn't affect the stability of the GPSDO one bit (or one Hz, …Web

The RFTGm-II-Rb which contains a Datum LPRO 10MHz Rubidium Oscillator (10MHz) The RFTGm-II-XO which contains a 10MHz OCXO and a GPS receiver. and a 6-way signal splitter which takes its input from whichever of the two boxes is currently providing the 15MHz signal (IOW it has two inputs and six outputs). The 1PPS signal is …Web

The FE-5680A Rubidium Frequency Standard runs from a 15V and 5V power supply and has outputs for a 10Mhz sine wave, 1 PPS (pulse per second), and a lock status that goes low when the output …Web

I used a 10MHz crystal oscillator and divided it down to 1PPS. Then, just like Adam mentions, I counted up the pulses and used 7-segment displays to display the hours, minutes, and seconds. The reason I used the 10MHz source, was to obtain very high accuracy. There is no reason a "more accurate" source could not be used (your …Web

June 4, 2018. [Martin Lorton] acquired a GPS-disciplined oscillator. He wasn't quite sure what to do with it, so he did a little research and experimentation. If you have about two hours to ...Web