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Frequency Standards

10 MHz when compared to a conventional rubidium standard. Historically, the lifetime of rubidium frequency standards has been dominated by rubidium depletion in the discharge lamp. To avoid excess flicker noise, manufacturers would load less than 100 µg of rubidium into spherical discharge lamps.

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Stanford Research PRS-10 Rubidium Frequency Standard | eBay

Find many great new & used options and get the best deals for Stanford Research PRS-10 Rubidium Frequency Standard at the best online prices at eBay! Free shipping for many products! ... Wavetek 3520 Synthesized Signal Generator 1 MHz-2200Mhz used. $235.00. …

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SRS PRS-10 Low Output Level - Page 1

Re: SRS PRS-10 Low Output Level. If you believe the schematic, there should be 1.41 Vpp at the output. There is a 7:2 turns ratio in the output transformer, so there should be about 5Vpp at the primary side. Prior to that there are some passives and then the output of an LM7171 (U101) that is stated to have an 11Vpp output.

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Saturated Absorption Spectroscopy

For our rubidium levels, ∆E ≈ 2.5 × 10−8 eV or Γ ≈ 6 MHz.1 The stimulated emission and absorption processes are also described by a transition rate—a single rate giving the probability per unit time for a ground state atom to absorb a laser photon or for an excited state atom to emit a laser photon. The stimulated transi-

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10M Rubidium Atomic Reference Generator | Antelope Audio ...

The new Audiophile 10M Atomic Clock is a 10MHz rubidium atomic reference generator that, paired with Antelope's renowned clocking algorithm, delivers astonishing audio quality. 100,000 times more stable than a typical crystal oscillator, the hyperfine energy levels of the non-radioactive rubidium core enable high-precision timing to 0.03 ...

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Stanford Research PRS10 Rubidium Oscillator (Pre-Owned ...

- AUD $545.00 - The Stanford Research 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 coefficients …

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Cesium Clock and Frequency References | Microsemi

5071A Cesium Frequency Standard. Frequency Accuracy up to ±5e-13. Long term stability up 1e-14. Up to 6 RF and 3PPS outputs. Up to 2 1PPS inputs. Battery backup and Time of Day. 10 year warranty on standard tubes. 5 year warranty on high performanc tubes. MTBF: >160,000 hours.

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E10-X | Quartzlock

The Quartzlock E10-X Desktop Rubidium Frequency Reference, is a miniature Atomic Clock with 10MHz sine-wave 50 Ohm output. Operating from an external 12Vdc, this miniature enclosure, only 103 x 55 x 122mm has all the performance needed for on-site calibrations, referencing and portable transfer standard applications.

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Frequency & Time Standards - Pendulum Instruments

GPS-12R/12RG. GPS-disciplined Rubidium clock. Internal battery option for transportation and mains-free field use. 1-pps, 5 MHz, 3x 10 MHz, 2x 1.544/2.048 MHz standard outputs. Plus 4x optional outputs. User friendly front panel operation, selectable for eight languages. Use of both GLONASS and GPS gives better signal coverage (GPS-12RG)

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Esoteric G-02 clock - your thoughts | Audiogon Discussion ...

From a web surf it seems that the G-01 uses a Stanford Research Systems PRS-10 10 Mhz rubidium core. The G-02 has a cheaper Spectratime LCR-900 core. If your transport/DAC can't directly accept a 10mHz sine wave as a master clock, you would need to add a distribution amplifier that outputs Word Clock in multiples of 44.1kHz and 48kHz.

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KA7OEI - 10 MHz Rubidium Reference

Figure 2: Top Left: Inside the enclosure containing the 10 MHz Rubidium frequency reference. The Efratom LPRO-101 unit is partially visible in the background, mounted to the lid. The LM2577-12 19 volt up-converter can be seen soldered to the circuit board mounted to the wall of the box.

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GMRT TIME & FREQUENCY SYSTEM

the NMEA data is made available on a D-type connector. All other signals, 10 MHz frequency reference, 1 pps, 1 ppm are derived from the PRS-10 Rubidium oscillator. The 10 Mhz clock signal from the Rubidium oscillator is provided on two output ports on the rear side of the FTS unit using a …

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Microsemi TimeProvider 1000 | NTP Server/Client from MHz

E1, 2.048MHz, T1, 1.544MHz, CC. NTP server/client with MD5 authentication. 1 and T1 span line retiming. SNMP management. Key Benefits. Small footprint suitable for small or medium sized central offices. Flexible configuration: functions as a stand alone PRS with redundant rubidium and quartz clocks or as an SSU/BITS shelf.

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Oscillator Options for Meinberg Receivers - Rubidium, OCXO ...

Oscillator List. Due to space restrictions not all oscillators are supported for all form factors. The accuracy in Hertz is based on the standard frequency of 10 MHz. For example: Accuracy of TCXO (free run one day) is ±1·10 -7 ·10MHz = ± 1 HZ. The given values for the accuracy of frequency and time (not short term accuracy) are only valid ...

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TimeSource® 3550 Enhanced PRTC

• Rubidium holdover • T1, E1, 2.048 MHz, and 10 MHz inputs and outputs • 1 PPS and TOD output ports • Sync status messaging on E1/T1 ports • Integrated sync monitoring of input ... PRS quality holdover is up to 72 hours without the use of additional input references. GPS Antenna and Cables

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Meridian II T1/E1 Primary Reference Source

stable PRS, a usable clock can be recovered even after multiple hops. PRS stability depends upon the software algorithms and the system oscillator. The Meridian software has specialized frequency control algorithms that maximize the stability of the outputs. Specifications for the available OCXO and Rubidium oscillators are in the chart below.

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10MHz Rubidium reference source for frequency counter

Taking into account that rubidium source has a better short range stability than OCXO or GPSDO I hope to find an external rubidium as 10 MHz reference source instead of internal OCXO of counter. If my reasoning is not right could you please correct them as I am not an expert in this area.

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Frequency Standards

10 MHz when compared to a conventional rubidium standard. Historically, the lifetime of rubidium frequency standards has . been dominated by rubidium depletion in the discharge lamp. To avoid excess flicker noise, manufacturers would load less than …

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Frequency Standards

10 MHz when compared to a conventional rubidium standard. Historically, the lifetime of rubidium frequency standards has . been dominated by rubidium depletion in the discharge lamp. To avoid excess flicker noise, manufacturers would load less than 100 µg of rubidium into spherical discharge lamps.

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Bench 10MHz Reference Project - Need OCXO Advice - Page 1

The PRS-10 is a very nice rubidium, but the internal time interval counter circuit has a basic resolution of 400 ns (runs of a 2.5 MHz oscillator). They get 1 ns res using an analog interpolator. That interpolator is subject to things like temperature changes and component drift.

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10 MHz Rubidium FE-5680A - KA7OEI

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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10MHz Rubidium Standard - YouTube

Short video of a Rubidium frequency standard running on my workbench. During the video, I have to deal with my walking around my bench. I compare the sta...

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Stanford Research PRS-10 Rubidium Frequency Standard | eBay

Find many great new & used options and get the best deals for Stanford Research PRS-10 Rubidium Frequency Standard at the best online prices at eBay! Free shipping for many products! ... SRS Stanford Research Systems DS335 3.1 MHz Synthesized Function …

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Stanford Research PRS10 for Sale|Frequency Standards ...

The Stanford Research 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 …

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RUBIDIUM ATOMIC FREQUENCY STANDARDS

**01 50.255055 MHz Sine Wave 03 5 MHz 04 15 MHz 05 13 MHz 06 2.048 MHz 07 10.23 MHz ***08 Customer Frequency **Nominal Frequency ± 5x10-8 ***1 Hz to 10 MHz sq. wave, TTL Comp., 5 MHz to 20 MHz sine wave. OPTION TEMPERATURE RANGE 36-44 Consult Factory (from -55°c to +85°c) 5

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Personal radio service - Wikipedia

In China, Hong Kong and Macau, the Public Radio Service is a personal radio service similar to the American-style FRS. Twenty UHF channels near 409 MHz are allocated. Sometimes this is called "Citizen Band" or CB in China, but not to be confused with the Citizens Band radio within the 27 MHz band. FRS/GMRS or PMR446 radios are not approved for use in China.

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Network Synchronization of Metro and Access Layers with ...

Holdover Oscillator Rubidium Quartz Physical Size Constraints Of little concern Very tight ... ETSI, ANSI, Telcordia ITU, ETSI, ANSI, Telcordia Integrated PRS No Yes Synchronization Output Types T1, 1.544 MHz, E1, T1, 1.544 MHz E1, 2.048 MHz, CCK, 8 KHz 2.048 MHz, CCK, 8 KHz ... • Exceeds all established PRS and SASE/BITS standards ...

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Spectratime SRO-100 Rubidium Oscillator - Orolia

Spectratime SRO-100 Rubidium Oscillator. The slim SRO-100 is a smart, low cost GPS/GNSS-disciplined rubidium oscillator (GPSDO), integrating complex synchronization functionality all in one low-cost, super-small package. Get a Quote.

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Stanford Research PRS-10 Rubidium Frequency Standard | eBay

Find many great new & used options and get the best deals for Stanford Research PRS-10 Rubidium Frequency Standard at the best online prices at eBay! Free shipping for many products!

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TimeSource 3500 - Syncworks

up to eight T1/E1/2.048 MHz outputs programmable on a per port basis. Applications The TimeSource 3500 system can be configured as a PRS to front-end, an office BITS or as a stand alone PRS with 10 outputs for remote or small offices. In the stand alone configuration, TimeSource 3500 provides up to 10 T1 outputs in a compact, inexpensive package.

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