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Calibration and Measurement Capabilities
Time and Frequency
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
 
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Your selection : Time and Frequency
 
France, LNE-LTFB ( Université de Franche-Comté, Laboratoire Temps-fréquence de Besançon)
Complete CMCs in Time and Frequency for France (.PDF file)
Frequency. General frequency source, 1 MHz to 10 MHz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: 6E-13
Clock, frequency offset multiplier, counter
Frequency: 1 MHz, 2 MHz, 2.5 MHz, 5 MHz, 10 MHz
Averaging time: 1 000 s
Approved on 03 July 2019
Internal NMI service identifier: LNE-LTFB/14
 
Frequency. General frequency source, 0.1 Hz to 1.3E+09 Hz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: (8.5E-13 + 1.5E-06 / f), f in Hz, values range from 1.5E-05 to 8.5E-13
Clock, counter
Averaging time: 1 000 s
Approved on 03 July 2019
Internal NMI service identifier: LNE-LTFB/16
 
Frequency. Local frequency standard , -1E-09 Hz/Hz to 1E-09 Hz/Hz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: 1E-13
Direct comparison to local frequency standard
Averaging time: 1 d
Traceability to UTC(OP) is provided by GPS CV link
Internal NMI service identifier: LNE-LTFB/81
 
Frequency. Local frequency standard, 5.5E-12 Hz/Hz to 1E-08 Hz/Hz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: max(2 % ; 2/(N/t)1/2)
Disciplined frequency synthesizer
Frequency noise: < 1E-08
Averaging time, t: 0.1 s
Relative frequency difference: < 1E-11
Frequency, f: 5 MHz < f < 1.3 GHz
Measurement duration, N: N >= 100t
Frequency instability expressed by ADEV, rel. uncertainty of ADEV value in uncertainty
Approved on 03 July 2019
Internal NMI service identifier: LNE-LTFB/82
 
Frequency. Local frequency standard, 7.7E-13 Hz/Hz to 1E-08 Hz/Hz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: max(2 % ; 2/(N/t)1/2)
Disciplined frequency synthesizer
Frequency noise: < 1E-08
Averaging time, t: 1 s
Relative frequency difference: < 1E-11
Frequency, f: 5 MHz < f < 1.3 GHz
Measurement duration, N: N >= 100t
Frequency instability expressed by ADEV, rel. uncertainty of ADEV value in uncertainty
Approved on 03 July 2019
Internal NMI service identifier: LNE-LTFB/83
 
Frequency. Local frequency standard, 5.8E-13 Hz/Hz to 1E-08 Hz/Hz
Relative expanded uncertainty (k = 2, level of confidence ~ 95 %) in Hz/Hz: max(2 % ; 2/(N/t)1/2)
Disciplined frequency synthesizer
Frequency noise: < 1E-08
Averaging time, t: 10 s, 100 s
Relative frequency difference: < 1E-11
Frequency, f: 5 MHz < f < 1.3 GHz
Measurement duration, N: N >= 100t
Frequency instability expressed by ADEV, rel. uncertainty of ADEV value in uncertainty
Approved on 03 July 2019
Internal NMI service identifier: LNE-LTFB/84


 
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