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Calibration of high precision oscillators using the TV line frequency as a frequency standard

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2 Author(s)
Pesic, M.T. ; Fac. of Electron. Eng., Nis, Serbia ; Arsic, M.Z.

This paper describes a method for the calibration of high precision oscillators using the received TV line frequency, multiplied to 1 MHz, as a frequency standard. Since the TV system is synchronized by an atomic frequency standard, the TV line frequency preserves the excellent long-term frequency stability of the atomic reference. The phase comparison between the standard frequency and frequency of the oscillator to be calibrated is performed at 1 MHz. A complete schematic diagram of the linear phase comparator is also presented. The linearity of the comparator itself was found to be of the order of 0.1% or better. A relative frequency difference of the order of 10-11 could be measured over a period of ≈1000 seconds

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Telecommunications in Modern Satellite, Cable and Broadcasting Services, 1999. 4th International Conference on  (Volume:1 )

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