Stability of the Master Oscillator for FLASH at DESY

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26 4 MASTER OSCILLATOR Phase Noise [dBc/Hz] −60 −80 −100 −120 −140 −160 10 0 −180 10 1 10 2 10 3 10 4 Offsetfrequency [Hz] Figure 22: Phase noise of freerunning 81 MHz VCXO 108 MHz VCXO characteristics tuning slope, tuning sensitivity and phase noise: Output Frequency [MHz] 108.344 108.342 108.34 108.338 108.336 108.334 108.332 108.33 0 1 2 3 4 5 Tuning Voltage [V] 6 7 8 9 10 Figure 23: Tuning slope of 108 MHz VCXO 10 5 10 6 10 7
4.2 Low Power Part 27 Sensitivity [Hz/V] Phase Noise [dBc/Hz] 2500 2000 1500 1000 500 Tuning Sensitivity 108 MHz VCXO 0 0 1 2 3 4 5 Tuning Voltage [V] 6 7 8 9 10 −20 −40 −60 −80 −100 −120 −140 −160 10 0 −180 Figure 24: Tuning sensitivity of 108 MHz VCXO 10 1 10 2 10 3 10 4 Offsetfrequency [Hz] Figure 25: Phase noise of freerunning 108 MHz VCXO A summary of the tuning sensitivity KV CO and the phase noise of the VCXO’s is given in table 3. 10 5 10 6
Page 1 and 2: Stability of the Master Oscillator
Page 3 and 4: CONTENTS 3 Contents 1 Motivation 4
Page 5 and 6: 1.2 Assignment 5 1.2 Assignment The
Page 7 and 8: 2.2 Transmission of amplitude - and
Page 9 and 10: 2.5 Integrated phase noise and timi
Page 11 and 12: 3.2 Drift measurement methods 11 3.
Page 13 and 14: 3.2 Drift measurement methods 13 Fi
Page 15 and 16: 3.2 Drift measurement methods 15 Fi
Page 17 and 18: 4.1 Overview 17 The frequencies req
Page 19 and 20: 4.2 Low Power Part 19 Figure 12: Lo
Page 21 and 22: 4.2 Low Power Part 21 fredquency [M
Page 23 and 24: 4.2 Low Power Part 23 Figure 17: Ph
Page 25: 4.2 Low Power Part 25 81 MHz VCXO c
Page 29 and 30: 4.2 Low Power Part 29 The circuit f
Page 31 and 32: 4.2 Low Power Part 31 The same has
Page 33 and 34: 4.2 Low Power Part 33 Magnitude (dB
Page 35 and 36: 4.2 Low Power Part 35 4.2.3 Divider
Page 37 and 38: 4.2 Low Power Part 37 fundamental 1
Page 39 and 40: 4.3 1.3 GHz and 2.856 GHz phase loc
Page 49 and 50: 4.4 High Power Part for amplificati
Page 51 and 52: Acknowledgements I would like to th
Page 53 and 54: Figure 61: Blockdiagram low power p
Page 55 and 56: Figure 63: Blockdiagram of 1300 MHz
Page 57 and 58: REFERENCES 57 References [1] vuv-fe

Stability of the Master Oscillator for FLASH at DESY

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