RF systems: feedbacks, filters, spectra

Mikrofalony

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Jacek Jagosz, Julia Żuławska

Machinery - how are waves generated?

SPS Travelling Wave Structure - almost an RF Cavity SPS 200 MHz RF Combiner 2

Standing wave in RF cavities

Images from Accelerators for pedestrians, Baird, S, CERN. Geneva. AB Department

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Some cool calculations

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Synchronisation of time

Synchronisation of time from the InternetPython code of a client 5

Tuning RF cavity to achieve impedance match

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Cavity tuner:● observes voltage and

current● changes the shape of the

cavity using a motor

Digital filters - how & why?

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Example of a notch filter

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Bandpass FIR filters generated by usSome random signal

Registered signal (300 Hz sine)

And its spectrum after Fourier transform

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Feedback loop - simulated aquarium

Integrated error valueTemperatures10

Feedback loop

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Data collection - temperatures in offices

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Conclusion:

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