Description
An analog crystal filter based cavity emulator is modified with reverse biased varactor diodes to provide a tuning range of around 100 Hz. The piezo drive voltage of the resonance controller is used to detune the cavity through the bias voltage. A signal conditioning and summing circuit allows the introduction of microphonics disturbance from a signal source or using real microphonics data from cavity testing. This setup is used in closed loop with a cavity controller and resonance controller to study the effectiveness of resonance control algorithms suitable for superconducting cavities.
Primary author
Shrividhyaa Sankar Raman
(Fermi National Accelerator Laboratory)
Co-authors
Hitesh Shukla
(Fermilab)
Dr
Philip Varghese
(Fermilab)
