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Frequency Response of the CCC

Frequency response for the various Magnicon single-stage SQUID's, assuming pickup core, flux transformer and RC-filter of CERN implementation.

TransferFunction_MagniconSQUIDs.png

Li
[nH]		 1/Mi
[uA/Phi0]		 Sb
[Phi0/uA]		 BW
[kHz]		 Slew-rate
[Phi0/us]
27 2.30 5.80 7.34 2.79
65 1.30 8.94 3.33 2.18
150 0.82 10.99 1.81 1.55
400 0.50 10.87 1.11 0.97
1000 0.30 9.27 0.88 0.65
1800 0.23 7.33 0.80 0.47

Low-pass filter in calibration loop

Specification:

Cutoff frequency: 10Hz

Butterworth  Order: 5th order

Slope: - 80dB at 100Hz

-- MiguelFernandes - 2016-03-08

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