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Bergoz Integrating Current Transformer, ICT
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 The Integrating Current Transformer (ICT) is a capacitively shorted transformer and a fast read out transformer in a common magnetic circuit designed to measure the charge in a very short pulse with high accuracy.
The ICT integrates the signal with a time constant of 1 to 20 nanoseconds, depending on the model. Eddy current losses are negligible and the instrument is a very linear integrator for the very high frequency spectrum typical of a bunched beam signal.
ICT can be embedded inside a conflat flange for direct
mounting on the beam pipe, for specifications and pricing on In-flange ICT please contact Ian Walker.
Photo of ICT with shield and wall current bypass removed courtesy of Lawrence Berkeley National Laboratory.
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Features
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Applications
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- Integrates a very fast pulse with rise time in the order of picoseconds with no significant loss
- The ICT magnetic core and associated windings are essentially noise free
- Measurement noise (measurement resolution) is determined by the signal processing
- Down to 0.1 nA rms noise with a preamplifier
- Input current rise time < 1 ps
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Ultra-short pulse charge measurement in linacs
- Slow extraction for medical therapy
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Calibration of gas ionization chambers
- Laser-plasma / wakefield acceleratorss
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