DEVELOPMENT OF A HIGH PRECISION INTEGRATOR FOR ANALOG SIGNALS TO MEASURE MAGNETIC FIELDS IN REAL-TIME
2013
For the Magnetic Field Control of the synchrotron at the Heidelberg Ion Therapy Centre the magnetic fields are measured with a pickup coil along the beam pipe. The induced pickup voltage, corresponding to changes in the magnetic field, has to be integrated in real-time to determine the actual integral field. A high precision integrator has been developed to measure magnetic fields with an accuracy of 4ppm over 10 seconds. This new integrator has a very low drift and calibrates during the measurement. It is the fastest and most accurate integrator for integrating analog voltages in real-time.
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