2008-11-21 Temperature sensor versus PT1000

One of the tests we do on the temperature sensing ASIC is to measure the difference between the device and a PT1000.

A number of samples is taken from both and then on the resulting two arrays, we do a first-order fit. The offset should be 0 and the gain should be 1 otherwise an error has crept into either. For each ASIC sample, we repeat this procedure.