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Commit ea94680e authored by Evangelia Gousiou's avatar Evangelia Gousiou
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TDC calibration documentation added

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test/fmctdc1ns5cha/calibration/python/DAC_calibration.py
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## |
## Description Calibration of the TDC DAC IC2 that controlls the VCXO OSC2 which in turn |
## Description Calibration of the TDC DAC IC2 that controls the VCXO OSC2 which in turn |
## controls the main timekeeping unit of the TDC application, the PLL IC4. |
## The test is using the pendulum CNT-91 as pulse generator sending pulses with a |
## period of 9 ms. The higher the DAC value, the higher the TDC is measuring the |
## the pulse period; for example with the DAC at 1.25V the TDC measures the 9 ms |
## period as 4,999967682 ms, whereas with the DAC at 1.65V the TDC measures the 9 ms |
## period of 5 ms. The higher the DAC value, the higher the TDC is measuring the |
## the pulse period; for example with the DAC at 1.25V the TDC measures the 5 ms |
## period as 4,999967682 ms, whereas with the DAC at 1.65V the TDC measures the 5 ms |
## period as 5,000000309 ms. |
## In this test:
## 1) we start with a bisectomy algorithm to find a first DAC value that brings the |
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