7–17 Jul 2018
Cape Town
Africa/Johannesburg timezone

Waveform Digitzing and Signal Processing

10 Jul 2018, 15:00
1h 30m
iThemba LABS (Cape Town)

iThemba LABS

Cape Town

Old Faure Road, Faure Cape Town 7131 South Africa

Speaker

Stefan Ritt (Paul Scherrer Institut (CH))

Description

Data acquisition in nuclear and particle physics requires the precise measurement of signal amplitudes and time from detectors. This lecture first gives an overview of traditional methods using signal shaping, various discriminators and analog-to-digital converters (ADC) and time-to-digital converters (TDC). It then moves over to high speed waveform digitizing, a field which recently made tremendous progress due to faster ADCs and so-called switched-capacitor array integrated circuits. These novel devices allow the direct digitisation of detectors with several gigasamples per second (GSPS) and resolutions up to 12 bits. The lecture introduces various signal processing methods to extract the signal amplitude and time from detector signals in the presence of noise.

Presentation materials