  Until April 2007 the MAGIC telescope used a 300 MSamples/s FADC system to
sample the shaped PMT signals produced by the captured Cherenkov photons of air
showers. Different algorithms to reconstruct the signal from the read-out
samples (extractors) have been implemented and are described and compared.
Criteria based on the obtained charge and time resolution/bias are defined and
used to judge the different extractors, by applying them to calibration, cosmic
and pedestal signals. The achievable charge and time resolution have been
derived as functions of the incident number of photo-electrons.
