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A high voltage mixed signal ASIC is described that provides multiple fully programmable clock outputs capable of driving large format CCD capacitive electrodes. The COMET ASIC provides 6 independent clock buffering channels each with individually programmable rising/falling current drive and high/low voltage levels. Output voltage levels are controlled with integrated fast response regulators that...
A 128-channel event-driven ASIC is described which reads out the R3B (Reactions with Relativistic Radioactive Beams) silicon micro vertex tracker. Ionizing particles with energies in the range of 40keV-50MeV are detected, digitized and read out with 12 bit resolution, and time stamped with up to 5ns precision. The ASIC copes with signal charges and detector leakage currents of both polarities and...
Noise in linear electronic circuits is well characterised in terms of power spectral density in the frequency domain and the Normal probability density function in the time domain. For instance a charge preamplifier followed by a simple time independent pulse shaping circuit produces an output with a predictable, easily calculated Normal density function. By the Ergodic Principle this is true if the...
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