Author/Authors :
Alexeev، نويسنده , , G.D and Baturitsky، نويسنده , , M.A and Dvornikov، نويسنده , , O.V. and Khokhlov، نويسنده , , A.I. and Mikhailov، نويسنده , , V.A and Odnokloubov، نويسنده , , I.A. and Shishkin، نويسنده , , A.A. and Tokmenin، نويسنده , , V.V. and Zhirikov، نويسنده , , S.F.، نويسنده ,
Abstract :
The 32-channel Amplifier/Discriminator Board (ADB) has been designed for Mini-Drift Tubes (MDTs) used for upgrading the DØ Forward Angle Muon System (FAMUS) (Fermilab, Batavia, USA). The ADB signal channels are formed by eight ASICs: four transresistance amplifiers, Ampl-8.3, and four comparators, Disc-8.3. The ADB provides operation with adjustable threshold currents 0.5–5.0 μA. Low noise (60 nA at maximal MDT capacitance 60 pF) and small firing current dispersion provide the ability for detector robust performance at low levels of anode high voltage (below 3.4 kV). Over 50,000 channels have been produced and installed in the DØ experiment.
Keywords :
Mini-drift tubes , Muon detector , Transresistance amplifier , Front-end electronics , Discriminator
