Figure 2: Schematic of the major functional blocks ontained within a Medipix2 pixel. A fast charge event on the input is amplified and shaped by the preamp, discriminated, and counted at the shift register (if Shutter is disabled). The digital number count is clocked out at high rate through the shift registers of the pixel column when Shutter is enabled. Digital configuration bits are input through this same shift register to control thresholds, masking, and electrical testing.
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