Abstract
The characteristics of baseline restorers (stabilizers) at high count rates were investigated. The analyses included both of the basic types of baseline restorers: 1) the non-linear circuit realizations (BLR), and 2) the time-variant stabilizers based on the gated differentiator concept. The advantage of the TVS over the BLR was demonstrated. Two new count rate effects were described. One is the count rate dependence of the noise error introduced by the stabilizer. Another one is the count rate dependent low frequency noise, which causes a reduction of the effectiveness of baseline restorers in cancelling low frequency interference at high count rates.
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