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This paper presents the design of a Power Electronics Building Block (PEBB) based on 1.7 kV SiC MOSFET power modules. The PEBB is an H-bridge converter module that can be cascaded to construct multilevel converters. Novel designs including gate driver with Rogowski shortcircuit protection, powerful distributed controller, isolated A/D sensor with high common-mode noise rejection, double-side cooling...
An improved active-quenching circuit and a linear counting circuit used for a silicon single photon avalanche diode (SPAD) are presented in this paper. The proposed quenching circuit is fast and compact. The linear counting circuit can achieve 10 bit large count range with a small capacitor, which can effectively reduce the area of pixel. Due to the significant advantages of low-cost, compactness...
This paper presents a parallel readout circuit for high density single photon avalanche diode (SPAD) pixel array. Each pixel consists of analog quenching circuit and counting circuit. Column parallel readout method is adopted and every eight columns of array pixel shares one multiplexer where the analog output signals of these pixels are selected to pass it subsequently. After that, the signals will...
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