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A novel Hall dynamic offset cancellation circuit based on four-phase spinning current technique is introduced. The offset cancellation circuit of Hall sensor applies a novel configuration including four-phase spinning current modulator, instrumentation amplifier, correlated double sampling demodulator and adder, which effectively eliminate the offset and 1/f noise, and linearly amplify the Hall signal...
A synthesis methodology for multiple scan trees that considers output pin limitation, scan chain routing length, test application time and test data compression rate simultaneously is proposed in this paper. Multiple scan trees, also known as a scan forest, greatly reduce test data volume and test application time in SoC testing. However, previous research on scan tree synthesis rarely considered...
An interconnect-driven layout-aware multiple scan tree synthesis methodology is proposed in this paper. Multiple scan trees greatly reduce test data volume and test application time. However, previous researches on scan tree synthesis rarely considered routing length issues, and hence create scan trees with long routing paths. The proposed algorithm effectively considers both test compression rate...
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