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In order to select a new Standard Hash Algorithm (SHA-3) which supplies more security, a public competition was organized by NIST in 2007. Up to now, 14 candidates have passed the 2nd round. In this paper, we focus on two of these candidate algorithms, namely BLAKE and Shabal. We present the common structure for all the SHA3 candidates. We also design the VLSI circuit and give the hardware evaluations...
A novel curvature-compensated method is presented. The method is based on obtaining two CTAT (complementary to absolute temperature) voltages with identical non-linear term through control of the currents of PN junctions, which in theory can achieve an ideal non-linear compensation. Thus, this work focuses on the precise control of the collector current of P-N-P bipolar transistor, which makes the...
In this paper, a modified magic-T using substrate integrated waveguide (SIW) and slotline is proposed and developed for RF/microwave applications on the basis of the substrate integrated circuits (SICs) concept. The modified planar magic-T consists of an 180° phase-reversal T-junction and an H-plane SIW T-junction. An optimized wideband magic-T structure is demonstrated and fabricated. Measurement...
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