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This paper reports standardization activities in CISPR and introduces newly developed limits and measurement method of conducted disturbances at the DC ports of Grid Connected Power Converters (GCPCs) applied to solar-photovoltaic power (PV) generating systems. First, background of standardization activities on the development of the limits and measurement method is described. Second, the two proposals...
An on chip active magnetic field probe has been developed for IC chip-level magnetic near field measurements. A low noise amplifier (LNA) and a loop coil were implemented in 0.18 μm Si-CMOS technology, and solder-bonded to PCB to complete the probe. Its gain is 13.3 dB at 2 GHz. The probe is applied for magnetic near field evaluation of a test element group (TEG) chip that emulates Long Term Evolution...
As new NAND specification such as Toggle 2.0 has been standardized and developed, supply voltage has been reduced from 3.3V to 1.8V because of the adoption of high-speed I/O. Accordingly, due to issues of the backward compatibility with previous specifications and the power budget, voltage regulator implemented in a package should supply the power to the I/Os. In this paper, we propose the advanced...
Advanced encryption standard (AES) cores suffer from information leakage through power supply currents, even with the wave dynamic differential logic (WDDL) known as one of the most tolerable countermeasure design styles against side channel attacks (SCA). The set of plaintexts having bitlevel biased activities are produced with a known secret key and used for diagnosing the vulnerability of AES cores...
In order to investigate the generation and propagation mechanism of electromagnetic interference (EMI), near electro-magnetic (EM) fields have been measured. In many cases, magnitude of the fields is often measured. But if we can measure the fields in complex domain (magnitude and phase), we can get more information of EMI. we discuss the basic concept for the 6-port network used here, and then the...
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