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29 de mai. de 2024 · This paper introduces a method to estimate the losses produced by high frequency DC/AC and AC/DC converters. This method relies on the frequency dependence of losses combined with a frequency domain description of current waveforms into component. The approach is based on the characterization of series components, available from manufacturers.
Há 18 horas · Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
Há 18 horas · Hello, In the datasheet of the 1.5 uH inductor "7440450015" from Würth Elektronik there is the typical impedance characteristics curve which I also attach here. However the impedance values well below the self-resonance frequency does not correspond to the real inductance of the inductor. For...
Há 18 horas · Sent out today as a fix for the Linux kernel's in-tree "cpupower" utility is properly handling P-State frequency reporting for upcoming AMD Zen 5 processors. The Linux cpupower utility lives within the kernel's source tree and is used for displaying processor power related values. It turns out the existing cpupower utility isn't properly ...
Há 18 horas · Rotating frequency is 3042 rpm maximum, and rated frequency of 2982 rpms. During high load operation we had a high vibration of motor on axial side. The value spiked to 8 mm/sec where, horizontal and vertical vibrations remained below 2.5 mm/sec. The vibrations were higher on the motor side.
Há 3 horas · On May 18, Kyrgyzstan witnessed an unforeseen riot against foreign students, who mainly come from Bangladesh, India, and Pakistan to study at medical universities in the capital Bishkek. Tensions escalated in Bishkek after a video of a brawl between foreigners and locals went viral on social media ...
Há 18 horas · A related question is a question created from another question. When the related question is created, it will be automatically linked to the original question.
