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1. Zero adjustment
Before using the measuring instrument, it is necessary to perform zero adjustment. Zero adjustment is to instruct the input signal in the internal circuit of the PA8000 high-prec...[Details]
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Preface In the previous section, we completed the construction of the 51 single-chip microcomputer development environment. In this section, we will formally learn the 51 single-chip microcomputer. T...[Details]
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This is a stereo audio amplifier circuit that will provide 12W of audio power output on each channel. The circuit is built on a single IC TDA1521 or TDA1521Q and supports a small number of external...[Details]
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The new R&S SMB100B microwave signal generator
from Rohde & Schwarz (hereinafter referred to as "R&S")
is available in four frequency ranges, ranging from 8 kHz to 12.75 GHz, 20 GHz, 31.8 GHz ...[Details]
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Electric power
In the case of voltage and current related reference direction, electric power p can be written as p(t)=u(t)i(t)
p 0 indicates that the component absorbs elect...[Details]
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On March 10, 2022, Cailianshe reported that CICC believes that the extreme performance of silicon carbide substrates is better than that of silicon substrates and can meet application requirements un...[Details]
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The figure shows a W7800 positive integrated voltage regulator and a W7900 negative integrated voltage regulator, which form a positive and negative power supply application circuit with W7800. The c...[Details]
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July 30 news: Qualcomm disclosed today that the company and Huawei have reached a new licensing agreement. Qualcomm did not disclose the specific content of the agreement, but revealed the relevant a...[Details]
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Abstract: The working principle and control method of three-phase four-leg inverter are described.
Keywords: Three-phase Inverter with Four Bridge Legs
1 Introduction
The three-ph...[Details]
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1 Main features of TC790A
TC790A is a single synchronous three-phase digital trigger circuit, suitable for three-phase half-controlled and fully-controlled bridge thyristor rectifier triggering and...[Details]
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Turning the time back to 2019, Velodyne, the creator of lidar, officially laid off most of its staff in China and announced that it would no longer directly sell lidar in China, where the market is b...[Details]
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In the future, Europe will build a large number of battery assembly plants, but it is clear that the commercialization of battery cells has lagged behind for many years. In the second half of the gam...[Details]
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0 Introduction
Embedded systems have been widely infiltrated into various fields of people's work and life. Embedded processors have accounted for 94% of the market share of decentralized proce...[Details]
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Going overseas is becoming a new goal for China's local automobile industry chain and the focus of a new round of market competition. Official data shows that China exported 4.91 million complete v...[Details]
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Main technical indicators of speakers
The speaker market is full of mixed goods, with prices ranging from tens of yuan to thousands of yuan. How to choose a suitable speaker according to your appli...[Details]
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