Masters, the gasoline pump used in Mercedes-Benz cars currently has three wires UVW coming out of the fuel pump computer to directly control the operation of the three-phase fuel pump. I took it apart...
I usually compare the performance of MCUs by calculating pi, because Python supports large integer operations, and pi calculations happen to use large integers, which can initially reflect the integer...
I don't use a DCDC drive circuit like this H-bridge. What is the principle of this? Is there any difference between it and the general step-up and step-down?...
How to measure the signal of positive and negative 1.5V using a single power supply system? If the signal changes quickly, it can be measured through coupling. But if it is a signal that changes slowl...
1. First create a project, the project name is meterADC2. Then select hardware and enable ADC. Here the board only supports ADC0. The chip supports multiple channels.3. From the file, you can find the...
Recently, according to the Herald Democrat, a local media in Texas, Texas Instruments (TI) submitted a property value restriction application to the Sherman Independent School District, confirming th...[Details]
How to adjust the position ring of foc
The following steps are required to adjust the FOC position loop:
1. Determine the parameters related to the mechanical structure: Before adjusting ...[Details]
On August 4, 2021, WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary U-Shang has launched a motor driver solution based...[Details]
1. EMI sources of switching power supplies
The EMI interference sources of
switching power supplies
are mainly reflected in power switch tubes, rectifier diodes, high-frequency tran...[Details]
As the speed of electronic equipment continues to increase, the interconnection system design of connecting devices, circuit boards, integrated circuits and devices has become increasingly critical t...[Details]
Cailianshe reported today (23) that Samsung is rumored to have decided to purchase the Dimensity 9000 processor from MediaTek as early as the first quarter of 2022. Currently, there are two possibi...[Details]
The clamp ammeter is different from the ordinary ammeter. It consists of a current and an ammeter. It can measure the load current without disconnecting the circuit. But it can only be used when the ...[Details]
The National Energy Administration issued a notice on promoting the participation of electric energy storage in the auxiliary peak-shaving services in the "Three Norths" region. The notice stipulat...[Details]
According to CINNO Research, the share of UTG in the foldable phone cover glass market is expected to increase further. Following Samsung Electronics, Chinese mobile phone brands also plan to launc...[Details]
The DC gain hFE of a transistor (NPN or PNP type) is the most basic measurement parameter of a transistor. Therefore, many digital multimeters can test the hFE of a transistor. Here, we introduce a tr...[Details]
China Energy Storage Network:
In 2019, the global digital economy reached 31.8 trillion US dollars, a nominal increase of 5.4% year-on-year, accounting for 41.5% of the global economy, an inc...[Details]
A current probe can also be called a current clamp. It is a magnetic core designed based on the basic principles of the law of electromagnetic induction and is used to measure the current signal in...[Details]
Power MOSFET and IGBT tubes have the following requirements for their drive circuits:
(1) The gate-source drive pulse voltage amplitude UGS must be large enough. In order to reduce the on-state r...[Details]
-1. Contact and coil instructions
Programming principles of PLC ladder diagram language
1. The ladder diagram consists of multiple rungs. Each coil can constitute a rung. Each rung has mu...[Details]
In electronic measurement, it is necessary not only to collect and preprocess multi-channel signals with high precision, but also to quickly transmit them to the computer for easy monitoring of the...[Details]