Semiconductor materials are electronic materials that have semiconductor properties (conductivity between conductors and insulators, resistivity in the range of about 1mΩ·cm to 1GΩ·cm) and can be used...
[i=s] This post was last edited by yjguohua on 2019-4-25 11:14 [/i] [color=#008000][backcolor=rgb(255, 255, 255)][font=Tahoma,]I would like to ask, how should I drill the heat dissipation holes on the...
As the title says, I saw a SGM38042 chip from Shengbang Microelectronics participating in an annual power management/voltage converter award voting today. I was immediately curious and learned about t...
[size=4] The 50Hz AC sampling signal V1 is sent to the inverting input pin 6 of the active precision detector composed of pins 5, 6, and 7 of R1, R2, D1, and U. The purpose of using an active precisio...
Hello everyone! I disassembled a power supply board produced by another company, and I was curious about the craftsmanship in one place. It was the first time I saw it. What is the green layer next to...
Recently, Gansu Electric Power Dispatching Center issued the "Notice on the Trial Operation of Full Month Settlement in Gansu Electric Power Spot Market". The "Notice" stated that the current spot ...[Details]
On March 14, Arm Holdings Co., Ltd. (hereinafter referred to as "Arm") joined hands with ecosystem partners to launch the latest Arm Automotive Enhancement (AE) processor and virtual prototyping plat...[Details]
Reliability and long service life: The sensor integrated circuit, including the conditioning circuit, protection circuit and permanent magnet, must be housed in a rugged package that meets protecti...[Details]
The frequency response of this driver is adjustable. By shunting R1, RC, and increasing the amplifier maximum gain, CC controls the compensation cut-in frequency. These three components peak the ampl...[Details]
I rarely use STM8S at work, but because the price of this U is so attractive among general-purpose Us, I used it in a very simple application. Requirement: Control the fan speed according to the se...[Details]
The advancement of small-pitch LED display technology has broken the rule that LED displays can only be used outdoors. With the continuous improvement of picture quality and the solution of tec...[Details]
Not long ago, the well-known actor Wang Zijian purchased the Meizu 18 and Meizu 18 Pro mobile phones using the M code, and posted the order placed on the Meizu official website. Yesterday eve...[Details]
This afternoon, Xiaomi released the Mi Band 5 as promised, which is still divided into standard version and NFC version, priced at 189 yuan and 229 yuan. At the same time, the price of Mi Ban...[Details]
Capacitive level gauges are suitable for measuring the level (material level) of pressurized conductive and non-conductive liquids (solids) in pressurized containers. The UFB radio frequency capaciti...[Details]
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Introduction
High-voltage and large-capacity motors are important power equipment in power plants and industrial and mining enterprises. Due to the quality problems of the motors ...[Details]
In the morning session of March 4, the concept of SMIC rose sharply. As of press time, Asia Pacific Integrated Circuit Co., Ltd. hit the daily limit, Nanjing Optoelectronics and Shanghai Xinyang rose...[Details]
In recent days, as the weather in the north turns cooler, the topic of "caring for takeaway boys" has been discussed again online. A topic "Should I order takeaway in bad weather?" was even launched...[Details]
Introduction: As the name suggests, the working principle of a digital multimeter is mainly based on digital circuits to detect and analyze signals, and then provide LCD display through an analog-t...[Details]
At present, wireless communication equipment is developing towards low voltage, low power consumption, low noise and high linearity. As one of the key modules in the transceiver, the mixer has a di...[Details]
RF/Wirelessly
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