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When engineers use an oscilloscope to measure the output signal of a switching power supply, they often find that the signals of the two measurement channels interfere with each other (crosstalk). If...[Details]
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LEDAC02 is a high-performance offline LED driver, with AC offline input from 80V to 277VAC, output power up to 25W, dimming range from 2% to 100%, intelligent wall dimmer detection, mainly used in dim...[Details]
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Instruments are essential tools for electronic engineers, and are known as "with a meter in hand, the world is at my disposal".
In actual production, the instruments involved include four cate...[Details]
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1. How to convert a four-byte hexadecimal number to a decimal number. The format of the hexadecimal number is low-order first. Assume that the first byte is hex_buf , hex_buf , hex_buf , hex_buf . ...[Details]
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The home routers we use have always been favored by hackers, and security incidents of remote control by exploiting vulnerabilities have occurred from time to time. Recently, security personnel disco...[Details]
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Question: When using the dual-tracer (dual-channel) oscilloscope in the Multisim software to detect AC signals, the AC signal waveforms obtained when DC coupled input and AC coupled input are select...[Details]
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In view of the requirements of variable frequency amplitude modulation of modern power supply, it is proposed to use PIC16F873 to generate SPWM wave to control IR2136 to trigger IGBT to generate PW...[Details]
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On the afternoon of May 19, iQOO will hold an online press conference, and the new iQOO Z1 will be officially unveiled. Sina Digital will broadcast the press conference live. One of the bigge...[Details]
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The great improvement of luminous performance in the solid-state lighting industry has shown that light-emitting diode (LED) lighting is an alternative to existing lighting technology, not sometime...[Details]
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Android 11 Beta 2 was released today. Foreign media discovered that a video from the Google Smart Home Summit mentioned that the official version of Android 11 will be released on September 8....[Details]
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In the actual waveform measurement process, how do you measure the time difference between two channel signals? Manual cursor measurement? This is indeed a common method, but it will inevitably cau...[Details]
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1. Introduction
A car inverter (power converter) is a device that can convert DC 12V direct current into AC 220V alternating current, the same as the mains power, and provide it to general ele...[Details]
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Since RS-422 and RS-485 buses have the characteristics of strong anti-interference ability, high communication rate, long communication distance, and the ability to communicate with multiple slaves, ...[Details]
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The internal timer T0 of the microcontroller works in mode 1, and a square wave pulse signal with a period of 2ms is output from P1.0. It is known that the crystal oscillator frequency of the microco...[Details]
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The intelligent soft start cabinet is a device used for starting the motor. It controls the starting current of the motor to achieve smooth starting of the motor, reduce the current shock during st...[Details]
PCB Design
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