Background: The op amp uses positive feedback to set the hysteresis threshold. The signal to be compared is input into the negative terminal of the op amp, and the output of the op amp drives an NMOS ...
There is a shortage of chips but no shortage of new products. The pace of manufacturers releasing new products does not seem to be affected at all, and our forum friends have not stopped paying attent...
The input is 3.3V TTL high and low level. The Darlington output should be the opposite level of TTL. I checked and it is always in the same state. What's going on?Also, the PMOS at the back end is alw...
BIPES is an open source project that integrates Google Blockly, WebREPL, MicroPython, documentation, an IOT platform for sending and viewing data, an enhanced web file manager using WebREPL and an onl...
1 Introduction Microwave amplifiers are an extremely important part in modern microwave, millimeter wave communication technology and electronic warfare applications. In the late 1970s, monolithi...[Details]
Summary For applications requiring high currents of thousands of amps, voltage regulators (VR) with extremely fast dynamic response are very suitable. This article describes a transformer-based vo...[Details]
In just one generation, electronics and processor technology have transformed nearly every aspect of our lives – and nowhere is this more evident than in vehicle engineering. The range of electronics...[Details]
Abstract: There are two directions in embedded development, one is embedded software development (MCU direction), and the other is embedded software development (Linux direction). Among them, the MCU...[Details]
Last week, U.S. federal judge Lucy Koh rejected Qualcomm's appeal to suspend the U.S. Federal Trade Commission's (FTC) antitrust ruling against it. The FTC's penalty against Qualcomm includes reshapi...[Details]
According to the provisions of "Urban Road Lighting Design Standard" CJJ45-2006, high-pressure sodium lamps, metal halide lamps, compact or thin-tube fluorescent lamps can be used as light source...[Details]
Apple is making every effort to develop its own desktop processors, and they are already preparing the M3 series, as well as the M2 series. According to DigiTimes, Apple's chip foundry partne...[Details]
1. The Vishay low-temperature drift wafer resistor I purchased is finally back.
15ppm costs 2 yuan each, 25PPM costs 1 yuan, which is far from the carbon film resistors we usually use. If you...[Details]
The serial port of the MCS-51 microcontroller has two independent data lines - the transmitting end TXD and the receiving end RXD, which allows data to be transmitted in two opposite directions at the...[Details]
1. Serial port abnormality after waking up from sleep mode STM8L is mainly used for low-power products. Here, there are differences before sleep and after wake-up. When debugging, if you use the seri...[Details]
The leaker Ben Geskin showed the real face of the physical Apple Card credit card on Twitter today. This is an important part of Apple's attempt to test the waters in the Internet service industry. T...[Details]
In recent years, with the upgrading of automobile intelligence, various automakers are upgrading from low-level autonomous driving to high-level autonomous driving. Autonomous driving will put forw...[Details]
1. Application principle of thermocouple
Thermocouple is one of the most commonly used temperature detection elements in industry. Its advantages are:
①High measurement accuracy. ...[Details]
Working principle and torque of brushless motor
Everyone's understanding of motors may be the example of the alternating current chapter in high school textbooks, brushes + external magnetic f...[Details]
Function signal generator is a commonly used signal source, which is widely used in electronic technology experiments. The commonly used function signal generators at present generally have poor re...[Details]
Analog electronics
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