Developing a low drift system can be difficult, especially when using bipolar input signals. Applications such as the bidirectional current sensing shown in Figure 1 require the use of two well matche...
[size=4]This specification is mainly aimed at the single-chip microcomputer programming language and the 08 compiler, including typesetting, comments, naming, variable usage, code testability, program...
[color=#333333][font=-apple-system-font, BlinkMacSystemFont, "][size=3][size=17px][align=left]This is a power supply with a wide input voltage of 120-277V 60HZ, an output of 48V, 273mA, and a Buck top...
Students who are participating in the National Undergraduate Electronic Design Competition are preparing for the competition. Do you need any help? We are willing to serve you.Prepare for the 2019 Nat...
Introduction At present, power modules are developing in the direction of integration, intelligence and modularization. Power modules provide an ideal interface for the connection between weak curren...
The hysteresis comparator can also be understood as a single-limit comparator with positive feedback. For a single-limit comparator, if the input signal Uin has a slight interference near the threshol...
There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority". Each interrupt source needs to...[Details]
On the highways that crisscross the world, a transformation is taking place—from centuries of fossil fuel-powered cars to clean, efficient electric vehicles (EVs). The EV market is expected to grow...[Details]
1 Introduction
With the widespread application of switching power supplies in various industries, the demand for DC/DC converters has become a symbol of economic development. For single-stage...[Details]
In ATMEL's 89S51 series, 89S51 has the same function as 89C51. Command compatible. HEX programs can be used directly without any conversion. 89S51 only adds a watchdog function than 89C51. For other ...[Details]
1. Reasons affecting the high output voltage of the switching power supply ⑴ The models with voltage doubler rectification in the transmitter may work in voltage doubler rectification state inc...[Details]
Dallas' iButton products are a series of new 1-wire bus devices. DS1991 is an encrypted storage information button, encapsulated in a stainless steel shell with a diameter of 16mm. It is small in...[Details]
Say the term smart grid and many people will first think of the new electric meter that recently appeared outside their home. But ask an electrician and he will describe the most profound change in ...[Details]
After catching up in the 2G era and breaking through in the 3G era, my country's mobile communication technology has entered a stage of rapid catch-up in the 4G era. In the 4G era, domestic mobile ph...[Details]
Canon launches new FPD exposure equipment "MPAsp-H1003H" with both high productivity and high resolution
Adopting the 8th generation glass substrate, it is possible to achieve a reso...[Details]
On the morning of March 22, the inaugural meeting of the Shanghai Future Industry New Energy Storage Expert Committee was successfully held at the Huibo Center. Experts recommended by 15 units in t...[Details]
1. Background A user in a certain area reported a variable frequency air conditioner, which would trigger high temperature protection in heating mode at an outdoor ambient temperature of 23°C. The us...[Details]
On April 13, according to mysmartprice, Google's new Pixel series phones obtained FCC certification. There are four models that obtained FCC certification this time, namely GX7AS, GB17L, GB62Z,...[Details]
On August 17, Jucan Optoelectronics released its 2021 semi-annual report. The announcement showed that the company achieved operating income of 961 million yuan in the first half of this year, a year...[Details]