Nowadays, all walks of life will launch a series of discount card-issuing activities in order to attract and retain consumers. We have just received a project to develop a membership card management s...
[color=#333333][font=微软雅黑]I want to design an amplifier with a bandwidth of 15MHz~25MHz, and a gain of 40dB at 20MHz. The input signal is about 1mv. I used the OPA847 common-phase amplifier circuit to...
[table=98%] [tr][td]The power consumption of FR6972 LCD display is nearly 20UA, while that of FR4133 LCD display is only 6UA; the circuits are similar, the only difference is that R23/LCDCAP is connec...
Sometimes we need to process data by bytes, especially when doing 8-bit data communication. Most MCUs support byte addresses, which means that when an address is added by 1, the data is moved by one b...
Original article by Mr. Gaosu | Liu LijuanRegarding the TX and RX layering issue, I often hear three different opinions:"What is stratification? Um...it's up to you."
"Why do you ask me to separate th...
1 Overview
The AD8022 consists of two low-noise, high-speed voltage feedback amplifiers. The voltage noise generated by its two input terminals is only 2.5nV/√Hz. It also has the characteristi...[Details]
The 2020 Medtec China Exhibition and the 16th International Medical Device Design and Manufacturing Technology Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from...[Details]
GF's Arm interconnect technology on 12LP process enables high performance and low latency while increasing bandwidth for multi-core designs in AI, cloud computing and mobile SoCs GLOBALFOUNDRIES ann...[Details]
In the previous article, Tiny4412 Bare Metal Programming: DDR Working Principle and Timing (I), we learned about the working principle of DDR SDRAM. In this section, we will continue to talk about so...[Details]
Almost everyone has encountered the dilemma of running out of battery and having nowhere to charge their mobile phone. Although electric vehicles are becoming more and more popular, they are also lim...[Details]
Although CATL's current situation can still be described as a dominant player, it is still unclear what the subsequent results will be and whether it will suffer a more severe impact. To be fair, C...[Details]
UART and USART are both serial port communications on the microcontroller. The differences between them are as follows: First of all, let’s look at the name: UART: universal asynchronous receive...[Details]
introduction Nowadays, among embedded processor chips, the processor with ARM7 as the core is the most widely used one. It has multiple working modes and supports two different instruction se...[Details]
Introduction I recently used stm8s003k3 to develop a project and used the ADC module. I would like to record some notes and share my experience. Software environment: STVD+COSMIC Hardware environment...[Details]
At present, the popularity of cars is increasing day by day. The car inverter converts the 12 V DC output of the car cigarette lighter into 220 V/50 Hz AC for general electrical products. As a mobile...[Details]
Apple continues to gradually reopen its retail stores around the world as conditions permit, with all 20 stores in France reopening today, and the remaining stores in the Netherlands and Sweden to re...[Details]
According to the Shanghai Municipal Commission of Economy and Information Technology, in order to implement the strategic deployment of the 19th CPC National Congress to "accelerate the construction ...[Details]
LED has been very popular for such a long time, and more and more people are entering the LED industry. The wave of bankruptcies and mergers and acquisitions cannot change everyone's enthusiasm for L...[Details]
Operational Amplifier Output Stage Limitations
Rail-to-rail operation of an op amp refers to either its input stage or its output stage, or both. As a buffer driving
the SAR ADC
input, we a...[Details]