Opening words:The book "Operational Amplifier Parameter Analysis and LTspice Application Simulation" took more than half a year to write, and the preparations for publication are now underway. The ori...
1. bq34z100 current calibration problem:
1. In the current calibration section of the bq34z100EVM Wide Range Impedance Track Enabled Battery Fuel Gauge Solution manual, sentence 4: Connect and measure...
LZ is in the second year of graduate school. Although his major is electronics, the application is awkward. It is in the direction of electronic readout for large-scale particle detection. With the ec...
The WM signal is a digital signal with a fixed period and an indefinite duty cycle.If the counter of Timer_A works in the up-counting mode, the output adopts the output mode 7 (reset/set mode)to contr...
Because the op amp is powered by a single power supply, a bias voltage VCM1 of tens of mV must be added (why?). I see that the classic differential amplifier circuits are all grounded? Also, I used a ...
1. Introduction
In the last post, I wanted to test the production program, but after consulting and posting, I seem to know that the program is not included when it leaves the factory. Today, I will p...
1. Overview of current vector signal analyzer calibration methods The commonly used signal analyzer (VSA) measurement method currently uses a standard vector signal source. The advantage is that it i...[Details]
On April 16, 2019, the organizing committee of the first China International Smart Terminal Industry Development Conference held a press conference in Beijing, announcing that the first China Interna...[Details]
STRUC: Defines a structure type
Definition of a structure type (=STRUC data type). Here, several data types are combined into a new data type.
STRUC Name Structure Type Data Type 1 ...[Details]
In-field firmware updates have been a critical component of every embedded system since its inception. Access to programming tools such as JTAG or SWD programmers and physical access to the programmi...[Details]
Time scale circuit
Sequence signal generator:
Design steps: Step 1: Construct a modulo P counter; Step 2: Select an appropriate data selector, add the sequence to be generated to the data...[Details]
Sitting in front of the reporter from China Business Network is a Japanese scientist named Yoshino Akira, who is thin and polite. He is wearing a light grey shirt, a dark striped tie, and a neatly ta...[Details]
There are usually several ways for the single-chip CPU to exchange information with external devices: unconditional transmission, query transmission and interrupt transmission. We take the interf...[Details]
The latest report from market research firm Counterpoint predicts that driven by growing demand for smartphones, automobiles, industry and other applications, the global image sensor (CIS) market rev...[Details]
Use the P1 port of 89C51 to control 8 light-emitting diodes (LEDs). Four adjacent LEDs form a group, and two groups light up alternately every 0.5 seconds, repeating the cycle. Try to write a program...[Details]
In modern electronic systems, in the process of high-speed, large-capacity signal acquisition and transmission such as signal measurement, image processing, audio and video signal processing, real-tim...[Details]
Serial port is a communication method. The data transmission and reception unit of the serial port is byte, and one byte is an 8-bit binary number. When sending a byte, it is sent one by one, first t...[Details]
Hello everyone, through the previous study, we have learned and become familiar with the use and learning methods of ICD2 simulation burner and enhanced PIC experiment board, and learned how to use s...[Details]
Introduction to I2C I2C is a two-wire bidirectional serial bus that provides a simple and efficient method for exchanging data between devices. The I2C standard is a true multi-host bus with conflict...[Details]
1. Overview
With the issuance of 3G licenses by the three major domestic operators and the maturity of commercial 3G networks, users have an increasingly strong demand for 3G wireless application...[Details]
1 Introduction
Power supply monitoring is an important monitoring system for railway signals. Before this, the power supply monitoring system of signals basically used single-chip microcom...[Details]
Analog electronics
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