After mounting the chips according to the circuit diagram, the voltage at VCC3V3 is not 3.3V, but 4.6V. After C46 is replaced from 22pF to 330pF, the voltage at VCC3V3 is 3.3V (the required voltage is...
[i=s]This post was last edited by sunboy25 on 2021-6-3 11:15[/i]I would like to ask if anyone has the reference for active filters in Chapter 3 of Circuit Design Based on Operational Amplifiers and An...
The national electronic competition is still difficult. Within the specified time, that is, 4 days and 3 nights, we need to make electronic competition questions with high standards and high requireme...
[i=s]This post was last edited by Yunhu Congbai on 2022-9-3 15:28[/i]Ask for forgivenessIn fact, I had already received the board a long time ago, printed out the chip manual, and read it many times.I...
I remember that the STC microcontroller has a chip that can be used for single-step simulation. I didn't expect Qinheng to be able to do it, so I tried it today and it works well.
It’s actually very s...
Diary accumulation month after month, water dripping wears away stone[Atria Development Board AT32F421 Review] - Peripheral Review
AT32F421 is a lightweight M4 core microcontroller. It has a high freq...
As people's demand for energy efficiency increases, more and more products are beginning to use switching regulators to replace linear regulators in their designs. Power systems using multiple sw...[Details]
1. Introduction With the rapid development of China's economy, higher requirements are placed on the stability of the power system . As an important part of the power system, the stable operation...[Details]
Google entered the mid-range market with the Pixel 3a and 3a XL in 2019. Later, it continued with the Pixel 4a as an iteration in 2020. While we have seen reports about the next-generation new machin...[Details]
NSS pin of STM First of all, we say that there are two levels of this pin that need to be paid attention to, one is the external level connected to the NSS pin, and the other is the internal level ...[Details]
Initialization of 8155 chip: 8155 is an external interface chip for the microcontroller
, and its operation method is the same as that of external RAM. That is:
MOV DPTR, # addr16
MOV A, ...[Details]
When developing battery-powered devices, especially systems with strict requirements on standby or operating time, such as mobile phones, it becomes increasingly important to reduce the overall energy...[Details]
Inductors are one of the most important components in high-frequency analog circuits and signal processing for applications such as mobile phones, RFID, test equipment, GPS, radar, Wi-Fi, and satel...[Details]
Since the high-pressure water pump motor was put into use, the temperature of the motor front end bearing has been rising, up to 72 ℃, and there is a trend of continued increase. The bearing temper...[Details]
Let's take the GPIO assembly code of S3C2440 as an example: .text .global _start _start: //Write 0x100 to address 0x56000050 and configure gpf4 as an output pin. ldr r1, =0x56000050 ldr r0,=0...[Details]
It only takes 8 minutes to charge an electric car to 80%. This was the selling point mentioned by GAC when it introduced its developed graphene super-fast charging battery at GAC Technology Day on ...[Details]
The most troublesome problem when using PIC microcontroller to design industrial control circuits is that PIC microcontroller often has hardware deadlock after being disturbed. Most people blame the ...[Details]
1. Software overview ◆NS-Multimeter digital multimeter program control software realizes the control of most digital multimeters. Through this system software, you can not only conveniently and quick...[Details]
NavInfo announced on its official account that its subsidiary Wuhan Jiekai Technology Co., Ltd. (hereinafter referred to as "Jiekai Technology") has completed an angel round of financing of RMB 100 m...[Details]
Beijing, China, October 11, 2023 – Tektronix Customer Service Day, also referred to as Tektronix Service Day, is a service feedback activity carried out by Tektronix for customers and engineers. It i...[Details]
Abstract: This reference design demonstrates the use of the MAX9736 Class D audio amplifier in a stereo audio, docking station application. The MAX9736 2.1 demo box is a complete powered speaker dock ...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
