The importance of electromagnetic compatibility needs no further explanation. This book is a translation of the classic "Printed Circuit Board Design Techniques for EMC Compliance". It is in tradition...
For example, if a display meter receives a 4-20MA current signal from a transmitter, can several meters be connected in series for display?
Personally, I think that if the instrument is current driven...
I applied for MM's F103 development board and made a J1939 module. I used the CAN pins of PA11/PA12. The relevant pin configuration in the official SDK is shown in the figurePlease shield the breakpoi...
Porting the graphics library to drive TFT LCD (ILI9325) under 9B96
It is displayed now, but the displayed controls seem to be out of range?
Modified
#if ! defined(PORTRAIT)! defined(PORTRAIT_FLIP)\ ! ...
[i=s]This post was last edited by jishuaihu on 2015-1-14 22:14[/i] This is the first time I use Altium designer to draw a more complex board. The schematic is designed in a hierarchical way. Now I can...
CCTV invites experts to answer questions about Chang'e "Chang'e-1" is about to be launched. What do you want to know about "Chang'e-1"? Do you have any questions about my country's lunar exploration p...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
PCB Design
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