What kind of antenna is considered a good antenna?
The longer the antenna, the better?
The higher the gain, the better?How do we design a good antenna?Guanguan found some relevant knowledge sharing in...
Choose the right oscilloscope probe : https://training.eeworld.com.cn/course/4781Probing is arguably the most underestimated, yet critical part of making reliable measurements. With so many probes on ...
I have been working in security electronics for several years and I am familiar with this industry. Now I suddenly want to switch to medical electronics. Is it difficult? I have a preliminary understa...
[align=left][color=rgb(0,0,0)][backcolor=rgb(255,255,255)]At first, I had only a little understanding of power supply circuits. I had only used a few buck-boost chips and thought that power supply was...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
Analog electronics
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