Given UI=19.6V, the current amplification factor of transistors VT1 and VT2 = 50, Ube1=Ube2=0.7V, Uz=+5.3V, R1=300 ohms, R2=200 ohms, R3=300 ohms, RC2=2.5K ohms. Try to calculate the maximum current o...
As the title says, if possible, could you please tell me the general steps... It would be better if you can be more detailed~~~ I will be very grateful!!!...
Instrument Basics Tutorial Series - Signal Generator : https://training.eeworld.com.cn/course/4778What is a signal generator? What are the types of signal generators? What are the characteristics, per...
I got a very nice light bulb from a friend. The wick inside is shaped like a flower. I have never seen such a thing before. So I wanted to make a romantic flower lantern to create a warm atmosphere at...
Ask: How to expand the size of Eboot? I am using pxa270, and now I need to display a logo when EBOOT, so I just need to compile the image into eboot. I modified the following two items and the corresp...
How to use accurate timing in applications in wince~ I use the timer SetTimer (1, 1000, NULL) to accumulate 60 seconds to count one minute. The program is very accurate when simulated on a PC (basical...
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
In recent years, the development of automotive batteries has become a focus of attention. Compared with other rechargeable batteries, lithium-ion batteries have the advantages of high specific ene...[Details]
The growing development of wireless networks enables them to support various types of services. Therefore, it is necessary to ensure the QoS of various services and improve the system utilization. To ...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]
Due to the ultra-large scale of the distribution network and the low cost, wide coverage and convenient deployment of power line communication. Power line communication provides an excellent device in...[Details]
The sensor part of the traditional gas pressure measuring instrument is separated from the data acquisition system, and the anti-interference ability is poor. In addition, the pressure of the measu...[Details]
With the development of military equipment, its functions are becoming more and more powerful, the equipment is becoming more and more complex, and the requirements for test systems are becoming highe...[Details]
Analog electronics
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