[i=s] This post was last edited by dirty on 2014-9-11 08:17 [/i] Is the transistor in this circuit used as a switch circuit? How is the specific analysis? Please analyze it, thank you. If you want to ...
In DC testing, the key technical parameters of laser diodes or VCSEL modules are as follows :Laser diode forward voltage dropInflection point test / linearity test (dL/dI)Threshold currentBacklight de...
Year-end summary:
I have been visiting EEWorld for almost two years, and I have been a lurker for more than a year. But in the past six months, I have really treated EEWorld as my home. The administra...
About A/D conversion of MSP430F149: (all must go through the following stages) 1. Set the channel 2. Turn on ADC and set the sampling time 3. Use the timer 4. Set the reference voltage 5. Enable and s...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[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]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
Automotive electronics are in a noisy environment
,
so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
Analog electronics
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