3.3.23 U1 (PWM IC): 3843 is a type of PWM IC. The Duty Cycle is controlled by the feedback signal from the Photo Coupler (U2). Pin 3 has a current limiting function (maximum voltage 1V). There are two...
This unit is recruiting part-time Veritas and NBU lecturers, requiring certain project experience, strong communication skills, high salary, daily payment, if interested, please contact me. Location B...
I am experiencing attenuation when performing hysteresis filtering on the wireless receiving signal. Can you give me some advice and discuss which is the best?...
Last time, I used the interrupt method to read the key code to improve efficiency, but there was also a small problem. After CH450 scans the key, it will pull down a low-level pulse on the INT pin. My...
The relationship between improving power factor and energy saving and loss reduction Abstract: The power factor is related to the power supply capacity of power transmission and distribution lines and...
There is also discussion about waveform memory, one for each channel or a shared memory.
Then discuss it together.[[i]This post was last edited by stevenkean on 2010-8-7 23:17[/i]]...
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
Industrial Control Electronics
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