For example, the bypass circuit, behind the power supply, filters out high-frequency noise through the capacitor. The key is here. After passing through the capacitor, the high-frequency noise has two...
[i=s] This post was last edited by If3 on 2016-6-24 23:18 [/i] A microcontroller system with ATMEGA128 as the main control and M41T81 (U18) as the clock. Now the LED screen does not respond when power...
How to define the line width and line spacing of PCB board? What is the relationship between the width of the wire and the current when drawing the PCB board? What is the relationship between the spac...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
In the industrial production process, flow measurement is a widely used measurement physical quantity. In special cases, such as vertical oil wells, when it is not easy to install probes outside the p...[Details]
With the development of my country's economy, environmental pollution caused by energy consumption is becoming more and more serious. Sulfur dioxide and nitrogen oxides emitted from coal-fired flue...[Details]
LED definition
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the fo...[Details]
Figure 1 Solar panels on photovoltaic roofs "spontaneously combust"
Recently, a solar panel in a photovoltaic power station in Germany caught fire. The burning scene was horrific. It i...[Details]
1 Introduction
With the increasing severity of environmental pollution and the development of new energy, bidirectional DC converters have been used more and more widely, such as DC uninte...[Details]
Laptops, netbooks, mobile Internet devices (MIDs), e-books… these mobile devices have become a bright spot in the consumer electronics industry as buyers look for new value-for-money products. In m...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
Introduction
By reading the source code of a sequential program line by line, it is not difficult to tell what specific operations the program will ask the processor to perform, and also the or...[Details]
Since the demodulated baseband coding signal rate is 40kbit/s, the passband of the low-pass filter is set to 100kHz. Considering other performance requirements, the 8th-order linear phase filter LTC10...[Details]
Test/Measurement
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