[p=30, null, left][font=宋体][color=#a0522d]In electronic environments, electromagnetic interference will have a certain impact on the operation of power supplies. Power supplies with small source effec...
In the transmitter indicators: carrier suppression deterioration is less than 3dB. What I want to ask here is what is the main cause of the transmitter carrier suppression deterioration? Please give m...
[b]25E[/b] I received it from esp8266, I didn't have much hope at first.I really appreciate the benefits of this forum.I received the stuff, thanks to everyone in this forum.I picked up the phone, com...
The audio signal is input from the ADC input of UDA1341, and then output from the DAC output of 1341. The main purpose is to control the volume\bass\treble\mute of the input signal through 1341, and s...
[i=s]This post was last edited by 2429129589 on 2019-12-18 11:55[/i]This is an old question from the 2016 TI Cup Provincial Competition about designing a step-down DC switching power supply using LM51...
I am a newbie in driver development, and I hope you experts can give me some advice. I am writing a driver to read data from an Isochronous pipe, but it always fails. I created a Request when adding a...
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]
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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[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]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
0 Introduction
Pneumatic
artificial muscle,
also known as pneumatic muscle actuator (PMA), began to be studied in the 1950s. In recent years, it has been widely studied and applied ...[Details]
AUTOSAR is a hierarchical architecture for automotive electronic embedded software jointly launched by global automotive OEMs and suppliers. The hierarchical architecture consists of a microcontrol...[Details]
1. Low temperature storage
Lithium-ion power batteries need to be fully charged before storage. They can be stored at 20°C for more than half a year, which shows that lithium-ion power batteri...[Details]