Common mode radiation is due to the voltage drop in the ground circuit (as shown in the figure below). Some parts have high potentialcommon mode voltage. When the external cable is connected to these parts, common mode current will be generated under the excitation ofcommon mode voltage
Impedance matching is a part of microwave electronics. It is mainly used on transmission lines to achieve the purpose that all high-frequency microwave signals can be transmitted to the load point without any signal reflecting back to the source point, thusimproving energy efficiency.
LiDAR is a radar system that emits laser beams to detect the location and speed of a target. Modern 3D lidar sensors combine high horizontal longitudinal andradial resolution and are key components of L4 and L5 autonomous vehicles.
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Ge (germanium), Si (silicon) → GaAs (gallium arsenide), InP (indium phosphide) → SiC (silicon carbide), GaN (gallium nitride), SiGe (silicon germanium),SOI ( The insulating layer is coated with silicon) → carbon nanotube (CNT) → graphene (Graphene).
The design of EMC products mainly goes through several stages, including overall specification scheme design, detailed design, schematic design, PCBA design, prototypedesign and assembly, laboratory preliminary testing, third-party laboratory certification.
As we know, transistor–transistor logic (TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both thelogic function (the first
In a communication system, the mixer (frequency converter) plays a key role. The mixing circuit includes three components: local oscillator, nonlineardevice and band-pass filter.
Communication or remote control is achieved through radio frequency signals emitted from space. It takes up a certain frequency, and the spectrum isvery limited. The more apps you have, the more likely you are to crash. There are many effective ways to reduce mutual interference.
Since the beginning of February, we have been back to work. How do we protect our employees from being infected by Covid-19 virus?Take a daily temperature test and make a recordProvide safe and reliable masks and alcohol disinfectant for everyoneKeep indoor ventilation and disinfect regularly