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Mid Autumn Festival and National Holiday Notice
Updated : 2022-01-24

Due to the mid-autumn festival & national holiday is upcoming, our office will be temporarily out of duty from Oct 1st to Oct 8th, 2020.We will be on duty on Oct 9th, 2020, so you will be able to communicate with us by then or any urgent things you may contact via info@keylinkmw.com or 0086-1810903

Changes in semiconductor materials
Updated : 2022-01-24

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).

EMC product design process
Updated : 2022-01-24

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.

Explanation of TTL and LVTTL about Keylink's RF power amplifiers
Updated : 2022-01-24

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

Frequency conversion assemblies of KeyLink Microwave
Updated : 2022-01-24

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.

Frequency-Hopping Spread Spectrum
Updated : 2022-01-24

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.

How do we prevent Covid-19 virus?
Updated : 2022-01-24

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

What is the use of RF amplifier?
Updated : 2022-01-24

A radio frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency signal into a higher power signal.

Important Notice II
Updated : 2022-01-24

All overseas business of Keylink will be handled by her wholly-owned subsidiary Keylink Wireless.Same contact, same quality but different bank information.The beneficiary bank information is as follows.

Important Notice I
Updated : 2022-01-24

Keylink is changing the bank information from Keylink Microwave into Keylink Wireless.