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Ask the moderator: What are the applications of microwave power dividers, attenuators, and phase shifters? Which manufacturers are the best at making these devices at home and abroad?

JasonYoo

I wonder if you have ever worked on microwave RF circuits. If you have, you will find that there are many places where these devices are used in circuits. Power dividers are used to distribute signals. For example, the standard reference signal of a system needs to be distributed to many devices for reference. Attenuators, as the name implies, are used to attenuate signals. For example, a receiver has its own dynamic range. If the received signal is too strong, it may burn out some devices of the receiver. Therefore, some receivers need to add attenuators at the signal input end, which are often controllable attenuators. Phase shifters are used to change the phase of the signal. The typical application is phased array radar. The above are just some examples. These devices are widely used. If you are interested in a certain device or a certain direction, you are welcome to discuss in detail with specific questions. As for manufacturers, foreign manufacturers often produce more professional products with higher indicators, but the price is very expensive or unavailable. There are also many domestic microwave device manufacturers. Several research companies in Xi'an and Chengdu have done good work and are easy to find on the Internet.