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09/142020
The SIM card holder can ...
The SIM card holder can have a strong ability to use, and it can also maintain a common progress performance. The use of memory cards can also be said to be a related basic condition that everyone sti
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09/142020
SMT processing solder jo...
With the advancement of technology, some electronic products such as mobile phones and tablet computers have become light, small and portable.
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09/142020
What is the difference b...
In this morning of the Internet era, each of us uses mobile phones. How much do we know about the phone deck? I think few people know about this deck because our deck is It is set inside the mobile ph
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08/202020
How to linearize the RF ...
The non-linear distortion of the RF power amplifier will cause it to generate new frequency components. For example, for the second-order distortion, it will produce the second harmonic and two-tone b
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08/202020
What are the criteria fo...
The standard for judging non-linearity and linearity can be: use a fixed frequency f1 and level input to the amplifier, observe the output of the amplifier, if its output contains additional frequency
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08/202020
What is a broadband powe...
The signal amplified by the amplifier has a lot to do with the frequency of the signal. If the frequency is too high or too low, the operational amplifier will have a lot of distortion when amplifyin
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08/202020
What is a solid state po...
Solid-state power amplifiers have the advantages of small size, low working voltage, long life, high efficiency, and high reliability. They have been widely used in radio frequency/microwave/millimet
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08/202020
What is a power amplifie...
The power amplifier is a module circuit in the RRU equipment, referred to as the PA module. Complete small signal amplification and power amplification in the TRX link.
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08/202020
The birth background and...
Transmitting devices are mainly divided into two forms: semiconductor solid-state devices and electric vacuum devices. As a power amplifier, electric vacuum devices have played a very important role i
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08/202020
Detailed analysis of var...
According to the type of the transmission line of the microwave filter, the performance index and design method of various microwave filters are introduced in detail according to this classification m
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