Add:9F, Dongguan Building, Jiangnan Ave 4288, Binjiang District, Hangzhou
There is only one function of the attenuator, that is, to provide attenuation.
For example, adding a attenuation before the receiver can avoid damaging the receiver by excessive signal power, or adding attenuation to the line, simulating the line loss of long-distance transmission, etc.
To say indispensable, basically all the equipment used in the test is indispensable.
The 3dB bridge divides an electric signal into two channels on average. The power of each channel is 50% of the input power, which is the difference of 3dB. So it is called 3dB bridge.
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Add：9F, Dongguan Building, Jiangnan Ave 4288, Binjiang District, Hangzhou
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