Home improvement is the PVC pipe is a good pipe or galvanized steel pipe? why?
Control, generally can be connected to three two-core control loop or two three-core control loop, there is a spare. Control cable from 2 to 10 core has, depending on the need, usually from the same control unit out of the control line are as much as possible in a cable, easy to maintain. Orthogonal twisted conductor core or cable insulated wire core, stranded structure are starting from the center of a lower layer, each additional layer, an increase of 6 core, that is, 1 +6 +12 +18 +24 +30 Each of which is adjacent to each other and has a difference of 6 cores. Practice has proved that in the outer layer of each layer plus 6 core after the total number of cores can be formed around the outer circle of the outer layer of each core connected to the outer circle, this can be used to explain the principle of geometry.
Compared with the excellent performance of the A / B amplifier, Class D amplifier audio performance is poor, not only distortion, and the dynamic range is narrow. Therefore, the current Class D amplifier designers must improve their performance. Through the integration of high-performance sampling rate converter (SRC) and delta-Σ processing technology.
