Some products are powered by three-phase network, especially those in composed of three-phase motors require the right phase sequence: the...
In the manufacture LW antenna can win in gain, if a normal frame antenna double square to convert to...
In Fig.1 shows a diagram of generator. At power-up through the resistor R1 starts to charge capacitor C3,as increase the...
DescriptionThis circuit of power supply, are very simple in the manufacture, the finding of his materials , is very easy...
Designed for self-powered 8, 4 & 2 Ohm loudspeakers, Bass-boost switchThis amplifier was designed to be self-contained in a small...

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