POWER SURGE PROTECTION IN AN IRRIGATION CONTROLLER
摘要
<p>One embodiment is an irrigation control system comprising a controller (100) comprising functional control circuitry (102); an line (106) coupled to the functional control circuitry; and a surge protection circuit (104) coupled between at least a portion of the line and the functional control circuitry; wherein the surge protection circuit comprises an inductor (204) adapted to be coupled between the functional control circuitry and the line; a first diverter (202) coupled between one end of the inductor and a common line (210); and a second diverter (206) coupled between another end of the inductor and the common line.</p>
