Capacitor charging circuit.

摘要

A capacitor charging circuit comprises a power supply having two output terminals, two capacitors (C1, C2) for storing electric charge from the power supply, and a switching element (Tr2) having an electrically controllable input for connecting or disconnecting at least one of the capacitors from the power supply. A resistor (R2) is connected to the input of the switching element for setting the switching element to turn off. The resistor is connected directly to one terminal of the power supply.