| 摘要 |
The present invention is a device for the exchange of electronic charge between two circuits - a voltage-regulated and a voltage-controlled circuit - of a d.c. power supply unit. Its output voltages are equal and preferably symmetrical to a fixed reference potential (GND) and are available at two outputs (U0+ and U0-). The device of the invention consists of a clock generator (18) which controls two selectors (21, 22) respectively via a drive circuit (19, 20). An inductance (L) and a capacitor (C) in series are connected to these selectors (21, 22) in such a way that, during a half-pulse of the clock generator (18), the inductance (L) is connected to one potential (U0+) and the capacitor to the fixed reference potential (GND), while in the second half-pulse the inductance is at the reference potential (GND) and the capacitor is at the other potential (U0-). Thus the device transfers charge with virtually no losses from the more lightly loaded circuits to the others when the natural frequency of the LC unit corresponds to the pulse frequency of the clock generator (18). |
