| 摘要 |
The inverter includes a pair of controlled switches 12, 14, e.g. MOSFETs or transistors with reverse parallel connected diodes, connected to a d.c. source 10 and to an output terminal 100, and a respective current and voltage limiting circuit 44, 48; 46, 50 connected to the positive terminal of each switch as shown. In the embodiment shown each limiting circuit comprises a current-limiting reactance 44, 46 bridge by a voltage absorbing diode-resistor series circuit 48, 50. In an alternative embodiment the reactance is replaced by a ferrite core. The two switches may be arranged with another four of such switches and limiters to form a bridge and each arm of the bridge may include parallel connected switches. The inverter may be used to drive a silent discharge excitation laser. <IMAGE> |
