| 摘要 |
<p>A signal generator (50A) for producing, from a low voltage power supply, relatively large magnitude pulse signals of opposite polarity to a device (10) input terminal having a parallel resistor (11)-capacitor (12) circuit connection to a reference voltage is disclosed. A voltage multiplier (52) powered by the low voltage power supply provides a multiplied voltage output which is stored on a first large capacitor (58). A second large capacitor (59) has one terminal connected to the device (10) input terminal. To produce the large, opposite polarity signals, a control circuit means operates in conjunction with the voltage multiplier (52) and the first capacitor (58) to produce a predetermined sequence of voltages on the second terminal of the second capacitor (59). </p> |
