| 摘要 |
The square wave production circuit for power source includes: a pumping circuit (1) comprising a resister and a capacitor for charging/discharging the power source; a differential amplification Schmitt circuit comprising a LD for displaying charging/ discharging states, FETs, resisters and a diode; a switching circuit (3) comprising the switching transistors for providing or cutting off the power source, resisters and a diode. |
