An electrosurgical system (2) can include an electrosurgical generator (10), a feedback circuit (20) or controller (80), and an electrosurgical tool (40). The feedback circuit (20) can provide an electrosurgery endpoint by determining the phase end point of a tissue to be treated. The electrosurgical system (2) can include more than one electrosurgical tool (40) for different electrosurgical operations and can include a variety of user interface features and audio/visual performance indicators. The electrosurgical system (2) can also power conventional bipolar electrosurgical tools and direct current surgical appliances.
