| 摘要 |
In an embodiment consistent with the present invention, a semiconductor device having a oscillating circuit comprises: a first transistor having a control electrode and having one end and the other end of a current path thereof; a second transistor having a control electrode and having one end and the other end of a current path thereof, the control electrode is coupled to one end of the current path of the first transistor and one end of the current path thereof is coupled to the control electrode of the first transistor; a current mirror circuit that supplies a current to one end of the current path of the first transistor and one end of the current path of the second transistor; an inductor coupled to one end of the current path of the first transistor and one end of the current path of the second transistor; a first capacitor coupled to one end of the current path of the first transistor and one end of the current path of the second transistor; and a second capacitor and a switch element coupled with, are coupled one end of the current path of the first transistor and one end of the current path of the second transistor. |
