| 摘要 |
Disclosed are an active inductor and an oscillator using the same. the active inductor includes a first current source connected between a source voltage and a first node; a first transistor of which a drain is connected to the first node and a source is connected to a second node; a second current source connected between the second node and an earthing terminal; a second transistor of which the source is connected to the power voltage and the drain is connected to the second node; and a feedback resistance connected between the first node and a gate of the second transistor. Therefore, the present invention expands a frequency changing ranged and reduces a chip area. The present invention also can be designed in a low voltage. |
