Patent ID: 6731177
Filing Date: 2004-05-04
Classification: H03K

Abstract:
An intermittent oscillation circuit, which is utilized in a RF transmitting/receiving system, the intermittent oscillation circuit comprising:a power supply circuit; a power control circuit, comprising: a first resistor, wherein one terminal of the first resistor is electrically connected to an output terminal of the power supply circuit; a MOS, wherein a drain of the MOS is electrically connected to the other terminal of the first resistor, and a source terminal of the MOS is electrically connected to a ground; and a comparing module, wherein an output terminal of the comparing module is electrically connected to a gate of the MOS; an inversion circuit, comprising: a second resistor; a third resistor; a fourth resistor, wherein one terminal of the fourth resistor, one terminal of the third resistor and one terminal of the second resistor all are electrically connected to an input terminal of the comparing module; a first capacitor, wherein one terminal of the first capacitor is electrically connected to the ground; a second capacitor, wherein one terminal of the capacitor is electrically connected to the ground, and the other terminal of the capacitor is electrically connected to the other terminal of the third resistor; and at least one inverter, wherein an operation voltage terminal of the at least one inverter is electrically connected to the output terminal of the power supply circuit, and an input terminal of the at least one inverter is electrically connected to the other terminal of the first capacitor and the other terminal of the fourth resistor, and an output terminal of the inverter is electrically connected to the other terminal of the second resistor and is used as an output terminal of the intermittent oscillation circuit.