Patent ID: 7450058
Filing Date: 2008-11-11
Classification: G01S,H03B,H03K

Abstract:
1. A radar oscillator comprising: an oscillating unit having amplifier means and at least one of a feedback circuit which applies a positive feedback from an output side to an input side of the amplifier means and a resonator which resonates at the predetermined frequency, the at least one of the feedback circuit and the resonator cooperating with the amplifier means to enable oscillation at a predetermined frequency, the resonator being connected to an input section or output section of the amplifier means, and the oscillating unit outputting and stopping an oscillation signal having the predetermined frequency from the output side of the amplifier means in an oscillating state and an oscillation stop state, respectively; and switching means connected to the oscillating unit, the switching means including an electronic switch which, receives a pulse signal indicating a transmission timing of a radar wave and changes an operating state of the oscillating unit to the oscillating state and the oscillation stop state at first and second levels of the pulse signal in order to intermit an output of the oscillation signal in response to a level of the pulse signal; wherein the oscillating unit selectively has a high frequency earth line, a power supply line for the amplifier means in the oscillating unit, and an element to set the oscillating unit outside of a normal operation range, and wherein the switching means includes a plurality of switches obtained by selectively combining: