基本信息:
- 专利标题： Variable reactance apparatus, oscillator, and radar apparatus
- 专利标题（中）：可变反应装置，振荡器和雷达装置
- 申请号：JP2003375370 申请日：2003-11-05
- 公开(公告)号：JP2007049212A 公开(公告)日：2007-02-22
- 发明人： KATO TAKATOSHI , NISHIYAMA TAIYO , ISHIKAWA YOHEI , TANIZAKI TORU
- 申请人： Murata Mfg Co Ltd , 株式会社村田製作所
- 专利权人： Murata Mfg Co Ltd,株式会社村田製作所
- 当前专利权人： Murata Mfg Co Ltd,株式会社村田製作所
- 优先权： JP2003375370 2003-11-05
- 主分类号： H01P1/00
- IPC分类号： H01P1/00 ; H01P1/06 ; H01P5/04 ; H03B5/18
摘要：
PROBLEM TO BE SOLVED: To reduce a cost in a variable reactance apparatus 1 which is used for an FM-CW radar etc. and generates a modulation wave for modulating a transmission wave into a triangular modulation wave.
SOLUTION: There is provided a rotor 2 having a deformed shape in the circumferential direction and arranged in the proximity of a substrate 11 consisting of a coplanar line and a micro-strip line. The rotor 2 also consists of a conductor and a dielectric. Accordingly, by rotating the rotor 2, it is possible to change the position and amount of the capacitance generated between the transmission line and the rotor 2 and at the side of the rotor 2, thereby changing the reactance viewed from the side of the transmission line. Thus, when handling a high-frequency signal such as a millimeter-wave band, it is difficult to change the reactance by an electric method but a reactance change can be realized by a mechanical method, thereby obtaining an excellent linearity and frequency characteristic at a low cost.
COPYRIGHT: (C)2007,JPO&INPIT
摘要（中）：
SOLUTION: There is provided a rotor 2 having a deformed shape in the circumferential direction and arranged in the proximity of a substrate 11 consisting of a coplanar line and a micro-strip line. The rotor 2 also consists of a conductor and a dielectric. Accordingly, by rotating the rotor 2, it is possible to change the position and amount of the capacitance generated between the transmission line and the rotor 2 and at the side of the rotor 2, thereby changing the reactance viewed from the side of the transmission line. Thus, when handling a high-frequency signal such as a millimeter-wave band, it is difficult to change the reactance by an electric method but a reactance change can be realized by a mechanical method, thereby obtaining an excellent linearity and frequency characteristic at a low cost.
COPYRIGHT: (C)2007,JPO&INPIT
要解决的问题：为了降低用于FM-CW雷达等的可变电抗装置1的成本，并且产生用于将发送波调制成三角调制波的调制波。 解决方案：提供了一种在圆周方向上具有变形形状并且布置在由共面线和微带线组成的基板11附近的转子2。 转子2还由导体和电介质构成。 因此，通过使转子2旋转，可以改变传输线与转子2之间以及转子2一侧产生的电容的位置和量，从而改变从传输线侧观察的电抗 。 因此，当处理诸如毫米波段的高频信号时，难以通过电气方式改变电抗，但是可以通过机械方法实现电抗变化，从而获得优异的线性和频率特性 低成本。 版权所有（C）2007，JPO＆INPIT