Concentric line negative resistance oscillator专利检索-耿氏二极管二极管真空电子管电子零件及设备专利检索查询-专利查询网

Concentric line negative resistance oscillator

阅读：524发布：2020-11-01

专利汇可以提供Concentric line negative resistance oscillator专利检索，专利查询，专利分析的服务。并且A pulsed high frequency, high power negative resistance oscillator is provided which does not change its instantaneous frequency due to pulsing to any perceptible amount and thus achieves a near perfect sin x/x frequency spectrum. The oscillator can produce up to 10 watts peak power with state of the art Gunn diodes and has a very high frequency stability with change in temperature.，下面是Concentric line negative resistance oscillator专利的具体信息内容。

权利要求

1. A negative resistance oscillator which may be pulsed and whose frequency varies imperceptibly during the pulsing comprising: a concentric line including a cavity whose length is essentially equal to one full wave length at the fundamental frequency, and within which cavity there exists standing wave patterns at said fundamental frequency and at a harmonic of twice said fundamental frequency, a negative resistance diode positioned along the centerpost of said concentric line essentially at the center of said cavity, at least one tuning element extending through the outer wall of said concentric line into said cavity perpendicularly to said concentric line and substantially midway between the center and one end of said cavity, and an output connection extending through the outer wall of said concentric line into said cavity perpendicularly to said concentric line, and substantially midway between the center of said cavity and either end of said cavity.

2. The negative resistance oscillator according to claim 1 in which said negative resistance diode is positioned at approximately a node of the fundamental frequency voltage standing wave pattern and also a node of the second harmonic frequency.

3. The negative resistance oscillator according to claim 1 in which said tuning element is at an anti-node of the voltage standing wave of the fundamental frequency and a node of the second harmonic frequency.

4. The negative resistance oscillator according to claim 1 in which said output connection is located so as to couple out the fundamental frequency but not the second harmonic.

5. The negative resistance oscillator according to claim 3 in which a second tuning element extend into said cavity at another fundamental anti-node and another second harmonic node.

6. The negative resistance oscillator according to claim 1 in which said centerpost extends out of said cavity through an end enclosure which includes a pair of conductive members producing a dish like cavity having a radial length equal to about one-quarter of a wavelength.

7. The negative resistance oscillator according to claim 1 wherein said output connection is disposed adjacent the same end of said cavity as said tuning element.

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Concentric line negative resistance oscillator

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