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W wave band frequency stabilizing oscillator based on impact avalanche and transit time (IMPATT) diode

A frequency stabilization oscillation and diode technology, applied in the direction of resonators, waveguide devices, electrical components, etc., can solve the problem of small pulse power, achieve high output peak power, and improve frequency stability

Inactive Publication Date: 2016-05-04
CNGC INST NO 206 OF CHINA ARMS IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing frequency stabilized oscillators based on IMPATT diodes can also work in the W band, but the output pulse power is less than 2W, and the working temperature range can only cover -40℃~+55℃

Method used

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  • W wave band frequency stabilizing oscillator based on impact avalanche and transit time (IMPATT) diode
  • W wave band frequency stabilizing oscillator based on impact avalanche and transit time (IMPATT) diode
  • W wave band frequency stabilizing oscillator based on impact avalanche and transit time (IMPATT) diode

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Embodiment Construction

[0020] Now in conjunction with embodiment, Attached picture The present invention is further described:

[0021] combine figure 1 , the structure of the frequency stabilized oscillator in the present invention is all realized by the cavity, which includes the frequency stabilized cavity 1 , the main vibration cavity 2 , the isolator 3 and the transmission waveguide 4 . The frequency stabilization cavity 1, the main vibration cavity 2, the isolator 3 and the transmission waveguide 4 are positioned by positioning pins, and are tightly connected through long screw rods. They are connected to each other through the waveguide port. The surface of each cavity structure The size of the waveguide port is 1.27×2.54mm. The main cavity is the core component of the entire oscillator, through which the required signal is generated.

[0022] combine figure 2 , a waveguide cavity is arranged in the middle of the horizontal plane of the main vibration cavity 2, and a through hole is...

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Abstract

The invention relates to a W wave band frequency stabilizing oscillator based on an impact avalanche and transit time (IMPATT) diode. The oscillator is realized by adopting a cavity structure, and mainly comprises a main oscillator cavity, a frequency stabilizing cavity, an isolator and a feed system. The IMPATT diode is embedded into the interior of a cone-shaped snap ring, and the IMPATT diode can be fixed in the cone-shaped snap ring through the elasticity of the head of the snap ring. The complete snap ring is positioned inside the main oscillator cavity, the upper part of the snap ring is fixed through a feed rod in the feed system, and the lower part of the snap ring is fixed by adjusting a double-screw bolt. The snap ring can be firmly clamped in such manner. Moreover, a spring is configured in the feed system, and when the double-screw bolt at the bottom of the snap ring is adjusted, the spring can be elastic correspondingly so as to change the position of the IMPATT diode inside the main oscillator cavity. One end of the main oscillator cavity is directly connected with the frequency stabilizing cavity so as to improve the frequency stability of oscillation. The other end of the main oscillator cavity is directly output after being connected with the isolator, so that the interference of an external system for oscillator performance can be greatly reduced through the addition of the isolator.

Description

technical field [0001] The invention belongs to the technical field of frequency generation, in particular to a W-band frequency-stabilized oscillator based on IMPATT diodes. It is used in radio communication, measurement and other equipment that requires stable ultra-high frequency signals, and realizes the generation of W-band signals. This oscillator has good engineering feasibility. Background technique [0002] With the development of communication and radar technology, the system puts forward higher and higher requirements for the millimeter wave source. In system applications, pulse oscillators with high peak power are often required, and IMPATT diode devices can be used as pulse power sources with low repetition frequency, narrow pulse width, and high peak power output. Therefore, IMPATT diode oscillators are widely used in wave transmitters. The IMPATT diode oscillator uses the negative resistance effect generated by the combination of the diode avalanche multipli...

Claims

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Application Information

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IPC IPC(8): H01P7/00H01P7/06
CPCH01P7/00H01P7/06
Inventor 周立学饶睿楠张国强张生春杨芳红彭欢雷国忠糜光璞鄢炜森
Owner CNGC INST NO 206 OF CHINA ARMS IND GRP
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