A millimeter-wave low-noise coupling amplifying component
A technology of coupling amplification and low noise, which is applied in the field of millimeter wave low noise coupling amplification components, can solve the problems of self-excited oscillation, large reflection, and large noise factor, and achieves the advantages of easy process, simple cavity structure, and good performance indicators Effect
Active Publication Date: 2017-12-29
CHENGDU LATEST ELECTRONICS TECH
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Problems solved by technology
The propagation of these radiations in the cavity will form a feedback. Excessive feedback will cause self-excited oscillation and cause the amplifier to fail to work normally.
At the same time, if the RF terminal and the cavity are not well assembled, there will be a large reflection between the matching circuit and the noise figure will increase.
The front-end low-noise amplifier of the receiver system does not have a self-test input channel, which is not conducive to judging whether the working status of the receiver is normal
Method used
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[0015] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:
[0016] like Figure 1~Figure 4 As shown, a millimeter-wave low-noise coupling amplifier assembly includes a main cavity 1, a radio frequency connector 2, a radio frequency terminal 3 and a feed terminal 4, and grooves 5 are opened at both ends of the main cavity 1 , and the groove 5 is covered by the cover plate 6, wherein a coupling circuit 7 and a radio frequency circuit 8 are arranged in the front groove, the coupling circuit 7 is connected to the radio frequency circuit 8, the two ends of the radio frequency circuit 8 and One end of the coupling circuit 7 is connected to a radio frequency terminal 3 respectively, so that the coupling amplifier assembly has two input terminals and an output terminal, wherein one end of the radio frequency circuit 8 is used as an input terminal, the other end is us...
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The invention discloses a millimeter-wave low-noise coupling amplification component. The millimeter-wave low-noise coupling amplification component comprises a main cavity (1), radio frequency connectors (2) and a feed terminal (4), wherein grooves (5) are formed in the two ends of the main cavity (1), a coupling circuit (7) and a radio frequency circuit (8) are arranged in the groove in the front side, the coupling circuit (7) and the radio frequency circuit (8) are connected, three radio frequency terminals (3) are connected to the two ends of the radio frequency circuit (8) and one end of the coupling circuit (7) respectively, each radio frequency terminal (3) is connected with one radio frequency connector (2), the radio frequency connectors (2) are installed on the outer side wall of the main cavity (1), a power supply processing circuit (9) is installed in the groove in the back side of the main cavity (1) and connected with one end of the feed terminal (4), and the other end of the feed terminal (4) is connected with the radio frequency circuit (8). The millimeter-wave low-noise coupling amplification component has the advantages that the structure is simple, performance indexes are good, and a self-inspection channel is provided.
Description
technical field [0001] The invention relates to a low-noise coupling amplifying device of a receiver system, in particular to a millimeter-wave low-noise coupling amplifying component. Background technique [0002] Millimeter waves have been widely used in radar, electronic countermeasures, and millimeter wave communications. The millimeter-wave low-noise coupling amplifier component is used as a front-end low-noise amplifier of a receiver system, has a low noise figure, and also provides a self-test channel for the receiver system. The front-end low-noise amplifier is an important part of the receiver system, and its noise figure index and gain index directly affect the sensitivity of the receiver system. [0003] Due to the high frequency of the millimeter wave band, radiation will be generated in the unevenness of the microwave components of the circuit and the microstrip line. The propagation of these radiations in the cavity will form a feedback. Excessive feedback wi...
Claims
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IPC IPC(8): H03F1/26H03F3/195
CPCH03F1/26H03F3/195
Inventor 黄泽伟胡标李元元李鸿翔
Owner CHENGDU LATEST ELECTRONICS TECH