No-reflection microwave amplification device

A technique for amplifying devices and reflecting microwaves, which is applied to components of amplifying devices, radio frequency amplifiers, amplifiers, etc., which can solve the problem of no reflection of amplifier signals and achieve the effect of reducing stray signals

Active Publication Date: 2019-04-19
BEIJING INST OF RADIO MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One object of the present invention is to provide a reflectionless microwave amplifier, which solves the problem that the signal of the amplifier has no reflection in the full frequency band

Method used

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Embodiment Construction

[0040] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0041] According to one aspect of the present invention, this embodiment discloses a monitoring device for a single-board control board. Such as figure 1 As mentioned above, in this embodiment, the non-reflection microwave amplification device includes a signal input terminal RFin, a signal output terminal RFout, an amplifier Amp, a first series resonant cavity S_Reso1, a second series resonant cavity S_Reso2, a first parallel resonant cavity P_Reso1, a second The parallel resonator P_Reso2, the third series resonator S_R...

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Abstract

The invention discloses a no-reflection microwave amplification device. The device comprises a signal input end, a signal output end, an amplifier, a first series resonant cavity, a second series resonant cavity, a first parallel resonant cavity, a second parallel resonant cavity, a third series resonant cavity, a fourth series resonant cavity, a third parallel resonant cavity and a fourth parallel resonant cavity; when an input signal frequency of the signal input end is in a pass band, all the series resonant cavities are in low resistance states, all the parallel resonant cavities are in high resistance states, and the amplifier is conducted; and when the input signal frequency of the signal input end is outside the pass band, all the series resonant cavities are in the high resistancestates, all the parallel resonant cavities are in the low resistance states, and the amplifier is short-circuited. The problem of no reflection of signals in the whole frequency band for the amplifieris solved.

Description

technical field [0001] The invention relates to the technical field of microwave amplification. More specifically, it relates to a reflectionless microwave amplification device. Background technique [0002] The types of microwave amplifiers include: low-noise amplifiers, power amplifiers, drive amplifiers, etc. Microwave amplifiers are widely used in microwave circuits, among which low-noise amplifiers are key components of the receiver system, which can effectively suppress the noise figure of the front-end of the receiver , improve receiver sensitivity, and play an important role in guidance, radar, electronic countermeasures, communications and other fields. Among them, the power amplifier is a key component of the transmitter system, and the power amplifier needs to efficiently transmit the microwave power signal to the antenna for transmission. Whether it is a low-noise amplifier or a power amplifier, port matching is an important indicator. It is the key to the effe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F1/56H03F1/26H03F3/193H03F3/21H03F3/24H03F3/45
CPCH03F1/26H03F1/565H03F3/193H03F3/211H03F3/245H03F3/45179H03F2203/45201H03F2203/45156H03F2200/451H03F2200/372H03F2203/45034H03F2200/294
Inventor 曹佳陈鹏鹏郝迦琛门涛
Owner BEIJING INST OF RADIO MEASUREMENT
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