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Up-converter for intelligent power regulation based on single chip microcomputer

A technology of single-chip microcomputer and frequency converter, which is applied in the field of communication, can solve problems such as intermodulation distortion at the receiving end, unstable input signal, and inability to adjust the gain, and achieve the effect of stable output power

Inactive Publication Date: 2017-07-07
ANHUI BOWEI ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The main disadvantage of the up-converter in the prior art is that its own output power cannot be adjusted, and its own gain cannot be adjusted according to the power of the input signal at the signal input end, so the stability of the output power cannot be guaranteed.
In other words, the up-converter in the prior art cannot ensure that the output power of the signal can effectively match the power range required by the receiving end, which directly leads to the instability of the input signal received by the user as the receiving end. It greatly affects the user's receiving effect, and it is more likely that the signal input power is too low, resulting in intermodulation distortion at the receiving end.

Method used

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  • Up-converter for intelligent power regulation based on single chip microcomputer
  • Up-converter for intelligent power regulation based on single chip microcomputer
  • Up-converter for intelligent power regulation based on single chip microcomputer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 Shown is the structural representation of the present invention.

[0028] An up-converter for intelligent power regulation based on a single-chip microcomputer provided by the present invention includes a signal input device 10, a power detection device 15, a multi-stage low-noise amplifier 20, a single-chip microcomputer 25, a first mixer 30, a band-pass filter 35, A first local oscillator 40 , a second local oscillator 45 , a signal noise detection device 50 , a second mixer 60 and a multistage power amplifier 70 .

[0029] The signal input device 10 is used for inputting the time-domain signal X(t) to be frequency-converted.

[0030] The power detection device 15 is electrically connected with the signal input device 10 and the single-chip microcomputer 25 respectively, and the power detection device 15 is used to detect the signal power of the time-domain signal S (t) to be frequency-converted, and the signal power of the time-domain signal S (t) t...

Embodiment 2

[0056] The difference between this embodiment and Embodiment 1 is that, since the single-chip microcomputer 25 belongs to the low-frequency controller, it is easy to generate signal interference to the up-converter working in the high-frequency band. Therefore, the single-chip microcomputer is built in an aluminum shielding device, and its The beneficial effect is that the mutual independence between the signal single-chip microcomputer control signal and the high-frequency signal can be realized.

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Abstract

The invention provides an up-converter for intelligent power regulation based on a single chip microcomputer. The up-converter comprises a signal input device, a power detection device, a multi-stage low noise amplifier, a single chip microcomputer, a first mixer, a band-pass filter, a first local oscillator, a second local oscillator, a signal noise detection device, a second mixer and a multi-stage power amplifier, wherein the signal input device is separately connected with the power detection device and the low noise amplifier; the first mixer is separately connected with the low noise amplifier, the band-pass filter, the first local oscillator and the signal noise detection device; and the second mixer is separately connected with the signal noise detection device, the multi-stage power amplifier, the band-pass filter and the second local oscillator, and the single chip microcomputer is a central controller. Compared with the prior art, the up-converter provided by the invention has the beneficial effects as follows: the gain of the multi-stage low noise amplifier and the multi-stage power amplifier can be changed according to different input signal power, and the output power can be stabilized.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to an up-converter for intelligent power regulation based on a single-chip microcomputer. Background technique [0002] The main disadvantage of the up-converter in the prior art is that its own output power cannot be adjusted, and its own gain cannot be adjusted according to the power of the input signal at the signal input end, so the stability of the output power cannot be guaranteed. In other words, the up-converter in the prior art cannot ensure that the output power of the signal can effectively match the power range required by the receiving end, which directly leads to the instability of the input signal received by the user as the receiving end. It greatly affects the user's receiving effect, and it is more likely that the signal input power is too low to cause intermodulation distortion at the receiving end. [0003] In view of the above-mentioned defects, the creat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03D7/16
CPCH03D7/161
Inventor 万博文
Owner ANHUI BOWEI ELECTRONICS TECH