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Miniaturized L-to-C wave band multichannel adaptive frequency converter

A frequency converter, C-band technology, applied in the field of miniaturized L-to-C-band multi-channel adaptive frequency converter, can solve the problems of few frequency converter channels, narrow frequency range, low transmission efficiency, etc., and achieve a wide frequency range. , small size, many channels

Pending Publication Date: 2022-07-22
DFINE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the fact that the signal frequencies received by the vehicle-mounted system are different, and the existing frequency converter channels are less, the frequency range is narrow, and the continuity is poor, the transmission efficiency between different frequency signals in the vehicle-mounted system is low.
[0004] Therefore, in order to solve the problems of the existing frequency converter with fewer channels, narrow frequency range, and poor sustainability, the present invention provides a miniaturized L-to-C band multi-channel adaptive frequency converter for realizing different frequency Frequency conversion transmission between signals

Method used

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  • Miniaturized L-to-C wave band multichannel adaptive frequency converter
  • Miniaturized L-to-C wave band multichannel adaptive frequency converter
  • Miniaturized L-to-C wave band multichannel adaptive frequency converter

Examples

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Embodiment 1

[0036] A miniaturized L-to-C-band multi-channel adaptive frequency converter of this embodiment, such as Figure 1-8 As shown, it includes an L to C band miniaturized multi-channel adaptive frequency converter, including a receiving front end, an optical fiber delay module, a frequency measurement component, a frequency synthesis component, an up-conversion component and a down-conversion component,

[0037] The output RF signal of the receiving front-end component is connected to the up-conversion component through the optical fiber delay module, and the coupled output RF signal is connected to the frequency measurement module to realize frequency measurement, and at the same time, the frequency measurement result is given, including frequency measurement information, received signal power information, and pulse width. , repeat frequency and other information, and output trigger pulse; receiving front-end components at least include multiple amplifiers, multiple attenuators an...

Embodiment 2

[0039] This embodiment is further optimized on the basis of Embodiment 1, such as figure 2 As shown in the figure, the receiving front end receives the RF signal, passes through the coarse adjustment attenuator and the low noise amplifier in turn, and then enters the coupler for coupling. After coupling, amplification, and attenuation gain adjustment, the RF signal and the coupled signal are output. The coupling output gain is 15dB~20dB , the coupling degree of the microstrip coupler is 18dB±1dB.

[0040] The other parts of this embodiment are the same as those of Embodiment 1, and thus are not repeated here.

Embodiment 3

[0042] This embodiment is further optimized on the basis of the above-mentioned Embodiment 1 or 2, such as image 3As shown in the figure, the frequency measurement component amplifies and attenuates the RF signal, and then processes it by the ADC chip and the FPGA unit, and then outputs the frequency-related information after processing by the look-up table frequency measurement unit and the weighted average unit, which can realize the frequency of the coupled signal output by the receiving front-end component. Measure and output the measured frequency information to the control unit to complete the control of the frequency hopping of the local vibration. At the same time, the frequency measurement component should also give frequency measurement results, including frequency measurement information, received signal power information, pulse width, repetition frequency and other information, and output trigger pulses at the same time, adapting to signal types including pulse, li...

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Abstract

The invention relates to the technical field of electronic communication, and discloses a miniaturized L-to-C wave band multichannel adaptive frequency converter, which comprises a receiving front end assembly, an optical fiber delay module, a frequency measurement assembly, a frequency synthesizer assembly, an up-conversion assembly, a down-conversion assembly and a control unit, the receiving front-end assembly outputs a radio-frequency signal and accesses the up-conversion assembly through the optical fiber delay module, the receiving front-end assembly couples and outputs the radio-frequency signal and accesses the frequency measurement module for frequency measurement, and the frequency measurement module provides a frequency measurement result and outputs a trigger pulse; the input end of the up-conversion assembly is connected with an intermediate frequency signal A, and the output end of the up-conversion assembly outputs an L-to-C wave band radio frequency signal A; the input end of the down-conversion assembly is connected with an L-to-C wave band radio frequency signal B, and the output end of the down-conversion assembly outputs an intermediate frequency signal B; and frequency conversion transmission of L-band to C-band signals is realized. The invention is used for realizing frequency conversion transmission among signals with different frequencies.

Description

technical field [0001] The invention relates to the technical field of electronic communication, in particular to a miniaturized L-to-C-band multi-channel adaptive frequency converter, which is used for realizing frequency conversion transmission between different frequency signals. Background technique [0002] According to the IEEE 521-2002 standard, L-band refers to the radio wave band with a frequency of 1-2 GHz, which belongs to millimeter waves and can be used in DAB, satellite navigation systems, etc.; S-band refers to the frequency range of 2-4 GHz. Electromagnetic wave band , usually used in relay, satellite communication, radar, etc. Now widely used Bluetooth, ZIGBEE, wireless router, wireless mouse, etc. also use this range; C-band is a frequency band from 4.0-8.0GHz, as a communication satellite downlink The frequency band of the transmission signal, in satellite TV broadcasting and various small satellite ground station applications, this frequency band was firs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/00H04B1/10H04B10/2575H04B10/69
CPCH04B1/005H04B1/0096H04B1/1027H04B10/2575H04B10/693H04B2001/1072
Inventor 张印奇徐克兴王维
Owner DFINE TECH
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