Down-conversion module based on PXI interface

A frequency conversion module and interface module technology, which is applied in the field of down conversion modules based on PXI interface, can solve problems such as insufficient flexibility and scalability, higher bandwidth requirements for down conversion signals, and technical indicators that cannot be changed, so as to improve flexibility and scalability, the effect of increasing the bandwidth of the downconverted signal

Pending Publication Date: 2022-03-18
国营芜湖机械厂
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Problems solved by technology

However, some products encountered in the current test have higher requirements for the signal bandwidth of the down-conversion, and need to meet the bandwidth requirement of 100MHz for RF input. Such modules on the market are all shelf products, and th

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  • Down-conversion module based on PXI interface
  • Down-conversion module based on PXI interface

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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below.

[0026] like figure 1 As shown, a down conversion module based on PXI interface, including:

[0027] The PXI interface module communicates with the PXI backplane bus to realize the control of the board by the host computer;

[0028] Frequency conversion module, used to complete the frequency conversion function of 250kHz ~ 6GHz input signal;

[0029] The intermediate frequency control module cooperates with the frequency conversion module to provide a control signal corresponding to the frequency conversion module;

[0030] The power supply module mainly generates various power supplies required by the intermediate frequency control module and the frequency conversion module;

[0031] The clock module generates a 50M clock signal for use by the IF control module.

[0032] The PXI int...

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Abstract

The invention relates to the field of 100M bandwidth down-conversion based on a PXI interface, in particular to a down-conversion module based on the PXI interface, which comprises a PXI interface module, a frequency conversion module, an intermediate frequency control module, a power supply module and a clock module.According to the down-conversion module based on the PXI interface, the down-conversion signal bandwidth is increased to 100MHz on the basis of the existing 50MHz; and meanwhile, a software reconstruction design technology is adopted, and the functions of the board card are configured in real time when the board card is started, so that the flexibility and expandability of the board card are improved.

Description

technical field [0001] The invention relates to the field of 100M bandwidth down-conversion based on the PXI interface, in particular to a down-conversion module based on the PXI interface. Background technique [0002] There are a large number of PXI frequency conversion modules abroad. Typical manufacturers include NI, Agilent, Aeroflex and other companies. For the frequency conversion module of the 6GHz gear, its signal processing bandwidth is mainly concentrated within 40MHz. However, some products encountered in the current test have higher requirements for the signal bandwidth of the down-conversion, and need to meet the bandwidth requirement of 100MHz for RF input. Such modules on the market are all off-the-shelf products, and the technical specifications cannot be changed. At the same time, the functions of the PXI boards of the shelf products are fixed, and the functions of the boards cannot be properly modified by the software, resulting in insufficient flexibilit...

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Application Information

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IPC IPC(8): G06F13/42H03D7/16
CPCG06F13/4221H03D7/16G06F2213/0024
Inventor 周勇军张小辉刘良勇袁荣
Owner 国营芜湖机械厂
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