Hundred-megabyte 1553B launch and control bus simulation front end

An analog front-end and bus technology, which is applied in the analog front-end field of 100M 1553B transmission and control bus, and can solve problems such as amplification

Active Publication Date: 2019-04-26
TIANJIN JINHANG COMP TECH RES INST
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  • Description
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Problems solved by technology

[0005] The present invention proposes a 100M 1553B transmission control bus analog front end to solve the technical problem of how to amplify 20-50MHz bandwidth signals

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  • Hundred-megabyte 1553B launch and control bus simulation front end

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Embodiment Construction

[0015] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] This embodiment proposes a 100M 1553B transmission and control bus analog front-end, its principle block diagram is as follows figure 1 shown. The analog front-end works in half-duplex mode, and both the receiving channel and the transmitting channel are implemented on the same set of analog front-end. Among them, the analog front-end includes a band-pass filter, an electronic switch, a DAC signal adjustable gain amplifier, a smoothing filter, an isolation transformer, a limiting circuit, a first-stage amplifier, an anti-aliasing filter, an ADC signal adjustable gain amplifier, A second stage amplifier and a third stage amplifier.

[0017] The operating frequency of the analog front end of this embodiment is 20...

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Abstract

The invention belongs to the technical field of bus control, and particularly relates to a hundred-megabyte 1553B launch and control bus simulation front end. The simulation front end comprises a band-pass filter, an electronic switch, a tunable gain amplifier, a smoothing filter, an isolation transformer, an amplitude limiting circuit, an anti-aliasing filter, a first amplifier, a second amplifier and a third amplifier. The simulation front end can achieve the radio frequency front end functions such as power amplification of radio frequency transmitting signals, frequency selection, filtering and low-noise amplification of receiving signals and on-off switching of transceiving signals. A built-in high-performance radio frequency filter can effectively filter away out-band interference, and the anti-interference performance and waveform integrity of terminal equipment are ensured. A coaxial cable and a power divider are externally connected, and matching transmission of radio frequency signals can be achieved.

Description

technical field [0001] The invention belongs to the technical field of bus control, and in particular relates to a 100M 1553B transmission control bus analog front end. Background technique [0002] The launch control bus is an indispensable part of the weapon system. With the development of new bus technology, the continuous improvement of measurement launch control technology and the development of missile technology, higher requirements are put forward for the transmission bandwidth of the launch control bus. Among them, the analog front-end plays a vital role in the transmission-control bus, and the design of the analog front-end has always been the core content of the research in the field of transmission-control bus. [0003] The analog front end of the 100M 1553B transmission and control bus needs to amplify the signal with a bandwidth of 20-50MHz. This frequency band is not involved in the field of the existing analog front end. The existing analog front end is mainl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/21119
Inventor 聂臣林王刚高广杰刘剑峰
Owner TIANJIN JINHANG COMP TECH RES INST
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