A dual-channel broadband signal device for changing field distribution

Abstract

The invention discloses a dual-channel broadband signal device for changing field distribution, which belongs to the technical field of electromagnetic fields and circuits. The dual-channel broadband signal device includes a dual-channel broadband adjustable power signal source and an electromagnetic radiation device; the dual-channel broadband adjustable power signal source includes: a single-chip microcomputer, a signal source, a power splitter, a first adjustable gain amplifier, a second adjustable The gain amplifier, the first phase shifter, the second phase shifter, the phase-locked loop and the power supply module for supplying power to each device, the power divider is connected with the signal source, and is used to divide the signal output by the signal source into A and B. , respectively enter the radiation experiment cavity of the electromagnetic radiation device from both ends. The present invention uses the broadband electromagnetic radiation cavity as the carrier of the electromagnetic wave. The electromagnetic field generated by it is evenly distributed, and the internal electromagnetic field distribution can be controlled and changed to provide a DC-6GHz broadband electromagnetic radiation field, which has good broadband characteristics; the signal device can Controllability, convenient experimental operation, better cell radiation experiment.

Description

Technical field [0001] The present invention relates to the field of electromagnetic fields, and more particularly to a dual broadband signal device for changing the field distribution. Background technique [0002] Signal sources play a big role in detecting and experiments in communication, and play a big role in other fields, such as biological fields to study electromagnetic radiation on cells. [0003] In order to study the field distribution of the radiant cavity of the DC-6GHz broadband electromagnetic radiation experiment, many types of signal sources are designed in the prior art, but there is a small frequency range adjustment, large noise, and power and phase adjustment. For problems such as analyzing internal field distribution, the applicability of the control field structure is worse. Inventive content [0004] The present invention provides a dual broadband signal for changing the field distribution to provide a stable signal source output, better controlling the ...

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Problems solved by technology

[0003] In order to study the field distribution in the radiation cavity of the DC-6GHz broadband electromagnetic radiation experimental device, many types of signal sources have been designed in the prior art, but there are small frequency range adjustments, large noise, and power and phase adjustments that cannot be performed. Poor applicability for analyzing internal field distribution and controlling field structure

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