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Electromagnetic signal field strength meter

An electromagnetic signal and field strength meter technology, applied in the direction of electromagnetic field characteristics, etc., can solve the problems of non-professional units or personnel difficulty and high price

Inactive Publication Date: 2015-07-29
王志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many methods and instruments for measuring the field strength of electromagnetic signals. Although the professional instruments for measuring the field strength of electromagnetic signals on the market have excellent performance, they have defects such as high price and unacceptable for non-professional units or personnel.

Method used

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  • Electromagnetic signal field strength meter

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Embodiment Construction

[0013] According to attached figure 1 The working principle diagram and accompanying drawings of the electromagnetic signal field strength meter circuit shown, and the connection relationship between the components in each part of the circuit described in the summary of the invention, as well as the technical parameter requirements and circuit production of the components described in the implementation mode The present invention can be realized by implementing the main points, and the related technologies of the present invention will be further described below in conjunction with the embodiments.

[0014] Selection of components and their technical parameters

[0015] D1 and D2 are detector diodes, the selected model is 1N60;

[0016] The resistance value of resistor R1 is 10KΩ;

[0017] C1 is a coupling capacitor, a ceramic capacitor with a capacity of 1000PF and a withstand voltage of 40V can be selected; C2 is a filter capacitor, and a ceramic capacitor with a capacity ...

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Abstract

The invention discloses an electromagnetic signal field strength meter. The electromagnetic signal field strength meter is characterized by comprising an electromagnetic signal receiving circuit, an electromagnetic signal voltage-multiplying detecting and filtering circuit and a sensitivity control and indication circuit. Detecting diodes D1 to D2 are model 1N60 in the electromagnetic signal detecting and filtering circuit. The electromagnetic signal field strength meter uses a 10 microampere meter head as a qualitative indication device and can be used for measuring electromagnetic signal field strength emitted by various miniature emitters and cellphones, and measurement results of the electromagnetic signal field strength can meet common technical requirements of measurement. The electromagnetic signal field strength meter has the advantages of simple circuit structure, high measurement sensitivity, stable operation performance, low manufacturing cost and the like.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic signal measurement, and relates to an electromagnetic signal field strength meter. Background technique [0002] There are many methods and instruments for measuring the field strength of electromagnetic signals. Although the professional instruments for measuring the field strength of electromagnetic signals on the market have excellent performance, they have defects such as high price and difficulty in acceptance by non-professional units or personnel. In order to overcome and make up for these problems, it is necessary to develop a practical electromagnetic signal field strength meter with simple circuit structure, low production cost, stable working performance. [0003] The electromagnetic signal field strength meter described in the present invention selects 10μA microampere gauge as a qualitative indicator device, and it can be used to measure the field strength of electromagnetic s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/08
Inventor 王志
Owner 王志
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