10MHz-8GHz miniaturization bridge unit
An electric bridge and resistor technology, applied in the field of miniaturized electric bridge devices, can solve the problem that the application frequency of the magnetic loop directional electric bridge of the twisted pair transmission line is difficult to be further increased, and achieves the advantages of miniaturization, miniaturization design, and reduction of components. The effect of the indicator
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[0026] The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0027] The invention discloses a miniaturized bridge device suitable for 10MHz-8GHz, which includes an excitation signal input port P1, through which the excitation signal enters the bridge, and the excitation signal input port P1 is connected to one end of winding b, that is, node b1. b and winding a form a twisted pair wire wound on the magnetic ring, and winding c is also wound on the magnetic ring,
[0028] The twisted pair and the winding c are wound on the magnetic ring, and occupy one side of the magnetic ring respectively. The winding areas do not overlap and do not contact each other to ensure that the impedance characteristics of the transmission line are not greatly affected. The number of turns of the winding c on the magnetic ring is 2. The outer diameter of the magnetic ring is 3mm to ensure the directionality of the bridge device in the applicable...
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