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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

Inactive Publication Date: 2017-04-19
XIAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a miniaturized electric bridge suitable for 10MHz-8GHz, to solve the problem that the application frequency of the twisted-pair transmission line magnetic ring directional bridge in the prior art is difficult to further increase

Method used

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  • 10MHz-8GHz miniaturization bridge unit

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] The invention discloses a miniaturized electric bridge device suitable for 10MHz-8GHz, which includes an excitation signal input port P1 through which the excitation signal enters the electric bridge. The excitation signal input port P1 is connected to one end of the winding b, that is, the b1 node, and the winding B and winding a form a twisted pair and are wound on the magnetic ring, and winding c is also wound on the magnetic ring.

[0028] The twisted pair and winding c are wound on the magnetic ring, and occupy the position of one side of the magnetic ring respectively. The wound areas do not overlap and do not touch each other, so as to ensure that the impedance characteristics of the transmission line are not greatly affected, and the twisted pair The number of turns of winding c on the magnetic ring is 2, and the outer diameter...

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Abstract

The invention discloses a 10MHz-8GHz miniaturization bridge unit characterized by comprising an excitation signal input port P1; the excitation signal input port P1 is connected with one end of a winding b; the winding b and a winding a form a twisted pair winding on a magnet ring, and the magnet ring is also winded by a winding c; one ends, close to the excitation signal input port P1, of the windings a and c are connected and grounded; the other ends of the windings b and c are respectively connected between a resistor R2 and a resistor R3; the other end of the resistor R2 is connected with a resistor R1; an isolation port P2 is arranged between the resistors R1 and R2; the other end of the resistor R1 is connected with a test port P3; the other end of the winding a is connected between the resistor R1 and the test port P3. The 10MHz-8GHz miniaturization bridge unit can solve the problems that the application frequency of an existing twisted pair transmission line magnet ring orientation bridge is hard to raise.

Description

[0001] 【Technical field】 [0002] The invention belongs to the field of test instruments, in particular to a miniaturized electric bridge device suitable for 10MHz-8GHz. [0003] 【Background technique】 [0004] The vector network analyzer is an important microwave measurement tool, which is widely used in the characteristic measurement of radio frequency microwave devices. Such as: testing of passive components such as attenuators, filters, power splitters and active components such as amplifiers. By transmitting an excitation signal to the device under test, the receiver receives the transmitted signal and the reflected signal to complete the measurement of the device characteristics. These measurement information includes amplitude and phase information, which can be further converted into return loss, transmission gain and insertion loss. In recent years, miniaturized and portable vector network analyzers have been widely used. On the one hand, it is due to the needs of f...

Claims

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Application Information

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IPC IPC(8): H01P5/16
CPCH01P5/16
Inventor 马延军
Owner XIAN UNIV OF SCI & TECH
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