Microwave millmeter wave broad band three decibel orthogonal digital phase shifter

A quadrature digital, three-decibel technology, used in waveguide-type devices, electrical components, networks using active components, etc., can solve the problem of poor electrical performance consistency between circuits, influence of process control parameters, large frequency bandwidth, and large phase shift. and other problems, to achieve the effect of good batch consistency of electrical performance, high phase shift accuracy, and operating frequency bandwidth.

Inactive Publication Date: 2006-06-07
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Similar products of 90-degree (orthogonal) phase shift digital phase shifter, due to the defects of the circuit topology and process implementation method used in the design, coupled with the large frequency bandwidth and large phase shift, whether it is coaxial, waveguide, hybrid integration, Low-temperature co-fired ceramic three-dimensional integrated circuits and other methods are still implemented by gallium arsenide monolithic integrated circuits, usually wi

Method used

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  • Microwave millmeter wave broad band three decibel orthogonal digital phase shifter
  • Microwave millmeter wave broad band three decibel orthogonal digital phase shifter
  • Microwave millmeter wave broad band three decibel orthogonal digital phase shifter

Examples

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Embodiment 1

[0011] Example 1. combine figure 1 , figure 2 , image 3 , the microwave millimeter wave broadband three-decibel quadrature digital phase shifter of the present invention, it is made of three parts of broadband three-decibel quadrature directional coupler A, broadband matching single-pole double-throw switch B and broadband standard 50 ohm matching load C, wherein Including broadband 3dB quadrature directional coupler A, broadband matching SPDT switch B and broadband standard 50 ohm matching load C. The input end of the broadband three-decibel orthogonal directional coupler A is the input / output end of microwave and millimeter wave signals, and the isolation end corresponding to the input end of the broadband three-decibel orthogonal directional coupler A is connected with a broadband standard 50 ohm matching load C, which is connected with the broadband three-decibel orthogonal directional coupler A. The straight-through end corresponding to the input end of the decibel q...

Embodiment 2

[0020] Example 2. combine figure 1 , figure 2 , Figure 4 , the microwave and millimeter wave broadband three-decibel quadrature digital phase shifter of the present invention is different from Embodiment 1 except that the broadband matching SPDT switch adopts components such as PIN diodes to realize the difference from Embodiment 1, and the rest are the same as Embodiment 1, and the different parts are as follows The detailed description is as follows:

[0021] Any port of the broadband three-decibel orthogonal directional coupler (DC) is a microwave / millimeter-wave signal input / output port (P2), and the isolation port corresponding to P2 is connected to a broadband standard 50 ohm matching load (LOAD), and corresponding to P2 is DC The coupling end of the coupling end is connected to one end of the microstrip line T7 in the broadband matching SPDT switch composed of PIN diodes, the other end of T7 is connected to one end of the capacitor C4, and the other end of C4 is co...

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Abstract

This invention relates to a microwave and millimeter wave broad band 3db orthogonal digital phase shifter including a 3db orthogonal directional coupler, in which, an isolation end corresponding to the input of the coupler is connected with a broad band standard 50 ohm matched load, the through end corresponding to the input of the coupler is connected with a port of a branch of a broad band matched single-pole double throw switch, K1 and K2 are two control ends of the switch, the control signal controls the input/output of the microwave and millimeter wave signals from a port of the switch or the other to let it input/output from the public end of the switch.

Description

a technical field [0001] The invention relates to an electronic component used for communication and guidance, in particular to a microwave and millimeter wave broadband three-decibel quadrature digital phase shifter. Two background technology [0002] Microwave and millimeter wave broadband three-decibel quadrature phase shifter is an electronic component mainly used in electronic system equipment such as digital microwave communication, mobile communication, radar, electronic countermeasures and guidance instruments. In the control circuit of broadband microwave and millimeter wave frequency band, digital phase shifter is one of the main control circuits of microwave and millimeter wave. The main technical indicators describing the performance of this product are: 1) Operating frequency bandwidth; 2) Phase shift number; 3 ) phase shift 4) phase shift accuracy; 5) insertion loss; 6) insertion loss difference of each state; 7) voltage standing wave ratio of input and output ...

Claims

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Application Information

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IPC IPC(8): H03H11/00H01P1/18
Inventor 戴永胜张晓陆言亮沈博
Owner NANJING UNIV OF SCI & TECH
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