CN205248410U - Ware is divided to high power merit based on coaxial line - Google Patents

Abstract

The utility model provides a ware is divided to high power merit based on coaxial line, including first coaxial line R1 omega, second coaxial line R2 omega, an input port RF1, the 2nd output port RF2, the 3rd output port RF3, first microstrip line TL1, second microstrip line TL2, third microstrip line TL3, fourth microstrip line TL4, the 5th microstrip line TL5 and the 6th microstrip line TL6 high power radiofrequency signal import from an input port RF1, the 2nd output port RF2 is the same with the 3rd output port RF3 output signal range, the 2nd output port RF2 output signal is the same with the incoming signal phase place, the 3rd output port RF3 output signal and incoming signal phase difference - 90. The utility model has the beneficial effect of simple structure, shut that the preparation is convenient, can be used for high power radiofrequency signal or synthetic has with low costs, frequency band width, the high advantage of stability.

Description

A kind of high power power splitter based on coaxial line

Technical field

The utility model belongs to power splitter technical field, especially relates to a kind of high power power splitter based on coaxial line.

Background technology

Conventionally, relate to the synthetic device of power and be called as synthesizer, the device that relates to power division is called as power splitter. ByBelong to reciprocal structure in power combiner and power divider, identical circuit is regarded as power splitter or synthesizer conversely,The name of input, output port is depended in its design. In balanced power amplifiers, need with the conduct of 3dB orthocouplerPower splitter, synthesizer. 3dB orthocoupler can use branch line coupler or have the Wilkinson of 90 ° of phase shiftsPower splitter is realized, but these methods are processed the craft precision of all having relatively high expectations constantly, is not easy to realize.

Utility model content

The purpose of this utility model is to provide a kind of high power power splitter based on coaxial line, it is simple in structure, easy to make,Can be for the shunt of high power RF signal or synthetic, have advantages of that cost is low, bandwidth, stability be high.

The technical solution of the utility model is: a kind of high power power splitter based on coaxial line, comprises the first coaxial line R₁Ω、The second coaxial line R₂Ω, first input end mouth RF1, the second output port RF2, the 3rd output port RF3, first micro-Band line TL1, the second microstrip line TL2, the 3rd microstrip line TL3, the 4th microstrip line TL4, the 5th microstrip line TL5 and theSix microstrip line TL6, described the first coaxial line R₁Ω comprises the first inner wire R₁₁Ω and the first outer conductor R₁₂Ω, describedOne inner wire R₁₁Ω is connected with the second output port RF2 by the second microstrip line TL2, described the second coaxial line R₂Ω bagDraw together the second inner wire R₂₁Ω and the second outer conductor R₂₂Ω, described the first outer conductor R₁₂1 pin of Ω is by the first microstrip lineTL1 is connected with first input end mouth RF1, described the first outer conductor R₁₂2 pin of Ω are by the 5th microstrip line TL5 and electricity1 pin of sense L1 connects, and 2 pin of inductance L 1 are by the 6th microstrip line TL6 and the second outer conductor R₂₂1 pin of Ω connects,The second outer conductor R₂₂2 pin of Ω are connected with the 3rd output port RF3 by the 3rd microstrip line TL3, lead in described secondBody R₂₁2 pin of Ω are by the 4th microstrip line TL4 and resistance R 1 ground connection, described the first inner wire R₁₁2 pin of Ω andTwo inner wire R₂₁Between 1 pin of Ω, be connected with the 3rd inner wire R₃₁Ω。

Further, described the first inner wire R₁₁Ω, the second inner wire R₂₁Ω and the 3rd inner wire R₃₁Ω is structure as a wholeCopper conductor.

Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, for ultrashort wave frequency modelRadiofrequency signal in enclosing, this power splitter two-way Insertion Loss is 3.2-3.7dB, phase difference is 85 °-95 °, two output portsBetween isolation be greater than 20dB. High power power splitter that should be based on coaxial line have make simple, cost is low, bandwidth,The features such as power capacity is large.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is elaborated.

As shown in structural representation as of the present utility model in Fig. 1, the utility model provides a kind of high power merit based on coaxial lineDivide device, it is characterized in that: comprise the first coaxial line R₁Ω, the second coaxial line R₂Ω, first input end mouth RF1, secondOutput port RF2, the 3rd output port RF3, the first microstrip line TL1, the second microstrip line TL2, the 3rd microstrip line TL3,The 4th microstrip line TL4, the 5th microstrip line TL5, the 6th microstrip line TL6, described the first coaxial line R₁Ω comprises in firstConductor R₁₁Ω and the first outer conductor R₁₂Ω, described the first inner wire R₁₁Ω is by the second microstrip line TL2 and the second outputMouth RF2 connects, described the second coaxial line R₂Ω comprises the second inner wire R₂₁Ω and the second outer conductor R₂₂Ω, described firstOuter conductor R₁₂1 pin of Ω is connected with first input end mouth RF1 by the first microstrip line TL1, described the first outer conductor R₁₂Ω2 pin be connected with 1 pin of inductance L 1 by the 5th microstrip line TL5,2 pin of inductance L 1 pass through the 6th microstrip line TL6With the second outer conductor R₂₂1 pin of Ω connects, the second outer conductor R₂₂2 pin of Ω are by the 3rd microstrip line TL3 and the 3rd defeatedOutbound port RF3 connects, described the second inner wire R₂₁2 pin of Ω are by the 4th microstrip line TL4 and resistance R 1 ground connection, instituteState the first inner wire R₁₁2 pin of Ω and the second inner wire R₂₁Between 1 pin of Ω, be connected with the 3rd inner wire R₃₁Ω。

The course of work of this example: the high power power splitter based on coaxial line that the utility model provides in use, Gao GongRate radiofrequency signal is from first input end mouth RF1 input, the second output port RF2 and the 3rd output port RF3 output signalAmplitude is identical, and the second output port RF2 output signal is identical with input signal phase place, the 3rd output port RF3 output letterNumber with input signal phase difference-90 °. When this power splitter uses as synthesizer, the second output port RF2 and the 3rd outputPort RF3 is as input, and input signal amplitude is identical, 90 ° of phase differences, and first input end mouth RF1 is as synthetic letterNumber output, its phase place is identical with the second output port RF2 input signal phase place. For penetrating in ultrashort wave frequency rangeFrequently signal, this power splitter two-way Insertion Loss is 3.2-3.7dB, phase difference is 85 °-95 °, the isolation between two output portsDegree is greater than 20dB. High power power splitter that should be based on coaxial line have make simple, cost is low, bandwidth, power capacityThe feature such as large.

Above an embodiment of the present utility model is had been described in detail, but described content is only of the present utility modelGood embodiment, can not be considered to for limiting practical range of the present utility model. Allly do according to the utility model application rangeEqualization change with improve etc., within all should still belonging to patent covering scope of the present utility model.

Claims (2)

1. the high power power splitter based on coaxial line, is characterized in that: comprise the first coaxial line R₁Ω, second coaxialLine R₂Ω, first input end mouth RF1, the second output port RF2, the 3rd output port RF3, the first microstrip line TL1,The second microstrip line TL2, the 3rd microstrip line TL3, the 4th microstrip line TL4, the 5th microstrip line TL5 and the 6th microstrip line TL6,Described the first coaxial line R₁Ω comprises the first inner wire R₁₁Ω and the first outer conductor R₁₂Ω, described the first inner wire R₁₁Ω is logicalCross the second microstrip line TL2 and be connected with the second output port RF2, described the second coaxial line R₂Ω comprises the second inner wire R₂₁ΩWith the second outer conductor R₂₂Ω, described the first outer conductor R₁₂1 pin of Ω is by the first microstrip line TL1 and first input end mouthRF1 connects, described the first outer conductor R₁₂2 pin of Ω are connected with 1 pin of inductance L 1 by the 5th microstrip line TL5, electricity2 pin of sense L1 are by the 6th microstrip line TL6 and the second outer conductor R₂₂1 pin of Ω connects, the second outer conductor R₂₂2 of ΩPin is connected with the 3rd output port RF3 by the 3rd microstrip line TL3, described the second inner wire R₂₁2 pin of Ω are by theFour microstrip line TL4 and resistance R 1 ground connection, described the first inner wire R₁₁2 pin of Ω and the second inner wire R₂₁1 pin of ΩBetween be connected with the 3rd inner wire R₃₁Ω。

2. the high power power splitter based on coaxial line according to claim 1, is characterized in that: in described first, leadBody R₁₁Ω, the second inner wire R₂₁Ω and the 3rd inner wire R₃₁The copper conductor that Ω is structure as a whole.