CN208622921U - Novel one-to-four waveguide power divider - Google Patents

Abstract

The utility model discloses a novel one minute four ways waveguide merit divides ware, divide the main arm including a merit, be equipped with input port at the front end that the main arm was divided to the merit, divide the main arm at the merit and be close to two merits of the left and right sides that input port department drawn forth symmetrical and divide support arm one, divide the main arm at the merit and lie in about two merits and divide the rear side that support arm one draws symmetrical about two merits and divide support arm two, about two merits divide support arm one and about two merits to divide the size of support arm two the same, about two merits divide support arm one to pass through respectively about two meritsThe impedance is transformed to two preceding stage output ports, and the left and right power dividing support arms two pass through respectivelyThe impedance is transformed to two rear-stage output ports, the front-stage output port transmits upwards, and the rear-stage output port transmits downwards. The utility model discloses a one minute four ways integrated design, very big realization the miniaturization of ware is divided to the waveguide merit. The method has the advantages of simple design, compact structure, and good amplitude and phase consistency, and has high engineering practical value.

Description

A kind of novel one point of four road waveguide power divider

Technical field

The utility model relates to microwave technical fields, more particularly to a kind of novel one point of four road waveguide power divider.

Background technique

Power divider is widely applied antenna feeder device in modern communications, and traditional power divider has Wilkinson, H Surface wave conductivity type, E surface wave conductivity type etc..Wilkinson power divider section is lower, the advantage with miniaturization, but microstrip transmission line Power capacity is lower and dielectric loss is larger, limits it in the application of high power requirements occasion.Waveguide power divider is then with it The good characteristics such as low-loss, high power capacity and wider transmission bandwidth are widely used in the high-power systems such as radar, satellite. For the face H power splitter again because being allocated using waveguide broadside, lateral dimension is larger, therefore does not meet miniaturization in waveguide power divider Design.The advantages of face E power splitter uses waveguide narrow side power distribution, has both power capacity and miniaturization, meets current equipment The demand of miniaturization and densification.However, the traditional face E power splitter still remains output port spacing larger, one point of multichannel When expansion, cabling is longer, is unfavorable for integrated and minimizes, while waveguide cabling longer the problems such as also causing long-line effect.It is The no one kind that can be sought by optimization design structure has both compact-sized, high broadband, the good waveguide of amplitude and phase consistency Power splitter, to effectively realize the integrated and miniaturization of multi-path power divider, for those skilled in the art, institute's letter is to be solved in recent years Technical problem.

Utility model content

The utility model aim is exactly in order to make up the defect of prior art, to provide a kind of novel one point of four road wave guide power point Device.

The utility model is achieved through the following technical solutions:

A kind of novel one point of four road waveguide power divider, includes that a function divides principal arm, divides the front end of principal arm equipped with defeated in function Inbound port is divided on principal arm in function and draws symmetrical two function branch arm one of left and right at input port, divides principal arm upper in function Symmetrical two function branch arm two of left and right, two function branch arm of left and right, one He are drawn in the rear side of two function branch arms one of left and right The size of two function branch arms two of left and right is identical, and two function branch arms one of left and right pass through respectivelyImpedance transforms to two prime output ends Mouthful, two function branch arms two of left and right pass through respectivelyImpedance transforms to two rear class output ports, and prime output port transmits upwards, Rear class output port transmits downwards.

The width of two function branch arm one of left and right and two function branch arms two of left and right is the half that function divides principal arm width, and length is The corresponding wavelength of 1/4 waveguide power divider centre frequency.

In left and right, an equal amount of corner cut is arranged in the L shape corner of two function branch arms one and two function branch arms two of left and right.

54mm is divided between the two function branch arms two of two function branch arm one of left and right and left and right.

Input port, prime output port and the rear class output port is all made of BJ32 standard rectangular waveguide and cascades it Its device.

One point of four road waveguide power divider, work are 1.5GHz in centre frequency.Including a main transfer arm and four function point Support arm is spaced a distance and (is not fixed) l from input port as 10mm, draws two support arms, the symmetrical distribution of support arm is adopted The transverse arm c for being about b/2 with same width is 17mm, is passed throughImpedance transforms to output port, and wherein transverse arm width d is 19.5mm.Making corner cut p processing to L-type turning keeps impedance continuous, and wherein p is 17mm.Then, main transfer arm is to about half of space before Wavelength h is that 54mm draws two function branch arms two again.Four function branch arms are same size, are symmetric, ensure that good Amplitude coincidence.Rear class output port lags 180o phase than prime output port, and prime output port transmits upwards, and rear class is defeated Exit port is transmitted downwards.It ensure that good phase equalization.Because transmission line hasImpedance transformation andRepeatability, so Rear class output port passes through on impedance transformation and principal armIt repeats.Grade is coupled to input port together with prime output port, real Existing good impedance matching property.

The utility model has the advantages that: the utility model greatly realizes wave guide power by one point of four road Integrated design Divide the miniaturization of device.Simple, compact-sized, the good advantage of amplitude and phase consistency with design, has very high engineering Practical value.

Detailed description of the invention

Fig. 1 is the utility model structure diagram.

Fig. 2 is the utility model structure S parameter analogous diagram.

Fig. 3 is the utility model structure isolation analogous diagram.

Fig. 4 is the utility model structure phase distribution map.

Specific embodiment

As shown in Figure 1, a kind of novel one point of four road waveguide power divider, includes that a function divides principal arm 1, divides principal arm 1 in function Front end be equipped with input port 2, be divided on principal arm 1 at the input port 2 in function and draw symmetrical two function branch arm one of left and right 3, it is divided on principal arm 1 rear side for being located at two function branch arms 1 of left and right to draw symmetrical two function branch arm 24 of left and right in function, it is described Two function branch arm 1 of left and right with left and right the size of two function branch arms 24 it is identical, left and right two function branch arms 1 pass through respectively Impedance transforms to two prime output ports 5, and two function branch arms 24 of left and right pass through respectivelyImpedance transforms to two rear class outputs Port 6, prime output port 5 transmit upwards, and rear class output port 6 transmits downwards.

The width of two function branch arm 1 of left and right and two function branch arms 24 of left and right is the half that function divides 1 width of principal arm, long Degree is the corresponding wavelength of 1/4 waveguide power divider centre frequency.

In left and right, an equal amount of corner cut is arranged in the L shape corner of two function branch arms 1 and two function branch arms 24 of left and right.

54mm is divided between the two function branch arms 24 of two function branch arm 1 of left and right and left and right.

The input port 2, prime output port 5, rear class output port 6 are all made of BJ32 standard rectangular waveguide cascade Other devices.

Function branch arm passes throughImpedance conversion stage is coupled to output port.Input, output port are all made of standard rectangular waveguide BJ32, width edge length are that a is 72.14mm, and narrow side length is that b is 34.04mm.Function divides arm width c to be 17mm, and length d is 19.5mm.Prime, rear class function divide arm interval h to be 54mm.Prime output port transmits upwards, and rear class output port transmits downwards. Corner cut processing is carried out in L-type corner.

The L-type corner corner cut p is 17mm.

On the one hand the utility model uses the symmetrical E-T branch-waveguide function separation structure of front stage, realize the small-sized of power splitter Change, while cascading port and using standard rectangular waveguide BJ32, is conducive to expand multistage power divider structure, is also beneficial to cascade it His device.Using symmetrical, good amplitude and phase consistency is maintained.

It is optimized using HFSS simulation software, simulation result is as shown in Fig. 2-4.Simulation result shows that the power splitter can To realize that good function is intrinsic, isolation is good.There is overall compact structure simultaneously.

Claims (4)

1. a kind of novel one point of four road waveguide power divider, it is characterised in that: include that a function divides principal arm, before function divides principal arm End is equipped with input port, is divided on principal arm in function and draws symmetrical two function branch arm one of left and right at input port, in function point The rear side for being located at two function branch arms one of left and right on principal arm draws symmetrical two function branch arm two of left and right, two function of left and right point Support arm one is identical with the left and right size of two function branch arms two, and two function branch arms one of left and right pass through respectivelyBefore impedance transforms to two Grade output port, two function branch arms two of left and right pass through respectivelyImpedance transforms to two rear class output ports, prime output port to Upper transmission, rear class output port transmit downwards.

2. the novel one point of four road waveguide power divider of one kind according to claim 1, it is characterised in that: two function branch arms of left and right One and the width of two function branch arms two of left and right be half that function divides principal arm width, length is 1/4 waveguide power divider centre frequency Corresponding wavelength.

3. the novel one point of four road waveguide power divider of one kind according to claim 1, it is characterised in that: in left and right Liang Gong branch An equal amount of corner cut is arranged in the L shape corner of two function branch arms two of arm one and left and right.

4. the novel one point of four road waveguide power divider of one kind according to claim 1, it is characterised in that: two function of left and right 54mm is divided between two function branch arms two of branch arm one and left and right.