CN206225514U - A kind of paraphase power divider based on line transformer principle - Google Patents
A kind of paraphase power divider based on line transformer principle Download PDFInfo
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- CN206225514U CN206225514U CN201621316048.4U CN201621316048U CN206225514U CN 206225514 U CN206225514 U CN 206225514U CN 201621316048 U CN201621316048 U CN 201621316048U CN 206225514 U CN206225514 U CN 206225514U
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- phase inverter
- transformer
- output port
- paraphase
- power divider
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Abstract
A kind of paraphase power divider based on line transformer principle, including sending-end impedance transformer, sending-end impedance transformer are connected with power distribution transformer, and two output ports of power distribution transformer are connected to the first phase inverter and the second phase inverter；First phase inverter and the second phase inverter are single radio-frequency coaxial cable and pass around a day font FERRITE CORE composition, and the inner wire of radio frequency coaxial-cable is primary coil, and the outer conductor of radio frequency coaxial-cable is secondary coil；The Same Name of Ends of the secondary coil of the first phase inverter connects the first output port, different name end ground connection；The Same Name of Ends ground connection of the secondary coil of the second phase inverter, different name end connects the second output port；First output port and the second output port amplitude output signal are equal, and phase difference is 180 ° of radiofrequency signal.
Description
Technical field
The invention belongs to electronic technology field, more particularly to a kind of paraphase power distribution based on line transformer principle
Device.
Background technology
Power divider is that one kind will be divided into two-way or the equal or unequal energy of multiple-channel output by input signal energy all the way
Device.Classical Wilkinson power divider circuit structure, realizes power constant amplitude with mutually output.To meet radio system
Design function requirement, paraphase power divider realizes that the paraphase of power constant amplitude is exported, and phase difference is 180 °.Existing paraphase power point
Orchestration, wherein phase inverter have two-sided parallel strips or microstrip structure, it is impossible to cover relatively low operating frequency range, bear power compared with
It is small.Existing paraphase power divider, its schematic diagram are as shown in figure 1, wherein only have RF signal output mouthful all the way to add simultaneously
Phase inverter is carried, another road RF signal output mouthful is vacant, causes phase inverter output port insertion loss amplitude balance degree
Inequality, the reduction of phase equalization precision.
The content of the invention
In order to overcome the deficiencies in the prior art, can add in RF signal output mouthful the invention discloses one kind
The broad band low frequency paraphase power divider of line transformer phase inverter is carried, the distributor can be used in spallation neutron target work
The high-power paraphase distribution of point measuring system power amplifier.
The present invention is achieved through the following technical solutions：
A kind of paraphase power divider based on line transformer principle, including sending-end impedance transformer, input
Impedance transformer is connected with power distribution transformer, and two output ports of power distribution transformer are connected to the first paraphase
Device and the second phase inverter；
First phase inverter and the second phase inverter are based on line transformer principle, are single radio-frequency coaxial cable and pass around day
Font FERRITE CORE is constituted, and the inner wire of radio frequency coaxial-cable is primary coil, and the outer conductor of radio frequency coaxial-cable is secondary
Coil；The Same Name of Ends of the secondary coil of the first phase inverter connects the first output port, different name end ground connection；The secondary of the second phase inverter
The Same Name of Ends ground connection of coil, different name end connects the second output port；First output port and the second output port output signal width
Degree is equal, and phase difference is 180 ° of radiofrequency signal.
Further to improve, the sending-end impedance transformer passes around a day font FERRITE CORE structure for fire resistant electric wire
Into.
Further to improve, power distribution transformer passes around a day font FERRITE CORE structure using single radio-frequency coaxial cable
Into, radio frequency coaxial-cable inner wire and outer conductor respectively as radiofrequency signal transmission path.
It is further to improve, it is connected with balance resistance between two output ports of power distribution transformer.
It is further to improve, the sending-end impedance transformer, power distribution transformer, the first phase inverter and the second paraphase
The input of device is connected by microstrip line.
Compared with prior art, the present invention has advantages below：
Paraphase power divider in the application by RF signal output loaded transmission line transformer phase inverter,
Two-way phase reference benchmark is consistent, makes the Insertion Loss amplitude uniformity of RF signal output mouthful higher, phase equalization precision compared with
Height, while improving the return loss of dispenser output end mouthful.
Line transformer and microstrip line are used in the distribution portion circuit structure of this paraphase power divider, impedance is steady
Fixed, the working frequency of power divider covers 1 MHz-8.5 MHz Frequency scopes, and load power is larger, and two-way radio frequency is defeated
Exit port respectively exports 1 kW power.Paraphase power divider size is small, simple structure, and overall performance index is excellent.
Brief description of the drawings
Fig. 1 is existing paraphase power divider schematic diagram；
Fig. 2 is the paraphase power structure schematic diagram in embodiment 1;
Fig. 3 is the paraphase power divider schematic diagram in embodiment 1.
Specific embodiment
Embodiment 1
As shown in Fig. 2 paraphase power divider includes：Sending-end impedance conversion transformer, power distribution transformer and
Two phase inverters, realize that the paraphase of power constant amplitude is exported, and phase difference is 180 °, and prevent the inconsistency of transmission characteristic and phase,
Improve the overall performance of power divider.
A kind of paraphase power divider as shown in Figure 3, including sending-end impedance transformer T1, sending-end impedance transformer
T1 is constituted for fire resistant electric wire passes around day font FERRITE CORE.Sending-end impedance transformer T1 is connected with power distribution transformer
T2, power distribution transformer T2 pass around day font FERRITE CORE and constitute using single radio-frequency coaxial cable, radio frequency coaxial-cable
Inner wire and outer conductor respectively as radiofrequency signal transmission path.Two output ports difference of power distribution transformer T2
It is connected with the first phase inverter T3 and the second phase inverter T4；Balance is connected between two output ports of power distribution transformer T2
Resistance R1.
First phase inverter T3 and the second phase inverter T4 are made based on line transformer principle.Two phase inverters are
Single radio-frequency coaxial cable passes around day font FERRITE CORE and constitutes, and the inner wire of radio frequency coaxial-cable is primary coil, radio frequency
The outer conductor of coaxial cable is secondary coil；The Same Name of Ends of the secondary coil of the first phase inverter T3 connects the first output port, different
Name end ground connection；The Same Name of Ends ground connection of the secondary coil of the second phase inverter T4, different name end connects the second output port；First output end
Mouth, 180 ° of radiofrequency signal equal with the second output port amplitude output signal.
The sending-end impedance transformer T1, power distribution transformer T2, the first phase inverter T3 and the second phase inverter T4's
Input is connected by microstrip line, and darkened boxes are to represent microstrip line connection in Fig. 3.
Above example is merely to illustrate the present invention, but is not limited to the scope of the present invention, every according to of the invention
Any simple modification, equivalent variations and modification that technical spirit is made to following instance, still fall within technical solution of the present invention
In the range of.
Claims (5)
1. a kind of paraphase power divider based on line transformer principle, including sending-end impedance transformer, is input into end resistance
Reactance transformer is connected with power distribution transformer, it is characterised in that two output ports of power distribution transformer are connected respectively
There are the first phase inverter and the second phase inverter；
First phase inverter and the second phase inverter are single radio-frequency coaxial cable and pass around a day font FERRITE CORE composition, and radio frequency is same
The inner wire of shaft cable is primary coil, and the outer conductor of radio frequency coaxial-cable is secondary coil；The secondary coil of the first phase inverter
Same Name of Ends connect the first output port, different name end ground connection；The Same Name of Ends ground connection of the secondary coil of the second phase inverter, different name end connects
Connect the second output port；First output port and the second output port amplitude output signal are equal, and phase difference is 180 ° of radio frequency
Signal.
2. a kind of paraphase power divider based on line transformer principle as claimed in claim 1, it is characterised in that institute
Sending-end impedance transformer is stated to be constituted for fire resistant electric wire passes around day font FERRITE CORE.
3. a kind of paraphase power divider based on line transformer principle as claimed in claim 1, it is characterised in that work(
Rate distribution transformer passes around day font FERRITE CORE and constitutes using single radio-frequency coaxial cable, the inner wire of radio frequency coaxial-cable
With outer conductor respectively as radiofrequency signal transmission path.
4. a kind of paraphase power divider based on line transformer principle as claimed in claim 1, it is characterised in that work(
Balance resistance is connected between two output ports of rate distribution transformer.
5. a kind of paraphase power divider based on line transformer principle as claimed in claim 1, it is characterised in that institute
The input for stating sending-end impedance transformer, power distribution transformer, the first phase inverter and the second phase inverter passes through microstrip line
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621316048.4U CN206225514U (en) | 2016-12-02 | 2016-12-02 | A kind of paraphase power divider based on line transformer principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621316048.4U CN206225514U (en) | 2016-12-02 | 2016-12-02 | A kind of paraphase power divider based on line transformer principle |
Publications (1)
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| CN206225514U true CN206225514U (en) | 2017-06-06 |
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| CN201621316048.4U Active CN206225514U (en) | 2016-12-02 | 2016-12-02 | A kind of paraphase power divider based on line transformer principle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659300A (en) * | 2021-10-20 | 2021-11-16 | 天津七一二通信广播股份有限公司 | Broadband four-power divider |
-
2016
- 2016-12-02 CN CN201621316048.4U patent/CN206225514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659300A (en) * | 2021-10-20 | 2021-11-16 | 天津七一二通信广播股份有限公司 | Broadband four-power divider |
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