CN208240852U - A kind of overcurrent cavity coupler - Google Patents
A kind of overcurrent cavity coupler Download PDFInfo
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- CN208240852U CN208240852U CN201820763425.1U CN201820763425U CN208240852U CN 208240852 U CN208240852 U CN 208240852U CN 201820763425 U CN201820763425 U CN 201820763425U CN 208240852 U CN208240852 U CN 208240852U
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- strip line
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- cavity
- connect
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Abstract
The utility model discloses a kind of overcurrent cavity coupler, one end of the straight-through strip line is connect with input port joint inner core, and the other end is connect with output port joint inner core；Described coupling strip line one end is connect with coupled output ports joint inner core, and the other end is connect with circuit board, and the circuit board is grounded by load resistance；It include that first capacitor, the second capacitor and two inductance, the first capacitor are set between the isolated port of coupling strip line and load resistance on the circuit board, second capacitor is set between the output port and load resistance of straight-through strip line；In the isolated port of one inductance setting coupling strip line, another inductance is arranged in the beneficial effects of the utility model on the delivery outlet of straight-through strip line and is, the application is in the straight-through circuit for being provided with logical direct current between coupled striplines.
Description
Technical field
The utility model relates to mobile communication equipment field more particularly to a kind of overcurrent cavity couplers.
Background technique
With the development of informationized society, demand of the people to wireless communication increasingly increases, and various wireless terminals have been answered
Use the every aspect of resident living and socio-economic development.All to wireless signal covering, more stringent requirements are proposed for this.Microwave
For cavity class device since its is environment friendly and pollution-free, standing wave is low, and receiving power is big, and loss is small, and high reliability is in wireless signal
It is widely used in Covering domain, cavity coupler is wherein very important passive component.
Various active and passive microwave device can be contained in usually entire link in signal covering project, such as passive
Power splitter, coupler；Active power amplifier etc..Especially now with the development of 4G, 5G technology, there are many coverings eventually
End needs the active antenna powered, this puts forward new requirements to signal soverlay technique, just same preferably in signal transmission pathway
When have direct current, need the device of electricity consumption that can directly take in this way and be further provided with individual electricity without being further added by cost
Source.
Current existing cavity coupler does not have the function by direct current usually, therefore, it is necessory to existing
Technology improves so as to solve the deficiencies in the prior art.
Summary of the invention
The utility model is a kind of overcurrent cavity coupler, compared to common cavity coupler, newly-designed overcurrent cavity
Coupler is in the straight-through circuit for being provided with logical direct current between coupled striplines.So that the input and output and coupling port of coupler
Between can pass through direct current signal.
In order to achieve the above-mentioned object of the invention, the utility model adopts the following technical solution:
A kind of overcurrent cavity coupler, including cavity, the cavity include input port, output port and coupled output
Mouthful, the input port, output port and coupled output ports are provided with connector, straight-through strip line are provided in the cavity
And coupling strip line, the straight-through strip line and coupling strip line are supported in cavity by insulator, cover board and cavity are installed
Afterwards, by pressing fixation of the insulator realization to straight-through strip line and coupling strip line；One end of the straight-through strip line with it is defeated
The connection of inbound port joint inner core, the other end are connect with output port joint inner core；Described coupling strip line one end with couple output
The connection of port joint inner core, the other end are connect with circuit board, and the circuit board is grounded by load resistance；It is wrapped on the circuit board
First capacitor, the second capacitor and two inductance are included, the first capacitor is set to the isolated port and load electricity of coupling strip line
Between resistance, second capacitor is set between the output port and load resistance of straight-through strip line；Strap is arranged in one inductance
In the isolated port of shape line, another inductance is arranged on the delivery outlet of straight-through strip line；Inductance is by straight-through strip line and coupling
Strip line connects to form current circuit.
Preferably, the strip line is two section impedance mapped structures.
Preferably, the circuit board material is high intermodulation high-frequency plate.
Preferably, the capacitor is high pressure resistant capacitor.
Preferably, the power resistor is high power capacity resistance.
The beneficial effects of the utility model are, compared to common cavity coupler, newly-designed overcurrent cavity coupler
In the straight-through circuit for being provided with direct current between coupling strip line.So that between the input and output and coupling port of coupler
It can need to active devices power supplies such as power amplifiers in signal transmission link and need to monitor by direct current signal
Occasion in have very big application value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model part-structure schematic three dimensional views.
Wherein, 1 is coupler cavity；2 be connector；3 be straight-through strip line, and 4 be coupling strip line；5 be insulator；6 are
Circuit board, 61 be first capacitor, and 62 be the second capacitor, and 63 be inductance；7 be load resistance；8 be cover board.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As depicted in figs. 1 and 2, a kind of overcurrent cavity coupler, including cavity 1, the cavity 1 include input port, defeated
Exit port and coupled output ports, the input port, output port and coupled output ports are provided with connector 2, the chamber
It is provided with straight-through strip line 3 and coupling strip line 4 in vivo, the straight-through strip line 3 and coupling strip line 4 pass through 5, insulator
It supports in cavity 1, after cover board 8 and cavity installation, is realized by pressing insulator 5 to straight-through strip line 3 and coupling strip line 4
It is fixed.
One end of straight-through strip line 3 is connect with input port joint inner core, and the other end is connect with output port joint inner core；
4 one end of coupling strip line is connect with coupled output ports joint inner core, and the other end is connect with circuit board 6, and the circuit board 6 passes through
Load resistance 7 is grounded.It include that first capacitor 61, the second capacitor 62 and two inductance 63, first capacitor 61 are set on the circuit board
It is placed between the isolated port of coupling strip line 4 and load resistance 7, second capacitor 62 is set to the output of straight-through strip line 3
Between port and load resistance 7.One inductance 63 is arranged in the isolated port of coupling strip line 4, and the setting of another inductance 63 exists
On the delivery outlet of straight-through strip line 3.Straight-through strip line 3 and coupling strip line 4 are connected and to form current circuit by inductance.It is described
Strip line is two section impedance mapped structures.The circuit board material is high intermodulation high-frequency plate.The capacitor is high pressure resistant electricity
Hold.The power resistor is high power capacity resistance.
The utility model is provided with the circuit of logical direct current between straight-through strip line 3 and coupling strip line 4.So that coupler
Input and output and coupling port between can needed by direct current signal to the power amplifier in signal transmission link
Equal active devices power supply needs the occasion monitored by signal link to have very big application value.
Claims (5)
1. a kind of overcurrent cavity coupler, including cavity, the cavity includes input port, output port and coupled output
Mouthful, the input port, output port and coupled output ports are provided with connector, straight-through strip line are provided in the cavity
And coupling strip line, the straight-through strip line and coupling strip line are supported in cavity by insulator, cover board and cavity are installed
Afterwards, by pressing fixation of the insulator realization to straight-through strip line and coupling strip line；It is characterized in that, the straight-through strip line
One end connect with input port joint inner core, the other end is connect with output port joint inner core；Described coupling strip line one end
It is connect with coupled output ports joint inner core, the other end is connect with circuit board, and the circuit board is grounded by load resistance；It is described
It include that first capacitor, the second capacitor and two inductance, the first capacitor are set to the isolation end of coupling strip line on circuit board
Between mouth and load resistance, second capacitor is set between the output port and load resistance of straight-through strip line；One inductance
It is arranged in the isolated port of coupling strip line, another inductance is arranged on the delivery outlet of straight-through strip line；Inductance is by straight-through band
Shape line and coupling strip line connect to form current circuit.
2. a kind of overcurrent cavity coupler according to claim 1, which is characterized in that the strip line is two section impedances change
Change structure.
3. a kind of overcurrent cavity coupler according to claim 1, which is characterized in that the circuit board material is high intermodulation
High-frequency plate.
4. a kind of overcurrent cavity coupler according to claim 1, which is characterized in that capacitor is high pressure resistant capacitor.
5. a kind of overcurrent cavity coupler according to claim 1, which is characterized in that the load resistance is high-power appearance
Measure resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763425.1U CN208240852U (en) | 2018-05-22 | 2018-05-22 | A kind of overcurrent cavity coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763425.1U CN208240852U (en) | 2018-05-22 | 2018-05-22 | A kind of overcurrent cavity coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240852U true CN208240852U (en) | 2018-12-14 |
Family
ID=64580710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820763425.1U Active CN208240852U (en) | 2018-05-22 | 2018-05-22 | A kind of overcurrent cavity coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101913A (en) * | 2022-07-25 | 2022-09-23 | 河北优圣通信科技有限公司 | Direct current coupler |
-
2018
- 2018-05-22 CN CN201820763425.1U patent/CN208240852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115101913A (en) * | 2022-07-25 | 2022-09-23 | 河北优圣通信科技有限公司 | Direct current coupler |
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