CN205490438U - Switch clipper -limiter - Google Patents
Switch clipper -limiter Download PDFInfo
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- CN205490438U CN205490438U CN201620233046.2U CN201620233046U CN205490438U CN 205490438 U CN205490438 U CN 205490438U CN 201620233046 U CN201620233046 U CN 201620233046U CN 205490438 U CN205490438 U CN 205490438U
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Abstract
The utility model belongs to the technical field of the microwave, in particular to switch clipper -limiter. The utility model discloses a coupling detection unit, absorbing load unit, driver unit, move looks unit, switch element, clipper -limiter unit, first feed unit, second feed unit, it has under high -power signal input's the condition from the ability that switches on to have utilized coupling detection unit to make the switch possess, both can protection switch, limited passing through of high -power signal again, and improve switch clipper -limiter's amplitude limiting ability, the detection of coupling simultaneously unit can be guaranteed the switch and also can not work under control signal's the state adding to improve the survival ability of product under complex electromagnetic environment. And the utility model discloses still possess with low costs, the reliability is high, simple structure's characteristics.
Description
Technical field
This utility model belongs to microwave technical field, switchs amplitude limiter particularly to one.
Background technology
Microwave limiter is that low-power level signal is unattenuated for decaying microwave high power signal, from
And protect the power sensitive device in receiving system not burnt by HIGH-POWERED MICROWAVES signal.
Microwave switch be by control level control switch on and off be microwave signal select suitable path,
Can also protect and accept system and do not burnt by HIGH-POWERED MICROWAVES signal by high-power signal.
It is relatively low that switch amplitude limiter in credit technology itself bears power, is not suitable for large-power occasions；Open
Close and need more complicated drive circuit, relatively costly, and reliability is relatively low.
Utility model content
This utility model is in order to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of switch amplitude limiter, this
Utility model can bear high-power signal, and has low cost, reliability height, the feature of simple in construction.
For achieving the above object, this utility model have employed techniques below measure:
A kind of switch amplitude limiter, including coupling detection unit, absorbing load unit, actuator unit, shifting
Facies unit, switch element, limiter units, the first feed element, the second feed element；
The input of described coupling detection unit connects input signal, and the outfan of coupling detection unit connects
Absorbing load unit, the input of phase-shifting unit, the coupled output of coupling detection unit connects the first feedback
The input of electric unit, the first input end of the second feed element；
The input connection control signal of described actuator unit, the outfan of actuator unit connects first
The input of feed element, the first input end of the second feed element；
The outfan of described first feed element connects absorbing load unit, the input of phase-shifting unit；
The outfan of described phase-shifting unit connects the second input of the second feed element；
The input of the outfan connecting valve unit of described second feed element；
The outfan of described switch element connects the input of limiter units, described limiter units defeated
Go out end and connect output signal.
This utility model can also be realized further by techniques below measure.
Preferably, described coupling detection unit includes bonder, and the input of described bonder connects input
Signal, the outfan of bonder connects one end of the first electric capacity, and the first coupled end of bonder connects second
The positive terminal of detection tube, the negative pole end of described second detection tube connects the 4th electric capacity, one end of the 5th inductance,
The other end ground connection of described 4th electric capacity, the other end of described 5th inductance connects one end of the 3rd resistance,
The other end of described 3rd resistance connect the input of the first feed element, the second feed element first defeated
Enter end, the outfan of actuator unit, the second coupled end ground connection of described bonder, described first electric capacity
The other end connect absorbing load unit, the input of phase-shifting unit and the output of the first feed element
End.
Preferably, described absorbing load unit includes the first detection tube, the positive terminal of described first detection tube
Connect the other end of the first electric capacity, the outfan of the first feed element, the input of phase-shifting unit, first
The negative pole end of detection tube connects the first inductance, one end of the first resistance, described first inductance, the first resistance
The equal ground connection of the other end.
Preferably, described first feed element is the second inductance, and one end of described second inductance connects first
The other end of electric capacity, the positive terminal of the first detection tube, the input of phase-shifting unit, described second inductance
The other end connect the other end of the 3rd resistance, the outfan of actuator unit, the first of the second feed element
Input.
Preferably, described actuator unit includes the 3rd detection tube, the 7th electric capacity, described 3rd detection tube
Positive terminal, one end of the 7th electric capacity be all connected with control signal, the negative pole end of the 3rd detection tube, the 7th electricity
The other end held is all connected with one end of the second resistance, the other end of described second resistance connect the 3rd resistance,
The other end of the second inductance and the first input end of the second feed element.
Preferably, described phase-shifting unit includes the second electric capacity, the 3rd electric capacity, the 3rd inductance, described second
One end of electric capacity connects the other end of the first electric capacity, the positive terminal of the first detection tube, one end of the second inductance,
The other end of the second electric capacity connects the 3rd electric capacity, one end of the 3rd inductance, the other end of described 3rd inductance
Ground connection, the other end of described 3rd electric capacity connects the second input of the second feed element.
Further, described second feed element includes the 4th inductance, the 4th resistance, the 5th electric capacity, institute
State the 4th inductance, the 4th resistance, one end of the 5th electric capacity are all connected with the second inductance, the 3rd resistance, second
The other end of resistance, the other end of described 4th inductance connects the other end and the switch element of the 3rd electric capacity
Input, described 5th electric capacity, the equal ground connection of the other end of the 4th resistance.
Further, described switch element is the 4th detection tube, and the positive terminal of described 4th detection tube connects
4th inductance, the other end of the 3rd electric capacity and the input of limiter units, bearing of the 4th detection tube
Extreme ground connection.
Further, described limiter units include the 6th electric capacity, the 6th inductance, the 5th detection tube,
Six detection tubes, one end of described 6th electric capacity connect the positive terminal of the 4th detection tube and the 4th inductance,
The other end of the 3rd electric capacity, the other end of the 6th electric capacity connects one end of the 6th inductance, the 5th detection tube
Positive terminal, the negative pole end of the 6th detection tube and output signal, the other end of described 6th inductance, the
The negative pole end of five detection tubes, the equal ground connection of positive terminal of the 6th detection tube.
The beneficial effects of the utility model are:
1), this utility model includes coupling detection unit, absorbing load unit, actuator unit, shifting
Facies unit, switch element, limiter units, the first feed element, the second feed element；Make use of coupling
Closing detection unit makes switch possess the ability having conducting certainly under conditions of high-power signal inputs, the most permissible
Protection switch, again limit passing through of high-power signal, improves the amplitude limit ability of switch amplitude limiter, simultaneously
Coupling detection unit can ensure that switch can also work when non-increase control signal, thus improves
Product survival ability under complex electromagnetic environment.And this utility model is also equipped with low cost, reliability
High, the feature of simple in construction.
2) all detection tubes, in this utility model all use parallel structure to access in circuit, all
Detection tube same control signal all can be used directly to control, therefore can simplify driving circuit structure,
Significantly reduce cost.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Reference implication in figure is as follows:
1 coupling detection unit 2 absorbing load unit
3 actuator unit 4 phase-shifting units
5 switch element 6 limiter units
7 first feed element 8 second feed element
Z1 bonder C1～C7 the first electric capacity～the 7th electric capacity
L1～L6 the first inductance～the 6th inductance V1～V6 the first detection tube～the 6th detection tube
R1～R4 the first power supply～the 4th resistance
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
As it is shown in figure 1, a kind of switch amplitude limiter include coupling detection unit 1, absorbing load unit 2,
Actuator unit 3, phase-shifting unit 4, switch element 5, limiter units the 6, first feed element 7,
Second feed element 8；The input of described coupling detection unit 1 connects input signal, couples detection list
The outfan of unit 1 connects absorbing load unit 2, the input of phase-shifting unit 4, couples detection unit 1
Coupled output connect the input of the first feed element 7, the first input end of the second feed element 8；
The input connection control signal of described actuator unit 3, the outfan of actuator unit 3 connects first
The input of feed element 7, the first input end of the second feed element 8；Described first feed element 7
Outfan connect absorbing load unit 2, the input of phase-shifting unit 4；Described phase-shifting unit 4 defeated
Go out end and connect the second input of the second feed element 8；The outfan of described second feed element 8 connects
The input of switch element 5；The outfan of described switch element 5 connects the input of limiter units 6,
The outfan of described limiter units 6 connects output signal.
Described coupling detection unit 1 includes that the input of bonder Z1, described bonder Z1 connects input
Signal, the outfan of bonder Z1 connects one end of the first electric capacity C1, first coupling of bonder Z1
End connects the positive terminal of the second detection tube V2, and the negative pole end of described second detection tube V2 connects the 4th electric capacity
C4, one end of the 5th inductance L5, the other end ground connection of described 4th electric capacity C4, described 5th inductance L5
The other end connect one end of the 3rd resistance R3, the other end of described 3rd resistance R3 connects the first feed
The input of unit 7, the first input end of the second feed element 8, the outfan of actuator unit 3,
The second coupled end ground connection of described bonder Z1, the other end of described first electric capacity C1 connects absorbing load
Unit 2, the input of phase-shifting unit 4 and the outfan of the first feed element 7.
Described absorbing load unit 2 includes the first detection tube V1, the positive terminal of described first detection tube V1
Connect the other end of the first electric capacity C1, the outfan of the first feed element 7, the input of phase-shifting unit 4
End, the negative pole end of the first detection tube V1 connects the first inductance L1, one end of the first resistance R1, and described the
One inductance L1, the equal ground connection of the other end of the first resistance R1.
Described first feed element 7 is the second inductance L2, and one end of described second inductance L2 connects first
The other end of electric capacity C1, the positive terminal of the first detection tube V1, the input of phase-shifting unit 4, described
The other end of two inductance L2 connect the other end of the 3rd resistance R3, the outfan of actuator unit 3, the
The first input end of two feed element 8.
Described actuator unit 3 includes the 3rd detection tube V3, the 7th electric capacity C7, described 3rd detection tube
The positive terminal of V3, one end of the 7th electric capacity C7 are all connected with control signal, the negative pole end of the 3rd detection tube V3,
The other end of the 7th electric capacity C7 is all connected with one end of the second resistance R2, another of described second resistance R2
The first of end connection the 3rd resistance R3, the other end of the second inductance L2 and the second feed element 8 is defeated
Enter end.
Described phase-shifting unit 4 includes the second electric capacity C2, the 3rd electric capacity C3, the 3rd inductance L3, described
One end of two electric capacity C2 connect the other end of the first electric capacity C1, the positive terminal of the first detection tube V1,
One end of two inductance L2, the other end of the second electric capacity C2 connects the 3rd electric capacity C3, the 3rd inductance L3
One end, the other end ground connection of described 3rd inductance L3, the other end of described 3rd electric capacity C3 connects second
Second input of feed element 8.
Described second feed element 8 includes the 4th inductance L4, the 4th resistance R4, the 5th electric capacity C5, institute
State the 4th inductance L4, the 4th resistance R4, one end of the 5th electric capacity C5 are all connected with the second inductance L2, the 3rd
Resistance R3, the other end of the second resistance R2, the other end of described 4th inductance L4 connects the 3rd electric capacity
The other end of C3 and the input of switch element 5, described 5th electric capacity C5, the 4th resistance R4 another
The equal ground connection in one end.
Described switch element 5 is the 4th detection tube V4, and the positive terminal of described 4th detection tube V4 connects the
Four inductance L4, the other end of the 3rd electric capacity C3 and the input of limiter units 6, the 4th detection
The negative pole end ground connection of pipe V4.
Described limiter units 6 include the 6th electric capacity C6, the 6th inductance L6, the 5th detection tube V5,
One end of six detection tube V6, described 6th electric capacity C6 connects the positive terminal of the 4th detection tube V4, Yi Ji
Four inductance L4, the other end of the 3rd electric capacity C3, the other end of the 6th electric capacity C6 connects the 6th inductance L6
One end, the positive terminal of the 5th detection tube V5, the negative pole end of the 6th detection tube V6 and output signal,
The other end of described 6th inductance L6, the negative pole end of the 5th detection tube V5, the 6th detection tube V6 are just
Extreme all ground connection.
This utility model in use, can coordinate with software of the prior art and use.Below
In conjunction with software of the prior art, operation principle of the present utility model is described, it must be noted that
It is: the software matched with this utility model is not innovative part of the present utility model, is not this practicality
Novel ingredient.
Described input signal is radio-frequency input signals, if control signal is high level, such as 5V voltage,
Then the first detection tube V1, the 4th detection tube V4 conducting.Absorbing load unit 2 impedance matching microstrip line hinders
Anti-, due to the 4th detection tube V4 conducting, switch element 5 impedance is a value the least, passes through phase shift
The impedance transformation effect of unit 4 can make switch element 5 at the equivalent impedance of absorbing load unit 2 position
For high impedance, now input isolation is power termination by the first resistance R1 and absorbs, switch be in every
From state；If control signal is low level, such as 0V voltage, and input signal is RF small signals,
Then diode the first detection tube V1, the 4th detection tube V4, the 5th detection tube V5, the 6th detection tube V6
Cut-off, input signal can with the least loss by and arrive outfan.
When input signal is high-power RF signal, no matter which kind of state is control signal be, bonder Z1
Can from input signal fetching portion energy by the first detection tube V1 detection and the 4th electric capacity C4
Obtaining direct current signal with after the 6th inductance L6 filtering, this direct current signal can make the first detection tube V1 and the
Four detection tube V4 conductings, input signal is also decayed, has now switched amplitude limit by now switch cut-off
Effect, can reduce the power arriving amplitude limiter.
Described phase-shifting unit 4 can be selected for the microstrip line that line length is 0.25 λ and replaces, it would however also be possible to employ other energy
The structure realizing impedance variation function is replaced.
Claims (9)
1. a switch amplitude limiter, it is characterised in that: include coupling detection unit (1), absorbing load
Unit (2), actuator unit (3), phase-shifting unit (4), switch element (5), limiter units (6),
First feed element (7), the second feed element (8)；
The input of described coupling detection unit (1) connects input signal, coupling detection unit (1)
Outfan connects absorbing load unit (2), the input of phase-shifting unit (4), coupling detection unit (1)
Coupled output connect the input of the first feed element (7), the first of the second feed element (8)
Input；
The input connection control signal of described actuator unit (3), the output of actuator unit (3)
End connects the input of the first feed element (7), the first input end of the second feed element (8)；
The outfan of described first feed element (7) connects absorbing load unit (2), phase-shifting unit (4)
Input；
The outfan of described phase-shifting unit (4) connects the second input of the second feed element (8)；
The input of outfan connecting valve unit (5) of described second feed element (8)；
The outfan of described switch element (5) connects the input of limiter units (6), described amplitude limit
The outfan of device unit (6) connects output signal.
2. a kind of switch amplitude limiter as claimed in claim 1, it is characterised in that: described coupling detection
Unit (1) includes bonder (Z1), and the input of described bonder (Z1) connects input signal, coupling
The outfan of clutch (Z1) connects one end of the first electric capacity (C1), the first coupling of bonder (Z1)
End connects the positive terminal of the second detection tube (V2), and the negative pole end of described second detection tube (V2) connects the
Four electric capacity (C4), one end of the 5th inductance (L5), the other end ground connection of described 4th electric capacity (C4),
The other end of described 5th inductance (L5) connects one end of the 3rd resistance (R3), described 3rd resistance (R3)
The other end connect the input of the first feed element (7), the second feed element (8) first input
End, the outfan of actuator unit (3), the second coupled end ground connection of described bonder (Z1), institute
The other end stating the first electric capacity (C1) connects absorbing load unit (2), the input of phase-shifting unit (4)
End and the outfan of the first feed element (7).
3. a kind of switch amplitude limiter as claimed in claim 2, it is characterised in that: described absorbing load
Unit (2) includes the first detection tube (V1), and the positive terminal of described first detection tube (V1) connects first
The other end of electric capacity (C1), the outfan of the first feed element (7), the input of phase-shifting unit (4)
End, the negative pole end of the first detection tube (V1) connect the first inductance (L1), the one of the first resistance (R1)
End, described first inductance (L1), the equal ground connection of the other end of the first resistance (R1).
4. a kind of switch amplitude limiter as claimed in claim 3, it is characterised in that: described first feed
Unit (7) is the second inductance (L2), and one end of described second inductance (L2) connects the first electric capacity (C1)
The other end, the positive terminal of the first detection tube (V1), the input of phase-shifting unit (4), described
The other end of two inductance (L2) connects the other end of the 3rd resistance (R3), actuator unit (3)
Outfan, the first input end of the second feed element (8).
5. a kind of switch amplitude limiter as claimed in claim 4, it is characterised in that: described driver list
Unit (3) includes the 3rd detection tube (V3), the 7th electric capacity (C7), described 3rd detection tube (V3)
Positive terminal, one end of the 7th electric capacity (C7) are all connected with control signal, the negative pole of the 3rd detection tube (V3)
End, the other end of the 7th electric capacity (C7) are all connected with one end of the second resistance (R2), described second resistance
(R2) the other end connects the 3rd resistance (R3), the other end and second of the second inductance (L2)
The first input end of feed element (8).
6. a kind of switch amplitude limiter as claimed in claim 5, it is characterised in that: described phase-shifting unit
(4) the second electric capacity (C2), the 3rd electric capacity (C3), the 3rd inductance (L3), described second electric capacity are included
(C2) one end connect the other end of the first electric capacity (C1), the positive terminal of the first detection tube (V1),
One end of second inductance (L2), the other end of the second electric capacity (C2) connect the 3rd electric capacity (C3), the
One end of three inductance (L3), the other end ground connection of described 3rd inductance (L3), described 3rd electric capacity (C3)
The other end connect the second input of the second feed element (8).
7. a kind of switch amplitude limiter as claimed in claim 6, it is characterised in that: described second feed
Unit (8) includes the 4th inductance (L4), the 4th resistance (R4), the 5th electric capacity (C5), the described 4th
Inductance (L4), the 4th resistance (R4), one end of the 5th electric capacity (C5) be all connected with the second inductance (L2),
3rd resistance (R3), the other end of the second resistance (R2), the other end of described 4th inductance (L4)
Connect the other end and the input of switch element (5) of the 3rd electric capacity (C3), described 5th electric capacity
(C5), the equal ground connection of the other end of the 4th resistance (R4).
8. a kind of switch amplitude limiter as claimed in claim 7, it is characterised in that: described switch element
(5) be the 4th detection tube (V4), the positive terminal of described 4th detection tube (V4) connect the 4th inductance (L4),
The other end of the 3rd electric capacity (C3) and the input of limiter units (6), the 4th detection tube (V4)
Negative pole end ground connection.
9. a kind of switch amplitude limiter as claimed in claim 8, it is characterised in that: described amplitude limiter list
Unit (6) includes the 6th electric capacity (C6), the 6th inductance (L6), the 5th detection tube (V5), the 6th detection
Pipe (V6), one end of described 6th electric capacity (C6) connect the 4th detection tube (V4) positive terminal, with
And the 4th inductance (L4), the other end of the 3rd electric capacity (C3), the other end of the 6th electric capacity (C6) is even
Connect one end of the 6th inductance (L6), the positive terminal of the 5th detection tube (V5), the 6th detection tube (V6)
Negative pole end and output signal, the other end of described 6th inductance (L6), the 5th detection tube (V5)
Negative pole end, the equal ground connection of positive terminal of the 6th detection tube (V6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233046.2U CN205490438U (en) | 2016-03-22 | 2016-03-22 | Switch clipper -limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233046.2U CN205490438U (en) | 2016-03-22 | 2016-03-22 | Switch clipper -limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490438U true CN205490438U (en) | 2016-08-17 |
Family
ID=56651595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620233046.2U Expired - Fee Related CN205490438U (en) | 2016-03-22 | 2016-03-22 | Switch clipper -limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205490438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546984A (en) * | 2018-11-14 | 2019-03-29 | 成都亚光电子股份有限公司 | Microwave absorption formula limiter |
| CN110350882A (en) * | 2019-08-14 | 2019-10-18 | 浙江嘉科电子有限公司 | A kind of miniature chip high power amplitude limiter of L frequency range |
-
2016
- 2016-03-22 CN CN201620233046.2U patent/CN205490438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546984A (en) * | 2018-11-14 | 2019-03-29 | 成都亚光电子股份有限公司 | Microwave absorption formula limiter |
| CN110350882A (en) * | 2019-08-14 | 2019-10-18 | 浙江嘉科电子有限公司 | A kind of miniature chip high power amplitude limiter of L frequency range |
| CN110350882B (en) * | 2019-08-14 | 2024-02-02 | 浙江嘉科电子有限公司 | L-band miniature chip type high-power limiter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20210322 |