CN208782008U - A kind of plane quasi-coaxial microwave delay line - Google Patents
A kind of plane quasi-coaxial microwave delay line Download PDFInfo
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- CN208782008U CN208782008U CN201821851509.7U CN201821851509U CN208782008U CN 208782008 U CN208782008 U CN 208782008U CN 201821851509 U CN201821851509 U CN 201821851509U CN 208782008 U CN208782008 U CN 208782008U
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- delay
- switch
- coaxial
- transmission line
- plane quasi
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Abstract
The utility model discloses a kind of plane quasi-coaxial microwave delay lines, are made of rf inputs mouth, reference arm transmission line, radio frequency output port, input terminal RF switch, input terminal RF switch, output end RF switch, delay road plane quasi-coaxial transmission line and ON-OFF control circuit.The planar transmission lines such as microstrip line or co-planar waveguide are substituted due to using plane quasi-coaxial transmission line, so that delay line is provided with better on-dispersive characteristic, to solve the problems, such as that microwave delay line is delayed low precision in high-frequency work.
Description
Technical field
The utility model relates to the Controller Circuit Used in Microwave Power Amplifier fields of electronics and the communications field, and in particular to a kind of plane quasi-coaxial
Microwave delay line.
Background technique
Microwave delay line is the key that phased array radar system radio-frequency unit, it is by controlling radiofrequency signal in circuit
By different length to realize the adjusting to signal time delay.For phased-array radar, each submatrix or each
Transceiver channel should all have at least one microwave delay line.Existing plane microwave delay line is all using microstrip line, coplanar
Waveguide or strip line realize the transmission line on delay road, thus ensure that the planar set of circuit becomes second nature, however microstrip line, coplanar wave
Lead or strip line all have different degrees of high frequency dispersion phenomenon, this allow for delay line work shown in higher frequency band compared with
Big delay precision error, to influence the performance of delay line.
Summary of the invention
The purpose of the utility model is to provide a kind of plane quasi-coaxial microwave delay lines, solve microwave delay line in high frequency
When work the problem of delay low precision.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of plane quasi-coaxial microwave delay line,
By rf inputs mouth, reference arm transmission line, radio frequency output port, input terminal RF switch, output end RF switch, delay road
Plane quasi-coaxial transmission line and ON-OFF control circuit composition.
The delay road plane quasi-coaxial transmission line by top-level metallic, top dielectric plated-through hole, top dielectric, in
Interbed metal, constitute to central metal conduction band, layer dielectric, layer dielectric plated-through hole and lower metal.
In the delay road plane quasi-coaxial transmission line top-level metallic, metallic intermediate layer and lower metal by upper
Layer metal clad through-hole and layer dielectric plated-through hole are sequentially communicated, and collectively form delay road plane quasi-coaxial transmission line
Peripheral conductors.
The input terminal RF switch and output end RF switch are controlled by ON-OFF control circuit, are selected according to control instruction
Radiofrequency signal is via reference arm transmission line still via delay road plane quasi-coaxial transmission line.
The utility model has the beneficial effects that: the utility model by using delay road plane quasi-coaxial transmission line, both
It ensure that the planar set of circuit becomes second nature, and effectively overcome transmission line in the dispersion characteristics of high frequency, solve microwave delay line and exist
When high-frequency work the problem of delay low precision, the electric property of delay line is improved.
Detailed description of the invention
Fig. 1 is the utility model embodiment circuit diagram.
Fig. 2 is the utility model embodiment plane quasi-coaxial transmission line structure schematic diagram.
In the figures above 1: 1, rf inputs mouth；2, reference arm transmission line；3, radio frequency output port；4, input terminal radio frequency
Switch；5, output end RF switch；6, be delayed road plane quasi-coaxial transmission line；7, ON-OFF control circuit.
In the figures above 2: 1, top-level metallic；2, top dielectric plated-through hole；3, top dielectric；4, metallic intermediate layer
Ground；5, central metal conduction band；6, layer dielectric；7, layer dielectric plated-through hole；8, lower metal.
Specific embodiment
The utility model is described further below with reference to embodiment and attached drawing:
As shown in Figure 1, a kind of plane quasi-coaxial microwave delay line, by rf inputs mouth (1), reference arm transmission line (2),
Radio frequency output port (3), input terminal RF switch (4), output end RF switch (5), delay road plane quasi-coaxial transmission line (6)
It is formed with ON-OFF control circuit (7).
Input terminal RF switch (4) and output end RF switch (5) are controlled by ON-OFF control circuit (7).Work as switch control
When circuit (7) receives the control instruction of reference arm conducting, when ON-OFF control circuit (7) control signal RF switch (4) and defeated
Outlet RF switch (5) is connected with the side that reference arm transmission line (2) are connected, and is believed by the radio frequency of rf inputs mouth (1) input
Number through input terminal RF switch (4), reference arm transmission line (2), output end RF switch (5) to radio frequency output port (3) export,
Transmission signal does not generate delay time at this time；When ON-OFF control circuit (7) receives the control instruction of delay road conducting, work as switch
Control circuit (7) control signal RF switch (4) and output end RF switch (5) and delay road plane quasi-coaxial transmission line
(6) connected side conducting, it is flat through input terminal RF switch (4), delay road by the radiofrequency signal of rf inputs mouth (1) input
Noodles coaxial transmission line (6), output end RF switch (5) to radio frequency output port (3) export, and transmit signal at this time and produce and prolong
The slow time.
Above-described embodiment is the preferred embodiment of the utility model, is not the limitation to utility model technical solution,
As long as being regarded as falling into this reality without the technical solution that creative work can be realized on the basis of the above embodiments
With in the rights protection scope of new patent.
Claims (4)
1. a kind of plane quasi-coaxial microwave delay line, it is characterised in that: defeated by rf inputs mouth, reference arm transmission line, radio frequency
Exit port, input terminal RF switch, output end RF switch, delay road plane quasi-coaxial transmission line and ON-OFF control circuit group
At.
2. plane quasi-coaxial microwave delay line according to claim 1, it is characterised in that: the input terminal RF switch and
Output end RF switch is controlled by ON-OFF control circuit.
3. plane quasi-coaxial microwave delay line according to claim 1, it is characterised in that: delay road plane quasi-coaxial
Transmission line by top-level metallic, top dielectric plated-through hole, top dielectric, metallic intermediate layer, central metal conduction band, lower layer
Constitute to medium, layer dielectric plated-through hole and lower metal.
4. plane quasi-coaxial microwave delay line according to claim 1 or 3, it is characterised in that: delay road plane quasi-coaxial
In transmission line top-level metallic, metallic intermediate layer and lower metal by top dielectric plated-through hole and layer dielectric gold
Categoryization through-hole is sequentially communicated, and collectively forms the peripheral conductors of delay road plane quasi-coaxial transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851509.7U CN208782008U (en) | 2018-11-12 | 2018-11-12 | A kind of plane quasi-coaxial microwave delay line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851509.7U CN208782008U (en) | 2018-11-12 | 2018-11-12 | A kind of plane quasi-coaxial microwave delay line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208782008U true CN208782008U (en) | 2019-04-23 |
Family
ID=66163596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851509.7U Active CN208782008U (en) | 2018-11-12 | 2018-11-12 | A kind of plane quasi-coaxial microwave delay line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208782008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883898A (en) * | 2020-06-09 | 2020-11-03 | 中国电子科技集团公司第十三研究所 | Method for manufacturing micro delay line chip of micro coaxial structure |
| CN115377642A (en) * | 2022-08-23 | 2022-11-22 | 中北大学 | High-precision linear nine-bit delayer based on MEMS switch |
-
2018
- 2018-11-12 CN CN201821851509.7U patent/CN208782008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883898A (en) * | 2020-06-09 | 2020-11-03 | 中国电子科技集团公司第十三研究所 | Method for manufacturing micro delay line chip of micro coaxial structure |
| CN111883898B (en) * | 2020-06-09 | 2021-10-15 | 中国电子科技集团公司第十三研究所 | Method for manufacturing micro delay line chip of micro coaxial structure |
| CN115377642A (en) * | 2022-08-23 | 2022-11-22 | 中北大学 | High-precision linear nine-bit delayer based on MEMS switch |
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