CN216209353U - Self-adaptive automatic adjusting probe of microwave Load Pull system - Google Patents
Self-adaptive automatic adjusting probe of microwave Load Pull system Download PDFInfo
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- CN216209353U CN216209353U CN202122632116.5U CN202122632116U CN216209353U CN 216209353 U CN216209353 U CN 216209353U CN 202122632116 U CN202122632116 U CN 202122632116U CN 216209353 U CN216209353 U CN 216209353U
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Abstract
An adaptive automatic regulating probe of a microwave Load Pull system. The probe consists of a probe (P), a metallized fabric gasket (F), a probe fixing shaft (R), a spring (S), a probe fixing cavity (C), a spring pressing sheet (E) and a screw (B). The probe (P) can rotate, two metalized fabric gaskets (F) are fixed on the surfaces of two sides of the probe (P) and are inserted into the microwave slotted transmission line (T), two outer surfaces of the two metalized fabric gaskets (F) are respectively attached to two inner surfaces of the microwave slotted transmission line (T) to keep elastic soft contact, and the two metalized fabric gaskets can move axially and move up and down along the central conductor (D), so that the microwave probe which is used for a microwave Load Pull measurement system, can permanently and accurately position the probe, is in elastic soft contact with the surface of the microwave slotted transmission line, is not easy to wear, and can be self-adaptively and automatically adjusted is realized.
Description
Technical Field
The utility model relates to the field of microwave Load Pull measurement, in particular to a microwave probe which is used for a microwave Load Pull measurement system, can realize permanent accurate positioning of the probe, is in elastic soft contact with the surface of a microwave slotted transmission line, is not easy to wear and can be self-adaptively and automatically adjusted.
Background
The microwave Load Pull system is widely applied to technical index measurement and optimization of radio frequency, microwave and millimeter wave chips, modules and systems, and the most central device is a complex impedance Tuner (Tuner). Currently, only three companies in the world can produce Microwave Load Pull systems, which are Focus Microwaves Inc. in Canada, Maury Microwave Corporation in the United states, and Bluetec Microwaves Inc. in China (Dongguan Seviry Leide electronics Co., Ltd.), and the most important technical index of the Microwave Load Pull system is measurement accuracy, which mainly depends on the probe structure of a complex impedance Tuner (Tuner).
The probe of a complex impedance Tuner (Tuner) of Focus company of Canada adopts a fixed hard contact structure, the probe and the upper part are fixed, the probe is inserted into a microwave slotted transmission line, and two side surfaces of the probe are tightly contacted with two inner surfaces of the microwave slotted transmission line, so the probe has the advantages that the probe is accurately positioned at the beginning, but the probe and the microwave slotted transmission line rub each day, so that large abrasion is generated, and even if a point of the probe deviates from the central point of the microwave slotted transmission line, the positioning precision of the probe is seriously influenced, thereby the measurement precision is influenced; in addition, since the upper part of the probe is fixed, the probe may be locked or even broken due to deviation during walking.
The probe of the complex impedance Tuner (Tuner) of the Maury company in America adopts a rotatable non-contact structure, the probe can be rotated, the probe is inserted into the microwave slotted transmission line, two side surfaces of the probe are not contacted with two inner surfaces of the microwave slotted transmission line, the probe has the advantages of free walking and no clamping, but if the two side surfaces of the probe are slightly rotated, the positioning accuracy of the probe is seriously influenced, so that the measurement accuracy is seriously influenced.
The chinese Bluetec corporation, the present company, invented a new probe as described in this patent application.
Disclosure of Invention
In order to improve the measurement precision of a microwave Load Pull system, the utility model provides a microwave probe which is used for the microwave Load Pull measurement system, can realize permanent accurate positioning of the probe, is in elastic soft contact with the surface of a microwave slotted transmission line, is not easy to wear and can be self-adaptively and automatically adjusted.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the self-adaptive automatic adjusting Probe (PR) of the microwave Load Pull system comprises a probe (P), a metallized fabric gasket (F), a probe fixing shaft (R), a spring (S), a probe fixing cavity (C), a spring pressing sheet (E) and a screw (B). The surface of two sides of the probe (P) is fixed with two inner surfaces of two metallized fabric gaskets (F), the probe (P) is fixed on a probe fixing shaft (R), the probe fixing shaft (R) is inserted into a probe fixing cavity (C), a spring (S) is sleeved in the probe fixing shaft (R), a spring pressing sheet (E) presses the spring (S) and is fastened on the probe fixing shaft (R) by a screw (B), and the self-adaptive automatic adjusting Probe (PR) of a complete microwave Load Pull system is formed.
The probe (P) in the self-adaptive automatic adjusting Probe (PR) can rotate and is inserted into the slotted transmission line (T), and two outer surfaces of two metallized fabric gaskets (F) are respectively clung to two inner surfaces of the microwave slotted transmission line (T), have elasticity and can move axially and up and down along the central conductor (D). Therefore, if the probe (P) deviates at a certain position of the microwave slotted transmission line (T), the pressure on two side surfaces of the probe (P) is different, so that the probe (P) can automatically rotate in a self-adaptive manner, the central position of the microwave slotted transmission line (T) is quickly and automatically corrected, and the self-adaptive automatic adjustment is realized. At the moment, the two outer surfaces of the two metallized fabric gaskets (F) of the probe (P) can still keep elastic soft contact with the two inner surfaces of the microwave slotted transmission line (T), so that the permanent accurate positioning of the probe is ensured, namely the measurement precision of a Load Pull system is ensured, and the probe is not easy to damage.
In addition, the probe (P) and the probe fixing shaft (R) can be of an integrated structure and can complete the same function; the two metallized fabric gaskets (F) fixed with the probe (P) can also adopt a pure metal sheet with metal elasticity and integrated with the probe (P) and can also complete the same function.
The utility model has the advantages that the self-adaptive automatic adjustment of the probe of the microwave Load Pull measuring system is realized, the probe is not easy to wear, and the permanent accurate positioning is realized, so that the measuring precision and the service life of the microwave Load Pull system are ensured.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 is a schematic diagram of the structure of the present invention and the structural relationship with a microwave slotted transmission line and a central conductor.
Fig. 2 is a schematic diagram of a complex impedance Tuner (Tuner) structure formed by using an embodiment of the present invention.
In the drawings
PR: adaptive self-adjusting probe of microwave Load Pull system (dashed box inside), P: probe, F, metallized fabric gasket, R: probe fixed shaft, S: a spring, C: probe fixation cavity, E: spring pressing sheet, B: screw, T: slotted transmission line, D: a center conductor;
c1: microwave connector, C2: microwave connector, M: horizontal and vertical driving device of the probe.
Detailed Description
In fig. 1, it is composed of a probe (P), a metallized fabric pad (F), a probe fixing shaft (R), a spring (S), a probe fixing cavity (C), a spring pressing sheet (E) and a screw (B). The surface of two sides of the probe (P) is adhered to two inner surfaces of two metallized fabric gaskets (F), the probe (P) is fixed on a probe fixing shaft (R), the probe fixing shaft (R) is inserted into a probe fixing cavity (C), a spring (S) is sleeved in the probe fixing shaft (R), a spring pressing sheet (E) presses the spring (S) and is fastened on the probe fixing shaft (R) by a screw (B), and a self-adaptive automatic adjusting Probe (PR) of a complete microwave Load Pull system is formed. The self-adaptive automatic adjusting Probe (PR) is inserted into the slotted transmission line (T) and keeps elastic soft contact with the two inner surfaces of the microwave slotted transmission line (T), and can move axially and up and down along the central conductor (D). Because the probe (P) of the structure can rotate, even if the probe (P) deviates from a certain position of the slotted transmission line (T), the probe (P) can automatically rotate due to pressure difference, so that the probe (P) can be quickly and automatically corrected to the central position of the microwave slotted transmission line (T), and the two outer surfaces of the two metalized fabric gaskets (F) adhered to the probe (P) can still keep elastic soft contact with the two inner surfaces of the microwave slotted transmission line (T), are not easy to damage, and ensure the permanent accurate positioning of the probe (P), thereby ensuring the measurement accuracy of the Load Pull system.
Fig. 2 shows a schematic structural diagram of a complex impedance Tuner (Tuner) according to an embodiment of the present invention, two ends of a microwave slotted transmission line (T) are respectively connected to a microwave connector (C1) and a microwave connector (C2), an adaptive automatic adjustment Probe (PR) of a microwave Load Pull system is inserted into the microwave slotted transmission line (T), and a horizontal and vertical driving device (M) of the probe drives the adaptive automatic adjustment Probe (PR) to horizontally and vertically move along a central conductor (D). Fig. 1 is a cross-sectional view a-a of a schematic structural diagram of a complex impedance Tuner (Tuner) according to an embodiment of the present invention shown in fig. 2.
Claims (8)
1. The utility model provides a self-adaptation automatically regulated Probe (PR) of microwave Load Pull system, it comprises probe (P), metallized fabric gasket (F), probe fixed axle (R), spring (S), probe fixed cavity (C), spring preforming (E) and screw (B), characterized by: the surface of two sides of the probe (P) is fixed with two inner surfaces of two metallized fabric gaskets (F), the probe (P) is fixed on a probe fixing shaft (R), the probe fixing shaft (R) is inserted into a probe fixing cavity (C), a spring (S) is sleeved in the probe fixing shaft (R), a spring pressing sheet (E) presses the spring (S) and is fastened on the probe fixing shaft (R) by a screw (B), and the self-adaptive automatic adjusting Probe (PR) of a complete microwave Load Pull system is formed.
2. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the probe (P) and the probe fixing shaft (R) are of an integrated structure.
3. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the two metallized fabric gaskets (F) fixed with the probe (P) adopt a pure metal sheet which has metal elasticity and is integrated with the probe (P).
4. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: two outer surfaces of the two metallized fabric gaskets (F) are respectively clung to two inner surfaces of the slotted transmission line (T) to keep elastic soft contact.
5. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the outer diameter of the spring (S) accommodated in the probe fixing cavity (C) is larger than the inner diameter of the lower opening of the probe fixing cavity (C).
6. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the probe fixing cavity (C) is cylindrical.
7. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the probe fixing cavity (C) is in a rectangular column shape.
8. The adaptive automatic adjustment probe of the microwave Load Pull system according to claim 1, wherein: the self-adaptive automatic adjusting Probe (PR) is inserted into the slotted transmission line (T) and can move axially and vertically along the central conductor (D).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632116.5U CN216209353U (en) | 2021-10-30 | 2021-10-30 | Self-adaptive automatic adjusting probe of microwave Load Pull system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632116.5U CN216209353U (en) | 2021-10-30 | 2021-10-30 | Self-adaptive automatic adjusting probe of microwave Load Pull system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216209353U true CN216209353U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122632116.5U Active CN216209353U (en) | 2021-10-30 | 2021-10-30 | Self-adaptive automatic adjusting probe of microwave Load Pull system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216209353U (en) |
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2021
- 2021-10-30 CN CN202122632116.5U patent/CN216209353U/en active Active
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