Low-PIM coaxial quick release adapter for linearity and power capacity testing

Abstract

The invention discloses a low-PIM coaxial quick-release adapter for linearity and power capacity testing. The low-PIM coaxial quick-release adapter comprises a coaxial section and a clamp for fixing aconductor, wherein the clamp is provided with a clamping groove which is used for clamping a planar microwave circuit with one end being inserted into the clamping groove through a fastening bolt, the end face of the coaxial section is provided with metal contact elastic pieces which are arranged up and down, and the contact elastic pieces are connected with corresponding protrusions on the end face of the coaxial section. After the coaxial section is arranged in a coaxial hole of the clamp, a contact piece fastening bolt arranged on the clamp can clamp the contact elastic pieces and the planar microwave circuit, so that the contact elastic pieces are in contact with a signal line and a ground plane of the planar microwave circuit, and the point contact connection between the coaxial signal line and the ground line and between the signal line and the ground line of the planar microwave circuit is realized. The connecting reliability of the connecting end face can be ensured, and the low-PIM characteristic of the connecting end face is ensured.

Description

technical field [0001] The invention relates to the technical field of microwave circuit devices, in particular to a low-PIM coaxial quick-release adapter for linearity and power capacity testing. Background technique [0002] Planar microwave circuits have a semi-open structure feature, which makes planar circuits, especially microstrip lines, very easy for surface integration and connection conversion of microwave devices, so planar circuits are widely used in microwave signal transmission and processing. As an important characteristic of microwave circuit devices, power capacity and linearity (Passive Intermodulation, Passive Intermodulation) are important parameters related to the stability of planar microwave circuits under extreme conditions. How to evaluate the linearity and power capacity indicators of planar microwave circuits has become an important part of evaluating and optimizing the reliability of microwave circuit devices. [0003] In the measurement of linea...

AI Technical Summary

Problems solved by technology

[0004] The main limiting factors of the linearity and power capacity of the transfer interface of traditional microwave circuits are the unreliability of contact and the high-power reliability degradation caused by repeated disassembly of the connector interface damage

In general applications, in order to ensure excellent linearity and power capacity, the soldering contact method is very common, but this method also makes it extremely difficult to repair once the connection between the adapter and the planar circuit is made, and it is not suitable for applications that are quickly and repeatedly disassembled

In this regard, there is currently no low-PIM quick-release connector specially used for linearity and power capacity testing.

Images