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News

RF adapter level

Author: Date:5/31/2019 2:07:45 AM
 With the rapid development of RF/microwave technology, the corresponding transfer/connection technology has also been developed accordingly. The demand for RF adapters has gradually increased, but many companies' engineers and purchases know the level of RF adapters.

Typically, each type of adapter has three grades of product, providing a suitable adapter for each, taking into account cost and performance. Some special adapters (connectors) may not have all three grades of product.

Metering level

· Standard parts for calibration

· The highest performance slotless connection design

· Minimum tolerance

· Air medium

· long life

· High production costs

Among all connector grades, metering-level connectors perform best, and their cost is also the highest. Generally used as calibration standards, performance verification standards and some applications that require precision connections.

This grade of connector is the most accurate and has the smallest tolerances and can withstand multiple iterations, so it is the longest of all grades.

Metering grade adapters are the closest in terms of material and size. To provide the highest level of performance and traceability, the metering adapter uses an air media interface and a slotless female connector.

Although the repeatability of the metering adapter is very good, it provides good accuracy after multiple uses, but this is not to say that the metering adapter is very robust and does not need to be used with care. Conversely, because the grades of the adapters used in the production process are the most accurate tools and processes, matching them with lower grade adapters and metering adapters, dust and other small debris. This makes one high-precision measurement ineffective, and it is possible to damage the adapter of the metering stage.

Note: Do not use the adapter (metering level) of your metering standard to the production grade adapter.

 

Instrument level

· Used on the instrument's output input interface and some economical calibration parts

· Better performance

· Smaller tolerances

· Support for non-conducting media interfaces

· Long service life

Instrument grade joints are generally considered to be "intermediate grade" joints. This grade of connector is mainly used on the inside of the instrument and the connector of the instrument. This type of adapter is also used on some economical calibration parts. It provides better test performance and less tolerances. Compared with metering adapters, some instrument-grade adapters may use non-conducting interfaces and may not be perfectly matched to metering joints.

 

Note: Although academically called instrument level, the test connectors on some instruments use very precise connectors (very close to the metering level), so try to add the appropriate adapter to the instrument's test port during use.

 

Production level

· Used on products

· Low performance

· Large tolerances

· Support for non-conducting media interfaces

· Limited number of connections

· low cost

This is the lowest level connector and is generally used on test products. Due to its large tolerance, the performance of this level of connector is also the worst of all grades. Each time you connect to the instrument using this level of connector, you need to check the connector carefully. Do not use production-grade connectors to connect your metering-level connectors. Production-grade connectors are relatively low cost and have a short life. If the joint level of the device under test is relatively low, use the appropriate adapter to protect the connector of the instrument when connecting the instrument.