Types and structure of the coaxial adapter

Coaxial adapters are used to transmit RF signals in a wide frequency range up to 50GHz or higher, mainly used in radar, communications, data transmission and aerospace equipment.

 

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What is a coaxial adapter? And what does it do?

Coaxial adapters are used to transmit RF signals in a wide frequency range up to 50GHz or higher, mainly used in radar, communications, data transmission and aerospace equipment.

The basic structure of coaxial adapter includes: inner conductor, insulator, outer conductor.

Coaxial adapters are mainly divided into: 3.5mm, 2.92mm, 2.4mm, 1.85mm, 1.0mm, SMA, SMB, SMP, MCX, N, DIN, BNC, TNC, IPEX and so on

 

Male head and female head how to distinguish:

What is Male head (Male for short)?

Male head, thread inside, needle inside (RP reverse polarity if hole inside)

What is a Female head?

Female head, thread outside, hole inside (PR reverse polarity if needle inside)

 

 

How to recognize a needle or a hole?

The central conductor of the male head is machined to have a shoulder and a conical head where it is connected to facilitate connection.

There are two types of female head central conductors: slotless and slotted

 

Describe the basic requirements of an adapter:

1. Joint type: such as SMA, 3.5mm, N type, MCX

2. Characteristic impedance: Connector impedance is generally divided into 50 ohms and 75 ohms

3. Contact mode: male head, female head

 

When making demands for adapters, as long as these three basic requirements are met, adapters can probably be purchased according to your needs:

For example, an n-type SMA adapter is required. It is described as follows: an adapter requiring 50 ohm impedance, with an N-type male head at one end and an SMA female head at the other end, is basically 80% non-problematic

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