4691-2

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Between Series Adapters

A 4691-2 adapter, commonly referred to as a “between series” (BS) adapter, is a versatile piece of equipment that is used to connect two devices with different electrical characteristics. These adapters are used in a wide variety of applications, including but not limited to aviation, industrial, medical, telecommunication, and defense systems. They are often used to bridge the gap between legacy systems and the modern world, allowing previously incompatible equipment and systems to be connected. As such they are an essential component for a wide range of applications and systems.

Overview of 4691-2 Adapters

BS adapters are a particular type of RF adapter that is specially designed to connect two systems with different characteristics. This type of adapter uses a connector at one end which is typically a coaxial connector (BNC, SMA, etc.), and then a connector at the other end which typically matches the connector at the device being connected. The 4691-2 adapters differ from other RF adapters in that the center conductor of the adapter at one end is connected to the opposite end via a wire. This allows for the connection of two systems with different input and output impedance levels, something which other RF adapters are not designed to do. Additionally, the 4691-2 adapter is designed to maintain the grounding requirements of either system being connected. As a result, the 4691-2 adapter is the most commonly used type of adapter for between series connections.

Application Field and Working Principle of 4691-2 Adapters

BS adapters have a host of applications in nearly any industry. As previously mentioned, they are commonly used in aviation, industrial, medical, telecommunication, and defense systems to connect devices or systems with different electrical characteristics. However, because they possess the unique capability of providing a low loss connection between two devices, they can also be used to connect two systems when a lossless connection is desired. An example of this would be in antenna systems for cellular networks, where 4691-2 adapters would be used to provide low loss, or no loss, connections between the antenna and the transmitter and receiver.

A 4691-2 adapter is designed to achieve low loss and ground continuity between two systems. To achieve this, the center conductor of the adapter must be made of a low loss metal such as silver or copper. Additionally, the material used must be of a sufficient thickness in order to allow for good conductivity while also not adding too much capacitive or inductive reactance. Finally, the adapter must be designed in a way that prevents the heat generated by the connection from damaging the components.

Advantages of 4691-2 Adapters

The 4691-2 adapter is designed to provide a low loss connection between two systems with different electrical characteristics. This means that they are widely used in applications where low loss is critical, such as in antenna systems. Additionally, the adapter is designed to be compatible with both systems being connected, meaning that the adapter can provide a low loss connection without having to modify either system. Finally, the adapter is designed to maintain the ground continuity between the two systems, so that any potential ground loops, which could cause interference issues, are eliminated.

Conclusion

BS adapters are an important part of the RF world, allowing for the connection of different systems with different electrical characteristics. They provide a low loss connection between two systems, allowing them to work together without having to modify either system. Additionally, the adapters provide ground continuity between the two systems, eliminating potential ground loops that could interfere with the working of the systems. As such, 4691-2 adapters are essential components in any system that requires a between series connection.

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