Ham Radio General Class Practice Test

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What is a type SMA connector?

A large bayonet-type connector usable at power levels in excess of 1 KW
A small threaded connector suitable for signals up to several GHz
A connector designed for serial multiple access signals
A type of push-on connector intended for high-voltage applications

The correct answer is: A small threaded connector suitable for signals up to several GHz

The type SMA connector is indeed a small threaded connector designed to handle microwave frequencies, making it suitable for signals up to several gigahertz. This connector is commonly used in RF applications due to its excellent performance characteristics at high frequencies, including low reflection and insertion loss. The threaded design ensures a secure connection, which is vital for maintaining signal integrity in various communication systems, such as antennas, transmitters, and receivers. In contrast to other connectors like bayonet-type connectors, which are designed for much higher power levels and larger applications, the SMA is compact and specifically optimized for high-frequency applications where size and precision are key. Additionally, the other options describe connectors that are not representative of the SMA's features or intended use scenario, further clarifying why option B accurately defines the SMA connector.