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Chapter 3 Coaxial Connector Options When evaluating design parameters for coaxial connectors, engineers must consider several key features. Frequency The operating frequency of the application is a crucial factor, as it determines the maximum frequency at which the cable assembly must function. Higher frequencies require connectors with tighter tolerances and superior materials to maintain signal integrity and prevent loss. For instance, applications involving high-frequency signals, such as satellite communications or RF broadcasting, necessitate connectors designed to handle these specific demands with minimal attenuation and reflection. Coupling Style The coupling style of the connector system is an important consideration, as it determines how the connectors mate and lock together, affecting both the ease of installation and the stability of the connection. Standard Options include: • Threaded connectors: These are the most robust for high-vibration applications and often provide the best electrical performance. • Bayonet threaded connectors: These feature a simple quarter-turn mechanism, similar to BNC connectors, making them easy to use. • Snap-on connectors: These offer quick and simple connections. • Push-pull series: Alternatives like 1.0/2.3 or QMA connectors enhance the ease of assembling cables into systems. Attachment Method Attachment methods for cable connectors vary: • Crimp-crimp: Both center contact and braid are crimped. • Crimp-solder: The center contact is soldered, and the braid is crimped. • Clamp-solder: The braid is clamped, and the center contact is soldered. • Solder-solder: Both center contact and braid are soldered. The choice of attachment method depends on the connector size, cable size, and desired performance characteristics. Gender Connectors are available in male or female genders. Size Connectors come in various sizes. Orientation Orientation is another factor, with options for straight or right-angle connectors. Balancing Tradeoffs and Custom Benefits Choosing the right coaxial connector involves tradeoffs between the features above, each influencing the overall performance and usability of the connector in different ways. 9 Wired for Success: Advantages of Custom RF Cables over COTS and DIY