Keysight Labs | RF Connectors - Why so many? @KeysightLabs | Uploaded December 2022 | Updated October 2024, 13 hours ago.
Why are there so many RF connectors?
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A quick look SMA, BNC, F-type RF connectors.

It's all about frequency and power loss.

BNC connectors / BNC cables:

Maximum frequency: 4 - 15 GHz *actual frequency depends on specific component
Insertion loss: 0.2 dB at 3 GHz typical
Impedance: typically 50Ω or 75Ω
Benefit : easy to use, inexpensive, robust

F-Type connector / F connector:

Maximum frequency: 1-3 GHz
Insertion loss: 0.5dB at 1 GHz typical
Impedance: 75Ω
Benefit: low cost

SMA connector / Sub-miniature Version A

Maximum frequency: 18-27 GHz
Insertion loss: 0.17 dB at 10 GHz typical
Impedance: 50Ω
Benefit: high performance


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