Coaxial Switch Brochure
delivering precision, reliability, and consistency across demanding applications
FAQ about Coaxial Switches
What is a coaxial switch?
A coaxial switch is a device used to route high-frequency RF or microwave signals between different signal paths using coaxial transmission lines. It allows one signal to be connected to multiple outputs or multiple signals to be connected to one output.
What are coaxial switches used for?
They are commonly used in RF test systems, telecommunications, aerospace & defense, satellite communication, broadcast systems, and wireless infrastructure to manage signal routing without disconnecting cables.
What are the main types of coaxial switches?
Common types include:
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Electromechanical coaxial switches
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Solid-state (PIN diode or FET) switches
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Latching and non-latching switches
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Transfer (DPDT), SPDT, SPnT, and matrix switches
What is the difference between electromechanical and solid-state coaxial switches?
Electromechanical switches offer low insertion loss, high isolation, and wide frequency range, but have slower switching speed.
Solid-state switches provide very fast switching and high reliability, but usually have higher insertion loss and lower power handling.
What frequency range do coaxial switches support?
Depending on design and connector type, coaxial switches can operate from DC up to 18 GHz, 26.5 GHz, 40 GHz, or even higher for specialized microwave and mmWave applications.
What is insertion loss in a coaxial switch?
Insertion loss is the amount of signal power lost when the signal passes through the switch. Lower insertion loss is critical for maintaining signal integrity, especially in high-frequency systems.
What does isolation mean in a coaxial switch?
Isolation refers to how well the switch prevents signal leakage between unused ports. High isolation minimizes interference and crosstalk in RF systems.
How is a coaxial switch controlled?
Coaxial switches can be controlled manually or electronically using DC control signals, TTL logic, USB, Ethernet, or GPIB interfaces, depending on the application.
What factors should be considered when selecting a coaxial switch?
Key factors include:
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Frequency range
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Insertion loss and isolation
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Power handling capability
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Switching speed
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Connector type (SMA, N-type, 2.92 mm, etc.)
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Mechanical life or reliability
How long does a coaxial switch last?
Electromechanical coaxial switches typically have a mechanical life of 1–10 million cycles, depending on design and usage, while solid-state switches have much longer lifespans due to no moving parts.
How can I order coaxial switch from MCV Microwave?
To place an order for coaxial switch please contact us and we will help you!