Coaxial Connectors

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Coaxial Connectors
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Coaxial Connectors

• Properly mate cables to equipment
• Properly mate cables to cables
• Can be easily adapted to other types
• Maintain impedance

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Coaxial Connectors

• PL-259 aka UHF Connector (50 ohms)
• WWII threaded connector intended for use as a
  video connector in RADAR applications.
• It later saw use as an RF connector and is
  generally used at HF and VHF frequencies.

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Coaxial Connectors

• BNC Connector (50 or 75 ohms)
• Aka (Bayonet Neill-Concelman)
• Very common RF coaxial connector
• Used for audio, video, RF and networking
• Commonly found in radio and television
• Typically good from 0MHz 3 GHz
• Supports voltages up to 500 volts.

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BNC Connector
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F Connector
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Coaxial Connectors

• F connector (75 ohms)
• Commonly used for over the air terrestrial
  television, cable television, satellite
  television and cable modems.
• Best with RG-6/U cable.
• Good up to 1 GHz.

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Doublet Advantages

• Cut to lowest frequency you intend to use.
• Must use a tuner.
• Must have a 41 Balun in the tuner. (usually
  will have 2 or 3 insulated binding posts for
  connecting wires on back)
• Will tune ANY frequency in the HF bands.
• Will tune 6 meter band.

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