• F-11
    F-11
  • F-12
    F-12
  • F-15
    F-15
  • F-16
    F-16
  • F-11 thum
  • F-12 thum
  • F-15 thum
  • F-16 thum

Phone Plugs

CANARE original and tough body design.

Key Features and Benefits

  • Featuring a properly cable cramp system ensures long life reliability.
  • Suited to cables up to 6.0 mm in outer diameter.
  • Tech Data
  • Downloads

Phone Plugs

Type Model Description Standard package
F-11 3.5 mm Mini Phone TS 10 pcs
F-12 3.5 mm Mini Phone TRS
F-15 6.3 mm (1/4") TS Phone
F-16 6.3 mm (1/4") TRS Phone
  • Canare's durable design

    Canare's durable design

Technical Note

Voltage Standing - wave Ratio (VSWR) and Return Loss

Terminating the receiving end of a limited length coaxial cable using a resistance value not equal to its characteristic impedance creates a reflected wave that returns back down the cable to the sending end. The result is interference developing between the travelling wave and the return wave which results in a standing wave that causes voltage levels to fluctuate. The degree to which terminating resistance matches the characteristic impedance is indicated using the VSWR or voltage standing-wave ratio standard shown in Fig. 1. Going hand in hand with the VSWR ratio is the return loss factor which measures the size of the reflected wave current in relation to the travelling wave current. (See Fig. 2)

Fig. 1 Voltage Distribution Over Coaxial Cable

VSWR Return Loss (dB)
2 9.54
1.5 13.98
1.2 20.83
1.1 26.44
1.05 32.26
1.02 40.09
1.01 46.06

Fig. 2 VSWR to Return Loss Conversion Table

Drawing

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