• 75 ohm KC IMAGE
  • KCM-PC
  • KCM-LR
  • KC1.2R-****-S
  • KC1.2R-****-L

75 ohm Micro-miniature Coaxial Connectors

Canare's exclusive micro miniature connectors, KC series: specially designed for 4K/8K UHD equipment. Our PCB mount solutions provide flexible layout and reliable connectivity on 12G-SDI signal path. Products are 12GHz verified and guaranteed SMPTE ST2082-1.

Key Features and Benefits

  • DC to 12 GHz; meets the SMPTE 2082-1 return loss requirements.
    Return loss: 26 dB @ 1.5 GHz, 20 dB @ 3 GHz, 15 dB @ 6 GHz, 10 dB @ 12 GHz
  • Snap-on engaging
  • Durable design; beneficial for maintenance.
  • Temperature range; -25 to 85 degree C
  • The best flexibility on PCB design
BCJ-FKCM requires the nut driver bit NDT-7/16 for installation and removal.
Contact for the details.
  • Tech Data

PCB Mount Receptacles12G-SDI

Type Model Description Standard package
KCM-PC Straight 20 pcs
KCM-LR Right Angle 20 pcs

KC to BNC Conversion Adapter12G-SDI

Type Model Description Nut Driver Bit Standard package
BCJ-KCM Rear Mount, Hex Nut - 20 pcs
BCJ-FKCM Front Mount, Grooved Nut NDT-7/16 20 pcs

Cable Assemblies12G-SDI

Type Model Description Length(mm)
Plug A Plug B
KC1.2R-0015-S Straight Straight 150
KC1.2R-0020-S 200
KC1.2R-0030-S 300
KC1.2R-0015-L Right Angle Right Angle 150
KC1.2R-0020-L 200
KC1.2R-0030-L 300
KC1.2R-0015-SL Straight Right Angle 150
KC1.2R-0020-SL 200
KC1.2R-0030-SL 300
  • Jacket: FEP(blue)

Return loss

  • Interface to Termination

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



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