RF Cable selection
For low loss, high power, low radiation purpose
Andrew Heliax series: 1/4", 3/8", 1/2", ... http://www.rfparts.com/coax/heliaxcoax.html
Drawback: Thick cable = low flexibility. Practically only compatible with N-connectors
FSJ1-50A
- Thickness 1/4"
- Impedance 50 hm
- Capacitance 24.2 pF/ft | 79.4 pF/m
- DCR_in 3.000 Ohms/kft | 9.843 Ohms/km
- DCR_out 2.000 Ohms/kft | 6.562 Ohms/km
- 30MHz 0.973 dB/100ft 3.19 dB/100m
- 50MHz 1.26 4.14
- 150MHz 2.21 7.25
- 200MHz 2.56 8.41
- 894MHz 5.61 18.4
- 1500MHz 7.41 24.3
- 2300MHz 9.37 30.7
FSJ2-50A
- Thickness 3/8"
- Impedance 50 hm
- Capacitance 24.3 pF/ft | 79.7 pF/m
- DCR_in 1.290 Ohms/kft | 4.232 Ohms/km
- DCR_out 1.520 Ohms/kft | 4.987 Ohms/km
MHz dB/100ft dB/100m AvgPow
- 0.5 0.27 0.082 13.20
- 1 0.383 0.117 13.20
- 1.5 0.469 0.143 13.20
- 2 0.542 0.165 13.20
- 10 1.219 0.372 6.97
- 20 1.732 0.528 4.91
- 30 2.128 0.649 3.99
- 50 2.762 0.842 3.08
- 88 3.691 1.125 2.30
- 100 3.943 1.202 2.16
- 108 4.103 1.25 2.07
- 150 4.864 1.482 1.75
- 174 5.254 1.601 1.62
- 200 5.65 1.722 1.50
- 300 6.99 2.13 1.22
- 400 8.139 2.481 1.04
- 450 8.665 2.641 0.98
- 500 9.166 2.794 0.93
FSJ4-50A
- Thickness 1/2"
- Impedance 50 hm
- Capacitance 25.2 pF/ft | 82.7 pF/m
- DCR_in 0.820 Ohms/kft | 2.690 Ohms/km
- DCR_out 1.000 Ohms/kft | 3.281 Ohms/km
MHz dB/100ft dB/100m AvgPow
- 0.5 0.231 0.07 15.60
- 1 0.327 0.1 15.60
- 1.5 0.401 0.122 15.60
- 2 0.463 0.141 15.60
- 10 1.044 0.318 10.14
- 20 1.485 0.453 7.12
- 30 1.828 0.557 5.79
- 50 2.377 0.724 4.45
- 88 3.187 0.971 3.32
- 100 3.406 1.038 3.11
- 108 3.546 1.081 2.98
- 150 4.214 1.285 2.51
- 174 4.558 1.389 2.32
- 200 4.908 1.496 2.16
- 300 6.095 1.858 1.74
- 400 7.121 2.17 1.49
- 450 7.592 2.314 1.39
- 500 8.042 2.451 1.32
For high allowable loss, low power, low radiation purpose
BELDEN 1671J http://www.belden.com/techdatas/english/1671J.pdf
RG-405/U spec 50 Ohm cable. Very flexible. SMA compatible.
Drawback: High loss.
- Thickness RG405
- Impedance 50 hm
- Capacitance 29.5 pF/ft
- DCR_in 64.2 Ohms/kft
- DCR_out 10.2 Ohms/kft
MHz dB/100ft dB/100m AvgPow
- 500 15.0
- 1000 22.2