Northern Connectors Radiall RF & Microwave Cable Assemblies - Manual (Page 8)

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B-9
CONSTRUCTION / DImENSIONS
material mm inches
center conductor solid SPCCS (1) 0.10 0.004
dielectric solid PTFE (2) 0.57 0.022
inner shield SPC (3) braid 0.80 0.031
outer shield - - -
jacket white FEP (4) 1.22 0.048
ElECTRICal ChaRaCTERISTICS
characteristic impedance 80Ω ± 8Ω
operating frequency range DC - 2 GHz
shielding effectiveness 40 dB
voltage withstanding 2 600 V rms
peak power 0.9 kW
capacitance 60 pF / m 18.3 pF / ft
velocity of propagation 69 % (4.8 ns / m)
mEChaNICal ChaRaCTERISTICS
recommended minimum
bending radius
6.1 mm 0.240 inch
weight 3 g / m 0.002 Ibs / ft
ENVIRONmENTal ChaRaCTERISTICS
operating temperature range -90 / +200 °C -130 / +392 °F
fire resistance yes (UL94V0)
halogen free no
fREqUENCy / aTTENUaTION (typ.) /
CW maX pOWER (sea level / 40 °C)
GHz dB / m dB / ft Watts
0.1 0.70 0.21 86
0.2 0.99 0.30 64
0.3 1.21 0.37 50
0.4 1.40 0.42 41
0.5 1.57 0.47 38
0.6 1.71 0.52 35
0.8 1.98 0.60 30
1.0 2.22 0.67 26
1.5 2.71 0.82 21
2.0 3.14 0.95 18
attenuation calculation (dB/m) (2.21 x √f GHz) + (0.005 x f GHz)
(1) SPCCS = Silver Plated Copper covered steel
(2) PTFE = PolyTetraFluoroEthylene
(3) SPC = Silver Plated Copper
(4) FEP = Fluorinated Ethylene Propylene
Due to its 75 ohms characteristic impedance,
this cable is rather dedicated to TV/Video
application.
The very small outer diameter and bending
moment allow very easy routing during
installation.
Its very light weight makes it perfect to
be used in all miniature, space saving and
dynamic applications.
Usable in severe thermal conditions.
APPLICATION NOTE
flEXIblE CablE 1/75 S
(75 VMTX type)
p/N: C291 055 076
Cable assemblies
CONSTRUCTION / DImENSIONS
material mm inches
center conductor stranded SPCCS (1) 0.30 0.012
dielectric solid PTFE (2) 0.84 0.033
inner shield SPC (3) braid 1.30 0.051
outer shield - - -
jacket brown FEP (4) 1.78 0.07
ElECTRICal ChaRaCTERISTICS
characteristic impedance 50Ω ± 3Ω
operating frequency range DC - 3 GHz
shielding effectiveness 40 dB
voltage withstanding 2 000 V rms
peak power 1 kW
capacitance 96 pF / m 29 pF / ft
velocity of propagation 70 % (4.8 ns / m)
mEChaNICal ChaRaCTERISTICS
recommended minimum
bending radius
7 mm 0.275 inch
weight 8 g / m 0.0053 Ibs / ft
ENVIRONmENTal ChaRaCTERISTICS
operating temperature range -55 / +200 °C -67 / +392 °F
fire resistance yes (CSA FT6 / IEC 332-2)
halogen free no
fREqUENCy / aTTENUaTION (typ.) /
CW maX pOWER (sea level / 25 °C)
GHz dB / m dB / ft Watts
0.1 0.48 0.14 190
0.2 0.68 0.21 134
0.3 0.83 0.25 110
0.5 1.08 0.33 85
1.0 1.54 0.47 60
1.5 1.90 0.57 49
2.0 2.20 0.67 42
2.5 2.47 0.75 38
3.0 2.72 0.82 35
attenuation calculation (dB/m) (1.50 x √f GHz) + (0.04 x f GHz)
power calculation (W) 60 / √f GHz
(1) SPCCS = Silver Plated Copper covered steel
(2) PTFE = PolyTetraFluoroEthylene
(3) SPC = Silver Plated Copper
(4) FEP = Fluorinated Ethylene Propylene
Due to its small diameter and its stranded
inner conductor, RG 178 / KX21A is used for
applications requiring high flexibility.
Its very low bending moment allows an easy
routing during installation.
The insulation and jacket materials allow this
cable to be used in severe thermal conditions.
APPLICATION NOTE
flEXIblE CablE 2/50 S
(RG178 - KX21A)
p/N: C291 145 007
(MIL-C-17/93-RG178)
p/N: C291 145 017
(NF-C-93/550-KX21A)
: Service+ program = fast delivery
Note: typical attenuation for a couple of connectors (dB) = 0.045 x √f (GHz)