ChipSet Measurement Cables0 pages
ChipSet Measurement Cables
Test Cables for Lightweight DUTs and Board Testing
MegaPhase’s CM series cable provides viable test solutions to the chipset market when cable
inteconnections are required. This low density dieletric cable offers several benefits including
good flexibilty, low capapacitance for low-loss transfer of power and high frequencies, stable
phase performance above room temperature, and a large temperature operating profile.
Electrical Data
Specifications
Maximum Frequency:
40 GHz
50 Ω nominal
Impedence:
Propagation Velocity:
Time Delay:
75.5% nominal
1.35 ns/ft (4.43 ns/m)
Shielding Effectiveness:
-90 dB minimum (cable only)
Dielectric Withstanding
Voltage:
Capacitance:
5 kV at 60 Hz
26.7 pF/ft (87.6 pF/m)
Mechanical Data
Finished Outer Diameter:
Static Bend Radius:
0.126 in
(0.32 cm)
0.6 in (1.524 cm)
Weight with Standard
0.02 lbs/ft (0.03 kg/m)
Jacket /Armor:
Operating Temp. Range:
-67 to 392º F
(-55 to 200º C)
Above 185º F (85º C) use “T” designation
Frequency
GHz
0.3
0.5
0.8
1.0
2.0
2.4
3.0
4.0
6.0
8.0
10.0
12.4
15.0
18.0
20.0
22.0
24.0
26.5
28.0
30.0
32.0
34.0
36.0
40.0
Band
Part
No.
UHF
L
CM4
S
C
CM8
X
CM18
Ku
K
CM26
CM34
Ka
CM40
Attenuation
db/ft
dB/m
Conn.
Loss dB
0.092
0.119
0.152
0.170
0.243
0.267
0.300
0.349
0.433
0.505
0.569
0.639
0.710
0.785
0.832
0.877
0.921
0.973
1.004
1.044
1.083
1.121
1.158
1.230
0.302
0.391
0.497
0.558
0.798
0.877
0.985
1.146
1.420
1.656
1.867
2.098
2.328
2.574
2.729
2.877
3.021
3.193
3.294
3.425
3.553
3.677
3.799
4.036
0.006
0.009
0.012
0.014
0.024
0.027
0.032
0.040
0.055
0.070
0.084
0.101
0.118
0.139
0.152
0.165
0.178
0.194
0.204
0.217
0.230
0.243
0.256
0.281
VSWR
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
Note: Typical Insertion Loss dB = (Attenuation)(Length) + 2(Conn. Loss)
Attenuation at any frequency = (0.1654 x √freq GHz) + (0.0046 x freq GHz)
Cable Construction
Inner Conductor:
Solid Ag-plated Cu
Dielectric:
Boundless PTFE
Outer Conductor: Ag-plated Flat Cu Braid/
Polyamide Foil/Ag-plated Round Braid
Standard Finish:
FEP
(a wide variety of other protective finishes
and armors available)
Available Connectors
2.4mm, 2.92mm, 3.5mm, SMA, TNC, Type N
(maximum frequency dependent on cable;
other connectors available)
Excellence in RF Interconnects
2098 West Main Street, Stroudsburg, PA 18360
Tel: 1-877-MegaPhase / 570-424-8400
Fax: 1-877-MegaFax / 570-424-6031
Email: fastquote@megaphase.com / Web: www.megaphase.com