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LLS low loss semi-steel cable

LLS-086,LLS-141,LLS-141U

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Featuers&Advantages

• Low loss
• Low PIM
• phase&Amplitude stable
• Superior shielding effectiveness
• Maximum operating frequency DC-50GHz
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Product description

LLS series cables are UHF series economical radio frequency cables, which increase the cable attenuation with less floating, and also greatly reduce the cable cost. It is realized through the cable structure. It uses low-density PTFE medium, aluminum foil longitudinally wrapped and silver-plated wire Woven. This series of products are widely used in phased radar, military electronic equipment and other applications;

Performance parameter

Mechanical Dimensions

Cable Model LLS-086 LLS-141 LLS-141U Material
Center Conductor 0.56 0.99 1.05 Silver Plated Copper
0.0220 0.0390 0.0413
Dielectric 1.68 3.0 3.0 Microporus PTFE
0.066 0.118 0.118
External conductor 2.18 3.58 3.58 Copper tube
0.086 0.141 0.141

Electrical Data

Cable Model Impedance Vp (%) Shielding efficiency Permittivity Delay Capacitance Voltage Withstand Peak power Cut-off Frequency
LLS-086 50Ω 76% >165dB 1.73 4.38nS/m 87.7pF/m 600 DC 2 KW 60GHz
1.33nS/Ft 26.7pF/Ft
LLS-141 50Ω 76% >165dB 1.73 4.38nS/m 87.7pF/m 1500 DC 4 KW 35GHz
1.33nS/Ft 26.7pF/Ft
LLS-141U 50Ω 82% >165dB 1.49 4.06nS/m 81.4pF/m 1500 DC 4 KW 38GHz
1.24nS/Ft 24.8pF/Ft

Mechanical Data

Cable Model Bend Radious:installation Weight Temp, Operating&Installation
LLS-086 7 mm 19 g/m -55 +250℃
0.276 in 0.013 Ibs/ft -67 +482℉
LLS-141 18 mm 43 g/m -55 +250℃
0.709 in 0.029 Ibs/ft -67 +482℉
LLS-141U 15 mm 45 g/m -55 +250℃
0.591 in 0.030 Ibs/ft -67 +482℉

Attenuation vs. Frequency dB/100m


Frequency (MHz) 300 1000 3000 6000 8000 10000 12000 18000 26500 40000 50000 K1 K2
LLS-086 30.00 55.04 96.08 136.92 158.73 178.09 195.70 241.63 295.93 367.96 414.50 1.7220000 0.0005890
LLS-141 16.82 30.98 54.41 77.99 90.69 102.01 112.37 139.57 172.11 0.9610350 0.0005910
LLS-141U 16.75 30.83 53.96 77.09 89.49 100.51 110.57 136.87 168.12 0.9611400 0.0004400 

Attenuation at Any Frequency = [ k1 x SQRT (Fmhz)] + [ k2 x Fmhz ]; dB per 100 meter
Power Handling vs. Frequency (Maximum)


Frequency (MHz) 300 1000 3000 6000 8000 10000 12000 18000 26500 40000 50000
LLS-086 476 259.4 148.6 104.3 90.0 80.2 73.0 59.1 48.3 38.8 34.5
LLS-141 1086 589.6 335.7 234.2 201.4 179.0 162.5 130.9 106.1
LLS-141U 1088 591.0 337.7 236.4 203.6 181.3 164.8 133.1 108.4

Phase Change vs Temperature (PPM)


The temperature phase refers to the PPM value of the phase of the cable in a certain temperature range when the cable is in a static state. The PPM value of the LLS series cable in the temperature range of -50°~85°: about 1450PPM, if PPM is converted into a percentage The number "%" is: 1450ppm=1.45%, relatively speaking, the change is very small. It is mainly the structure of the cable and the material of the dielectric layer that play a decisive role. So this is also the characteristic of UHF series cables. In addition to the influence of temperature on phase In addition, the main factor that affects the phase change is the mechanical environment. The phase value of the cable and the amplitude of the phase change after bending are tested under the constant temperature and static state to determine the mechanical phase stability.

Component selection information


LLS series connector selection reference

Connector type Connector code Working frequency (GHz) LLS-086 LLS-141 LLS-141U Typical standing wave
2.4mm Male 24M 50 TS-24M086-01     1.3
Female 24F TS-24F086-01    
2.92mm Male 29M 40 TS-29M086-01     1.3
Female 29F      
SSMP Female SSMPF 26.5 TS-SSMPF280-01     1.35
Female-RA SSMPF-RA TS-SSMPF280-RA-01    
SMP Male SMPM 26.5 TS-SMPF280-RA-01     1.35
Female SMPF TS-SMPF280-01    
SMA Male SM 26.5 TS-SM086-01 01-MS009 01-MS009 1.3
Female SF 18 TS-SF086-03 TS-SF141-01 TS-SF141-01
N Male NM 18   TS-NM400-02 TS-NM400-02 1.3
Female NF   TS-NF400-01 TS-NF400-01

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