(Standard Structure )
Component
|
Standard Shield
|
Tri-Shield
|
Quad-Shield
|
Center Conductor
|
B. C /T. C /C. C. S
Dia. 0. 040in/1. 02mm
|
B. C /T. C /C. C. S
Dia. 0. 040in/1. 02mm
|
B. C /T. C /C. C. S
Dia. 0. 040in/1. 02mm
|
Dielectric
|
FPE / SPE
Dia. 0. 180in/4. 57mm
|
FPE / SPEDia. - 0. 180in/4. 57mm
|
FPE / SPE
Dia. 0. 180in/4. 57mm
|
1st Shield
|
Al Tape Bonded
Dia. 0. 187in/4. 75mm
|
Al Tape Bonded
Dia. 0. 187in/4. 75mm
|
Al Tape Bonded
Dia. 0. 187in/4. 75mm
|
2nd Shield
|
T. C/B. C /C. C. A Braid 40-100% Coverage
|
T. C / B. C Braid
40-100% Coverage
|
T. C / B. C Braid
40-100% Coverage
|
3rd Shield
|
NO
|
Al-PET-Al Tape
|
Al-PET-Al Tape
|
4th Shield
|
NO
|
NO
|
T. C/B. C /C. C. A Braid40-100% Coverage
|
Jacket
|
PVC / PE
Dia. 0. 240in/0. 81mm
|
PVC / PE
Dia. 0. 240in/0. 81mm
|
PVC / PE
Dia. 0. 240in/0. 81mm
|
Mechanical Characteristics
Minimum Breaking
|
Single Cable
|
82kgs
|
Dual Cable
|
166kgs
|
|
cohesive force between center conductor and Dielectric
|
> 20N/5mm
|
Electrical Characteristics :
Capacitance
|
50+/-3. 0 nf/km
|
|
Impedance
|
75+/-3 ohm
|
|
Velocity
|
85%
|
|
Dielectric
Effectiveness
|
55Mhz
|
> =60db
|
300Mhz
|
> =70db
|
|
1000Mhz
|
> =70db
|
|
Return Loss
|
1~470Mhz
|
> =22db
|
100% Swept
|
470~1000Mhz
|
> =20db
|
|
1000~2200Mhz
|
> =18db
|
Attenuation Constant
attenuation
|
|
|
Frequency (Mhz)
|
Minimum (Db/100ft. )
|
Maximum(Db/100ft. )
|
5
|
0. 58
|
1. 90
|
55
|
1. 60
|
5. 25
|
83
|
1. 95
|
6. 40
|
187
|
2. 85
|
9. 35
|
211
|
3. 05
|
10. 00
|
250
|
3. 30
|
10. 82
|
300
|
3. 55
|
11. 64
|
350
|
3. 85
|
12. 63
|
400
|
4. 15
|
13. 61
|
450
|
4. 40
|
14. 43
|
500
|
4. 66
|
15. 09
|
550
|
4. 90
|
16. 08
|
600
|
5. 10
|
16. 73
|
750
|
5. 65
|
18. 54
|
865
|
6. 10
|
20. 01
|
1000
|
6. 55
|
21. 49
|