1 Cyflwyniad
Mae gan gebl cyfechelog sy'n gollwng swyddogaethau trosglwyddo signal ac antena. Trwy reoli agoriad y dargludydd allanol, gellir pelydru a derbyn y don -ynni electromagnetig rheoledig yn unffurf ar hyd y llinell, gan gwmpasu ardal ddall y maes electromagnetig, a chyflawni pwrpas cyfathrebu symudol llyfn.
2. Manylion Pacio
- Cyfathrebu symudol mewn adeiladau, twneli ac isffyrdd (GSM, PCN/ PCS, DECT…)
- Cyfathrebu mewn adeiladau tanddaearol, fel llawer parcio, isloriau a mwyngloddiau
- Trosglwyddo gwybodaeth band FM (88-108MHz) mewn twneli priffyrdd
- Anfon signalau larwm diwifr mewn twneli priffyrdd
- Trosglwyddo signalau ffôn symudol mewn twneli priffyrdd
- Trosglwyddo signal mewn isffyrdd neu dwneli isffordd
Cebl cyfechelog gollwng | |||||
Manyleb adeiladu (mm) | 1/2 ″ C. | 7/8 ″ C. | 1-1/4 ″ C. | 1-5/8 ″ C. | |
① Arweinydd mewnol | 1/2 ″ C: alwminiwm clad copr 7/8 ″ C: tiwb copr llyfn1-1/4 ″ C 、 1-5/8 ″ C: tiwb copr rhychog helical | 4.80 ± 0.05 | 9.30 ± 0.20 | 13.00 ± 0.20 | 17.80 ± 0.30 |
② dielectric | Ewyn pe | 12.30 ± 0.20 | 22.80 ± 0.30 | 32.50 ± 0.30 | 42.80 ± 0.30 |
③ dargludydd allanol | Ffoil copr sy'n gorgyffwrdd | 13.00 ± 0.40 | 23.50 ± 0.50 | 33.20 ± 0.50 | 43.80 ± 0.50 |
④ Siaced | Pe neu lszh | 15.50 ± 0.40 | 27.00 ± 0.50 | 37.20 ± 0.50 | 47.60 ± 0.50 |
Nhrydanol Nodweddiontics & Mecanyddol ac amgylcheddol Nodweddion | |||||
Rhwystr nodweddiadol (ω) | 50 ± 2 | 50 ± 2 | 50 ± 2 | 50 ± 2 | |
Cyflymder lluosogi (%) | 88 | 89 | 89 | 89 | |
Cynhwysedd (PF/M) | 76.0 | 75.0 | 75.0 | 75.0 | |
Ymwrthedd inswleiddio, min (Mω • km) | 10000 | 10000 | 10000 | 10000 | |
Foltedd prawf gwreichionen siaced [kv (AC)] | 8 | 8 | 10 | 10 | |
Foltedd inswleiddio [kv (dc,1 munud)] | 6 | 10 | 10 | 15 | |
Amledd gweithredu (MHz) | 5-2700 | 5-2700 | 5-2700 | 5-2700 | |
Yr amledd gweithredu gorau posibl (MHz) | 700-2700 | 700-2700 | 700-2700 | 700-2700 | |
Amledd Gweithredol Gwaharddedig (MHz) | 1085-1150 | 1085-1150 | 1085-1150 | 1085-1150 | |
2170-2300 | 2170-2300 | 2170-2300 | 2170-2300 | ||
Vswr max | 75-150 MHz | 1.30 | 1.30 | 1.30 | 1.30 |
300-500 MHz | 1.30 | 1.30 | 1.30 | 1.30 | |
800-960 MHz | 1.30 | 1.30 | 1.30 | 1.30 | |
1700-2025 MHz | 1.40 | 1.30 | 1.30 | 1.30 | |
2110-2170 MHz | 1.40 | 1.30 | 1.30 | 1.30 | |
2300-2400 MHz | 1.40 | 1.30 | 1.30 | 1.30 | |
2500-2700 MHz | 1.40 | 1.30 | 1.30 | 1.30 | |
Radiws plygu sengl (mm) | 75 | 150 | 200 | 400 | |
Radiws plygu dro ar ôl tro (mm) | 150 | 250 | 400 | 500 | |
Trorym plygu (n • m) | 13.5 | 14.9 | 15.5 | 16.0 | |
Cryfder tynnol (n) | 1000 | 1490 | 1550 | 3300 | |
Pellter sefydlog a argymhellir (m) | 0.8-1 | 0.8-1 | 0.8-1 | 0.8-1 | |
Pellter i wal min (mm) | 50 | 50 | 50 | 50 | |
Tymheredd Gosod (℃) | PE | -40 ~+60 | -40 ~+60 | -40 ~+60 | -40 ~+60 |
Lszh | -20 ~+60 | -20 ~+60 | -20 ~+60 | -20 ~+60 | |
Tymheredd Gweithredol (℃) | PE | -55 ~+85 | -55 ~+85 | -55 ~+85 | -55 ~+85 |
Lszh | -30 ~+80 | -30 ~+80 | -30 ~+80 | -30 ~+80 |
Gwanhad(dB/100m) A Nghyplyddion Colled(2m, 50%/95%) @ 20 ℃ | ||||
Amledd , MHz | DB DB | DB DB | DB DB | DB DB |
75 | / / | 1.1 64/75 | 0.7 62/73 | 0.6 62/73 |
100 | / / | 1.2 60/70 | 0.8 58/68 | 0.7 58/68 |
150 | / / | 1.5 66/78 | 1.0 64/74 | 0.9 64/74 |
350 | / / | 2.4 76/88 | 1.6 76/88 | 1.3 76/90 |
450 | / / | 2.8 82/89 | 1.9 80/90 | 1.5 78/88 |
800 | 7.2 69/73 | 3.8 71/74 | 2.6 71/74 | 2.1 70/73 |
900 | 7.7 68/72 | 4.1 69/72 | 2.8 69/72 | 2.3 69/72 |
960 | 8.3 68/71 | 4.3 69/71 | 2.9 68/71 | 2.4 68/71 |
1800 | 11.5 65/68 | 6.5 64/68 | 4.5 64/68 | 3.6 64/68 |
1900 | 12.3 66/68 | 6.9 64/68 | 4.7 64/68 | 3.9 63/68 |
2000 | 12.8 67/70 | 7.2 63/67 | 5.0 63/67 | 4.1 63/67 |
2100 | / / | 7.5 63/68 | 5.2 63/68 | 4.3 63/68 |
2400 | 15.5 63/66 | 8.5 62/66 | 6.2 62/66 | 5.0 62/66 |
2600 | 16.1 64/67 | 8.9 61/65 | 7.0 61/65 | 5.6 61/65 |
2620 | 17.2 65/68 | 9.4 62/66 | 7.2 61/65 | 5.8 61/65 |
2700 | 18.0 65/69 | 10.5 62/66 | 7.6 62/66 | 6.3 60/66 |
1/2 ″ C 7/8 ″ C Ffatri 50 ohm Bwydydd Gollyngedig Cebl Cyfechelog.pdf