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CWDM nhanhatu-wave inosanganisa / demultiplexer

CWDM nhanhatu-wave inosanganisa / demultiplexer

Kudiwa kwevatengi:

In order to meet the rapid growth of data traffic, operators need to continuously increase the number of base stations. In order to avoid the shortcomings brought about by the traditional way of station construction, operators gradually adopt the method of centrally placing multiple BBU/DUs. Through the use of matching passive optical modules on BBU/DU and RRU/AAU, it provides service signals of different wavelengths.

Customer requirements:

Refer to the table below for the general technical indicators of the optical interface of the passive coarse wavelength division multiplexer.

 Parameter chikwata indekisi
 Nhamba yezviteshi 6 12 18
 Center wavelength nm 1271-1371 1271-1371 / 1471-1571 1271-1611
 Center wavelength deviation nm ≤1.5
 1dB passband width nm ≥13
 Passband flatness dB ≤0.5
 Yakapfuura chiteshi kusarudzika dB ≥25
 Non-adjacent channel isolation dB ≥30
 Wavelength thermal stability nm/℃ ≤0.002
 Insertion loss thermal stability dB/℃ ≤0.007
 Polarization dependent loss dB ≤0.15
 Dzorera kurasikirwa dB ≥40
 uchishandisa tembiricha ℃ -10 ~ + 70
 Storage tembiricha ℃ -40 ~ + 85
 Optical channel(nm) 6 waves (dB)
 Central office kure In pairs
 1271 1.3 1.7 3.0
 1291 1.5 1.5 3.0
 1311  1.7 1.3 3.0
 1331 1.1 1.1 2.2
 1351 0.7 0.9 1.6
 1371 0.9 0.7 1.6

Solution:

Achievement indicators:

 Parameter chikwata Bvunzo Dhata
 Working wavelength range nm 1260 ~ 1620
 Nhamba yezviteshi 6
 Chiteshi nzvimbo nm 20
 Center wavelength nm 1271/1291/1311/1331/1351/1371
 Center wavelength deviation nm ≤1.5
 Insertion kurasikirwa COM 1271nm dB 0.80
 1291nm dB 0.74
 1311nm dB 0.99
 1331nm dB 0.75
 1351nm dB 0.43
 1371nm dB 0.81
 Isolation Yakapfuura chiteshi kusarudzika dB ≥25
 Non-adjacent channel isolation dB ≥30
 Polarization dependent loss dB ≤0.15
 Channel flatness dB ≤0.5
 Dzorera kurasikirwa dB ≥40
 Wavelength thermal stability nm/℃ ≤0.002
 Insertion loss thermal stability dB/℃ ≤0.007
 uchishandisa tembiricha ℃ -10 ~ + 70
 Storage tembiricha ℃ -40 ~ + 85
 Package size mm 130 × 100 × 25
 Fiber mhando / G657A1
 Connector type / LC / UPC