Joalo ka Ponahalo e Tloaelehileng ea Teko ea Tsela, Sekena sa Dijithale Ka 'nete se Bonahatsa Tikoloho e Se nang Waele ea Sebaka sa Teko.E sebelisoa ho CW (Continuous Wave) Testing Testing, Network Optimization Road Testing, le Network Optimization Work For Room Distribution Systems.
Ha re shebeng Liparamente tse Tloaelehileng le Melao-motheo ea Nako le Karohano ea Sekena sa Dijithale ho Ts'osa Patlisiso.
Mekhahlelo ea Bohlokoa ea Sekena sa Dijithale se Kenyelletsa Litlhophiso tsa Ka hare tsa Attenuator, RBW (Resolution Bandwidth), Litlhophiso tsa Boholo ba Band ea Frequency, jj.
Molao-motheo oa Setting ea ka hare ea RF Attenuator ke:
1
(2) Ha ho Hlokahala ho Lemoha Lipontšo tse Matla, Bohlokoa ba Tlhokomelo bo Lokela ho Behoa Phahameng ka ho Fetisisa kamoo ho ka khonehang, ho seng joalo e tla baka ho khopama ho se nang moeli Potolohong ea Scanner, ho Bontša Lipontšo tsa Bohata, Esita le Ho Senya Ponahalo;
Melao-motheo ea ho beha RBW ke:
1Empa Haeba Boleng ba RBW bo le tlase haholo, nako ea ho fiela e tla ba nako e telele haholo 'me matla a teko a tla ameha;
(2) Ha ho nahanoa hore Bandwidth ea RB e le 'Ngoe ea GSM Signal, PHS Signal le TD-LTE E Haufi le 200K, 'Me Kakaretso ea Matla a Teko, Ho khothaletsoa Hore RBW ea Scanner e Behele ho 200KHz.
The Frequency Band Setting Size Molao-motheo ke:
(1) Ka Tšebelisano-'moho ea Sesefa, Beha Sekala sa Frequency Band Scale ho LTE System Bandwidth Scale Ho Fuputsa Maemo a Tšitiso ea In-Band, joalo ka F-Band TDS In-Band Interference, GSM Second Harmonic Interference, le DCS Intermodulation Interference.Ho Eletseha ho Hokela Sesefo se Tšoanang sa Frequency Band Ha U Fiela Maqhubu.Mohlala, Patlisiso ea F-Band Scrambling e Behiloe ho 1880-1900MHz.Ha U Fiela Hangata, Boema-kepe bofe kapa bofe ba Antenna bo ka Khaotsoa ho RRU, ba Hokela Sefe, 'me ba Hokela Boema-kepe ba Phatlalatso ea Sesefa le Frequency Scanner;
(2) Fiela Maqhubu a Maqhubu a ka Holimo le a Tlase a Lebelo la Maqhubu a Tebeletsoeng ho Fuputsa Hore na ho na le Mesebetsi e Fapaneng ea Lipontšo Tsa Sisteme Lihlopheng Tse Fapaneng.Ka mohlala, ha u Batlisisa Tšitiso ea F-Band, U ka Seta Sekala sa Sweep Frequency Band 1805MHz-1920MHz, 'me U Fuputsa 1805-1920MHz ka thoko.Ho ea ka Letšoao le Matla a 1830MHz, 1830-1850MHz, 1850-1880MHz, Le 1900-1920MHz Frequency Bands, Fuputsa Matla a Letšoao la DCS Ho ea ka Tšitiso ea Waveform ho Thusa ho Fumana Hore na ho ka ba le Tšitiso e Feletseng ea DCS;
Ho Kopanya Maemo a Tšitiso ea In-Band le Maemo a Tšitiso a Kantle ho Band a Maqhubu a ka Holimo le a Tlase a Bapileng Mehatong e Mebeli e kaholimo, hoa khonahala ho sekaseka boima bo fapaneng ba tšitiso sebakeng sa moferefere moo ho nang le litšitiso tse ngata.
Nako ea poso: Feb-06-2021
