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Nidaamyada Imtixaanka Awoodda Sare ee BroadBand RF 75 ohms Attenuators
Attenuator 75 ohm waa nooc ka mid ah attenuator-ka loogu magac daray xannibaaddiisa 75 ohms.
Waa qayb dadban oo loo isticmaalo in lagu xakameeyo xoogga calaamada wareegga, A 75 ohm attenuator wuxuu ka hortagayaa kordhinta xad-dhaafka ah iyo qalloocinta calaamadda, waxayna ka hortagtaa fashilka ay keento culeyska calaamaduhu.
Tilmaamaha ugu muhiimsan waxaa ka mid ah:
1. Isku-dheellitirnaanta: 75-ka ohm-ka-soo-saarka dabeecadda waxay u dhigantaa cilladda dabeecadda ee xariiqda gudbinta calaamadaha qalabka fiidiyowga, baahinta telefishinka iyo nidaamka telefishinka, sidaas darteed hoos u dhigista milicsiga iyo luminta calaamadda gudbinta.
2. Qallooc hoose: Attenuator-ku wuxuu yarayn karaa xoogga calaamada iyada oo aan soo bandhigin qallooc dheeraad ah ama faragelin calaamad ah.
3. Kalsooni sare: Sababtoo ah xaqiiqda ah in attenuators ay u badan yihiin qaybo aan fiicneyn oo aan lahayn qaybo dhaqaaqa, waa kuwo la isku halleyn karo oo aan u baahnayn dayactir ama beddelaad.
75 ohm attenuators ayaa caadi ahaan loo isticmaalaa codsiyada soo socda:
1. Shabakadaha telefishinka ee cable-ka iyo shabakadaha telefishinka dhijitaalka ah, waxaa loo isticmaalaa in lagu xakameeyo xoogga signalada iyo in la yareeyo calaamadaha calaamadaha iyo luminta.
2. Inta lagu jiro wax soo saarka iyo gudbinta fiidiyooga tayada sare leh iyo tayada sare leh, xakamee xoogga calaamada oo ilaali tayada beddelka.
3. Nidaamyada gudbinta calaamadaha baahinta iyo taleefishinada, qalabka hagaajinaya xoogga calaamada si uu u dhigma hab-samaynta calaamadaha gaarka ah ee la qaybiyey iyo ballaarinta tirada calaamadaha.
4. Anteenooyinka telefishinka, loo isticmaalo in lagu dheellitiro awoodda calaamadda u dhaxaysa amplifiers iyo anteenooyinka.
Qualwavesahayda kala duwan oo sax ah oo kala duwan iyo awood sare coaxial 75 ohms attenuators daboolaya inta jeer ee inta jeer ee DC ~ 3GHz, waxaa la mid ah karaa BNC, F-nooca, iyo xirayaasha nooca N.Attenuation ayaa inta badan u dhaxaysa 1 ilaa 30dB.Attenuators leh sax sare iyo awood sare, tayo la isku halayn karo, badi alaabooyinka waa waafaqsan ROHS, waxay dabooli karaan baahiyaha kala duwan ee macaamiisha.
Lambarka Qaybta | Xaashida xogta | Soo noqnoqda(GHz, Min.)  | Soo noqnoqda(GHz, Max.) | Awood(W) | Attenuation(dB) | Saxnaanta(dB) | VSWR(Max.) | Xidhiidhiyayaasha | Waqtiga Hogaaminta(todobaadyo) |
|---|---|---|---|---|---|---|---|---|---|
| Q7A0101 |  | DC | 1 | 1 | 1, 2, 4, 8, 10, 16, 20 | ±0.5 | 1.1 | F | 2 ~ 4 |
| Q7A0302 | | DC | 3 | 2 | 1 ~ 30 | ±0.6 | 1.25 | F, N, BNC | 2 ~ 4 |
| Q7A0305 | | DC | 3 | 5 | 1 ~ 30 | ±0.6 | 1.25 | F, N, BNC | 2 ~ 4 |
| Q7A0101-1 | | 0.1 | 1 | 1 | 10, 20, 30, 40 | -2 | 1.15 | F, N | 2 ~ 4 |
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