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75 ohms Attenuators 75Ω Waa la hagaajiyay 75 ohms Waa la hagaajiyay
Attenuator-ka 75 ohms waa nooc ka mid ah attenuator-ka loogu magac daray impedance-kiisa 75 ohms.
Waa qayb aan firfircoonayn oo loo isticmaalo in lagu habeeyo xoogga calaamadda ee wareegga, A attenuator 75Ω wuxuu ka hortagaa kor u qaadista xad dhaafka ah iyo qalloocinta calaamadda, wuxuuna ka hortagaa cillad ka dhalata culayska calaamadda.
Astaamaha ugu muhiimsan ee daahyada go'an ee 75Ω waxaa ka mid ah:
1. Iswaafajinta Impedance: Impedance-ka go'an ee 75 Ohms wuxuu la mid yahay Impedance-ka astaamaha ee khadka gudbinta calaamadaha ee qalabka fiidiyowga, baahinta telefishanka iyo nidaamka telefishanka fiilada, sidaas darteed wuxuu yareynayaa milicsiga iyo lumitaanka calaamadda gudbinta.
2. Qalloocin hoose: Qalabku wuxuu yareyn karaa xoogga calaamadda isagoon soo bandhigin qaloocin dheeraad ah ama faragelin calaamadeed.
3. Kalsooni sare: Sababtoo ah in qalabka wax lagu dhejiyo ay yihiin qaybo aan firfircoonayn oo aan lahayn qaybo dhaqaaqa, aad bay isugu kalsoon yihiin oo uma baahna dayactir ama beddel.
Attenuators-ka 75 ohms ayaa badanaa loo isticmaalaa codsiyada soo socda:
1. Shabakadaha telefishanka fiilooyinka iyo shabakadaha telefishanka dijitaalka ah, waxaa loo isticmaalaa in lagu xakameeyo xoogga calaamadda iyo in la yareeyo milicsiga iyo luminta calaamadda.
2. Inta lagu jiro soo saarista iyo gudbinta fiidiyowyada xallinta sare iyo kuwa qeexitaanka sare leh, xakamee xoogga calaamadda oo ilaali tayada beddelka.
3. Nidaamyada gudbinta calaamadaha baahinta iyo telefishanka, qalabka hagaajiya xoogga calaamadaha si uu ula jaanqaado habaynta calaamadaha gaarka ah ee la qaybiyey iyo ballaarinta baaxadda calaamadaha.
4. Anteenooyinka telefishanka, oo loo isticmaalo in lagu dheellitiro awoodda calaamadda ee u dhaxaysa cod-weyneeyayaasha iyo anteenooyinka.
QualwaveWaxay bixisaa noocyo kala duwan oo saxnaan sare iyo awood sare leh oo ah 75 ohms coaxial waxay daboolaan inta jeer ee DC ~ 3GHz, waxaa lagu waafajin karaa isku xirayaasha nooca BNC, F-type, iyo N. Hoos u dhigiddu waxay inta badan u dhaxaysaa 1 ilaa 40dB. Qalab-dejiyeyaasha oo leh saxnaan sare iyo awood sare, tayo la isku halleyn karo, inta badan alaabtu waa kuwo u hoggaansan ROHS, waxay dabooli karaan baahiyaha kala duwan ee macaamiisha.
Lambarka Qaybta | Soo noqnoqoshada(GHz, ugu yaraan)  | Soo noqnoqoshada(GHz, ugu badnaan.) | Awood(W) | Hoos u dhac(dB) | Saxnaanta(dB) | VSWR(Ugu badnaan) | Xidhiidhiyayaasha | Waqtiga Hogaaminta(toddobaadyo) |
|---|---|---|---|---|---|---|---|---|
| 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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