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75 yoms stenut 75ω go'an 75 ohms go'an
75 ohms streenada waa nooc ka mid ah qalabka wax lagu dhejiyo oo loo magacaabay carqaladdeeda 75 ohms.
Waa qayb ka mid ah qaybo ka mid ah in lagu habeeyo awoodda sectal ee wareegga, a 75ω dhejintu waxay ka hortageysaa cod-weyne xad dhaaf ah iyo dhalanrog ah ee calaamadaha, iyo ka hortaga guul-darrooyinka ay sababaan xad-dhaaf.
75ω Qalabka galka go'an ee astaamaha guud waxaa ka mid ah:
1. Isku habboonaanta: 75-ka ohms-ka la jaan qaadayo ee la dejiyey wuxuu la mid yahay astaamaha carqaladeynta khadka tooska ee qalabka fiidiyowga ee qalabka fiidiyowga iyo nidaamka telefishanka telefishanka, sidaas darteedna yareynta milicsiga iyo luminta seenyaalaha gudbinta.
2. Dhalanrog hooseeya
3. Isku-darka sare: Sababta oo ah in wax dhejistu ay yihiin inta badan qaybo ka mid ah oo aan lahayn qaybo dhaqaaqa, waa kuwo aad loo isku halleyn karo oo uma baahna dayactir ama beddelaad.
75 Laabtos omms waxaa badanaa loo isticmaalaa codsiyada soo socda:
1. Shabakadaha telefishanka fiilada iyo shabakadaha telefishanka dhijitaalka ah, waxaa loo isticmaalaa in lagu xakameeyo xoogga seenyaalaha iyo yareynta milicsiga iyo luminta.
2. Intii lagu gudajiray wax soo saarka iyo isu-gudbinta qaraarnimada sare iyo fiidiyowyada-qeexan, xakamee xoogga calaamadda iyo joogtaynta tayada beddelka.
3.
4. Antennas telefishanka, oo loo adeegsaday in lagu dheelitiro awoodda seenyaalaha ee udhaxeeya cod-bixinta iyo anteenooyinka.
-IdaveSahayda sahayda oo kala duwan oo awood sare leh oo awood sare leh Xaqiijinta ayaa inta badan u dhexeysa 1 ilaa 40DB. Astnoedurs oo leh awood sare iyo awood sare, tayo sare oo la isku halleyn karo, alaabooyinka badankood waa la waafajiyaa, waxay buuxin karaan baahiyaha kala duwan ee macaamiisha.
Lambarka QAYBTA | Soo marmar dhacdo(GHZ, MIN.)  | Soo marmar dhacdo(GHz, Max.) | Awood(W) | Yareyn(DB) | Khalad la'aan(DB) | Vsrr(Max.) | Xiriiriyeyaal | Waqtiga hogaaminta(toddobaadyo) |
|---|---|---|---|---|---|---|---|---|
| Q70101 | DC | 1 | 1 | 1, 2, 4, 8, 10, 16, 20 | 0.5 | 1.1 | F | 2 ~ 4 |
| Q70302 | DC | 3 | 2 | 1 ~ 30 | ± 0.6 | 1.25 | F, n, bnc | 2 ~ 4 |
| Q70305 | DC | 3 | 5 | 1 ~ 30 | ± 0.6 | 1.25 | F, n, bnc | 2 ~ 4 |
| Q70101-1 | 0.1 | 1 | 1 | 10, 20, 30, 40 | -2 | 1.15 | F, n | 2 ~ 4 |
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