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Attenuators-ka PIM ee hooseeya waa RF iyo microwave signals dedejiyeyaal si gaar ah loogu talagalay in lagu yareeyo saameynta intermodulation-ka aan firfircoonayn (PIM). Saamaynta PIM waxay tilmaamaysaa qaybaha soo noqnoqda ee dheeraadka ah ee ay keento saamaynta aan tooska ahayn ee qaybaha aan firfircoonayn. Qaybahani waxay faragelin doonaan calaamadda asalka ah waxayna yareyn doonaan waxqabadka nidaamka.
1. Yareynta Calaamadaha: Yareynta PIM-yada waxaa loo isticmaalaa in si sax ah loo yareeyo xoogga calaamadaha RF iyo microwave-ka si loo ilaaliyo qalabka xasaasiga ah ee qaata iyo heerarka calaamadaha xakamaynta.
2. Yaree Saamaynta Dhex-dhexaadinta Dadban (PIM): Qalabka yareeya PIM wuxuu yareeyaa saameynta PIM isagoo adeegsanaya agab tayo sare leh iyo habab wax soo saar oo sax ah si loo yareeyo saameynta aan tooska ahayn ee qaybaha dadban.
3. Isku-dheellitirka Impedance: Qalabka PIM RF ee hooseeya ayaa loo isticmaali karaa in lagu waafajiyo is-hortaagga nidaamka, taasoo yaraynaysa milicsiga iyo hirarka taagan iyo hagaajinta waxqabadka nidaamka.
1. Saldhigga Saldhigga Isgaarsiinta Gacanta: Saldhigyada saldhigga isgaarsiinta gacanta, makiroweyfyada yar yar ee PIM ayaa loo isticmaalaa in lagu yareeyo saameynta PIM, taasoo hagaajinaysa hufnaanta calaamadaha iyo isku hallaynta isku xirka isgaarsiinta. Tani waxay si gaar ah muhiim ugu tahay shabakadaha 4G iyo 5G.
2. Nidaamka Anteenada: Nidaamka anteenada, waxaa loo isticmaalaa damiye mawjad PIM milimitir oo hooseeya si loo yareeyo saameynta PIM loona hagaajiyo waxqabadka iyo tayada calaamadda ee anteenada. Tani waxay gacan ka geysaneysaa hagaajinta heerka daboolida iyo gudbinta xogta ee nidaamyada isgaarsiinta.
3. Nidaamka Anteenada Qaybsan (DAS): Nidaamyada anteenada qaybsan, aaladaha mawjadaha PIM mm ee hooseeya ayaa loo isticmaalaa in lagu yareeyo saameynta PIM, taasoo hagaajinaysa waxqabadka nidaamka iyo isku halaynta. Tani aad bay muhiim ugu tahay xalalka daboolida wireless-ka gudaha iyo dibadda.
4. Tijaabada Microwave-ka iyo RF: Nidaamyada tijaabada microwave-ka iyo RF, aaladaha PIM RF ee hooseeya ayaa loo isticmaalaa in si sax ah loo xakameeyo xoogga calaamadda iyo in la yareeyo saameynta PIM ee tijaabada iyo cabbiraadda saxda ah ee sare.
5. Raadiyaha iyo TV-ga: Nidaamyada raadiyaha iyo TV-ga, aaladaha PIM ee hooseeya ayaa loo isticmaalaa in lagu yareeyo saameynta PIM iyo in lagu hagaajiyo tayada calaamadaha iyo daboolida. Tani waxay gacan ka geysaneysaa bixinta calaamado maqal iyo muuqaal ah oo cad.
6. Isgaarsiinta Dayax-gacmeedka: Nidaamyada isgaarsiinta dayax-gacmeedka, aaladaha PIM ee hooseeya ayaa loo isticmaalaa in lagu yareeyo saameynta PIM loona hagaajiyo isku halaynta iyo tayada calaamadaha isku xirka isgaarsiinta. Tani waxay si gaar ah muhiim ugu tahay isgaarsiinta dayax-gacmeedka ee soo noqnoqda badan.
Marka la soo koobo, daah-furayaasha dhexdhexaadinta ee aan firfircooneyn ee hooseeya (Dhibcaha PIM ee hooseeya) ayaa si weyn loogu isticmaalaa dhinacyo badan sida isgaarsiinta gacanta, nidaamyada anteenada, nidaamyada anteenada ee la qaybiyey, tijaabinta microwave iyo RF, raadiyaha iyo telefishanka, iyo isgaarsiinta dayax-gacmeedka. Waxay hagaajiyaan waxqabadka nidaamka iyo isku halaynta iyagoo yareynaya saameynta PIM iyo si sax ah u xakameynaya xoogga calaamadda.
QualwaveWaxay bixisaa noocyo kala duwan oo saxnaan sare iyo koronto-wadaag awood sare leh. Qalabka PIM-ka ee hooseeya wuxuu daboolaa inta jeer ee DC ~ 11GHz. Celcelis ahaan maaraynta awoodda waa ilaa 300 watts. Qalabka waxaa loo isticmaalaa codsiyo badan oo loo baahan yahay in la dhimo awoodda.

Lambarka Qaybta | Soo noqnoqoshada(GHz, ugu yaraan) | Soo noqnoqoshada(GHz, ugu badnaan.) | Awood(W) | IM3(dBc, ugu badnaan.) | Hoos u dhac(dB) | Saxnaanta(±dB) | VSWR(ugu badnaan.) | Xidhiidhiyayaasha | Waqtiga Hogaaminta(toddobaadyo) |
|---|---|---|---|---|---|---|---|---|---|
| QLPA1102 | DC | 11 | 2 | -100 | 1~30 | 1 | 1.25 | SMA&N | 2~4 |
| QLPA1110 | DC | 11 | 10 | -100 | 1~30 | 1 | 1.25 | SMA&N | 2~4 |
| QLPA0850 | DC | 8 | 50 | -100 | 30 | 1.2 | 1.3 | N | 2~4 |
| QLPA06K1 | 0.6 | 6 | 100 | -160 | 3, 6, 10, 15, 20, 30 | 1.8 | 1.4 | 4.3-10 | 2~4 |
| QLPA06K2 | 0.4 | 6 | 200 | -160 | 6, 10, 20, 40 | - | 1.3 | 7/16 DIN (L29)&N | 2~4 |
| QLPA0620 | DC | 6 | 20 | -90 | 1~60 | 1.2 | 1.3 | N, 4.3-10 | 2~4 |
| QLPA0550 | DC | 5 | 50 | -100 | 30 | 1 | 1.25 | N | 2~4 |
| QLPA04K2 | 0.45 | 4 | 200 | -150 | 30, 40 | - | 1.3 | 7/16 DIN (L29)&N | 2~4 |
| QLPA03K3 | 0.8 | 3 | 300 | -150 | 10, 20, 30, 40 | - | 1.3 | N | 2~4 |
| QLPA0330 | 0.6 | 3 | 30 | -150, -160 | 5, 10, 15, 20, 25, 30 | - | 1.25 | N,7/16 DIN (L29),4.3-10 | 2~4 |
| QLPA0350-1 | 0.6 | 3 | 50 | -150, -160 | 5, 10, 15, 20, 25, 30 | - | 1.25 | N,7/16 DIN (L29),4.3-10 | 2~4 |
| QLPA03K1-1 | 0.6 | 3 | 100 | -150, -160 | 5, 10, 15, 20, 25, 30 | - | 1.25 | N,7/16 DIN (L29),4.3-10 | 2~4 |
| QLPA0302 | DC | 3 | 2 | -120 | 3, 6, 10, 20, 30 | 0.6 | 1.2 | N | 2~4 |
| QLPA0305 | DC | 3 | 5 | -120 | 3, 6, 10, 20, 30 | 0.6 | 1.2 | N | 2~4 |
| QLPA0310 | DC | 3 | 10 | -120 | 3, 6, 10, 20, 30 | 0.6 | 1.2 | N | 2~4 |
| QLPA0325 | DC | 3 | 25 | -120 | 3, 6, 10, 20, 30 | 0.6 | 1.2 | N | 2~4 |
| QLPA0350 | DC | 3 | 50 | -120 | 10, 20, 30, 40 | 0.6 | 1.3 | N | 2~4 |
| QLPA03K1 | DC | 3 | 100 | -120 | 20, 30, 40 | 0.6 | 1.3 | N | 2~4 |
| QLPA01K15 | DC | 1 | 150 | -110 | 10 | 0.8 | 1.2 | N | 2~4 |