Astaamaha:
- VSWR hoose
Waveguides-ka RF waa aaladaha u kala gudbiya tamarta meel ilaa meel kale. Halkii ay tamarta si toos ah u gelin lahayd meel bannaan oo dhan sida anteenada, mawjadaha mikrowave ayaa tamarta ku xaddidi kara birta bannaan, taas oo aad u yaraynaysa khasaaraha inta lagu jiro gudbinta tamarta. Mawjada milimitirka waxaa loo fahmi karaa inay tahay anteeno jihayn gaar ah oo xooggan, tamartana waxaa lagu faafin karaa oo keliya mawjadaha, oo laguma faafin karo meel kale.
Kala-guurka Waveguide waa mid ka mid ah waveguide, oo si weyn loogu isticmaalo meelo kala duwan, oo ay ku jiraan laakiin aan ku xaddidnayn isgaarsiinta microwave, nidaamyada radar, satalaytka isgaarsiinta iyo qalabka isku xirka raadiyaha microwave. Waxaa jira noocyo badan oo kala-guurka waveguide, oo badanaa leh waxqabad sare, mawjada taagan ee caadiga ah VSWR≤1.2 gudaha xajmiga waveguide buuxa, qalabka aasaasiga ah oo ay ku jiraan naxaas, aluminium, hababka daaweynta dusha sare ee dahaarka qalinka, dahaarka dahabka, dhejinta nikkel, passivation, oxidation conductive, iwm.
Tilmaamaha caadiga ah ee mawjadaha kala-guurka ayaa ah in labada dekedood ay isticmaalaan noocyo kala duwan oo mawjadaha si loogu beddelo noocyada kala duwan ee waveguide. Tusaale ahaan:
1. Waveguide in converters microstrip: Waveguide in converters microstrip waxaa si ballaaran loo isticmaalaa in la ogaado ee wareegyada isku dhafan ee millimeter monolithic iyo wareegyada hybrid, iyo sidoo kale in xidhiidhka waveguide in wareegyada planar si loo hubiyo in si fiican u dhigma kala guurka u dhexeeya labada khadadka gudbinta.
2. U gudubka mawjadaha labajibaaran ee labajibbaaran ee mawjadaha leyliga ah: Mawjadaha kala-guurka ee saxda ah ee mishiinadu waxay ku xidhi karaan mawjadaha labajibbaaran ee mawjadaha leydilaha ah, iyagoo bixinaya khasaare gelinta hoose iyo isbarbardhigga sare. Mawjadaha kala-guurka ee noocan oo kale ah waxay ku habboon yihiin rakibidda shaybaarka iyo cabbiraadda isku-xidhka iyo qalabka mawjadaha leydi-geeska ah
3. Waveguide leydi ah: Wareegga leydigu wuxuu si isku mid ah u beddelayaa qaabka TE10 ee mawjada leydi-geeska ah ee caadiga ah ee qaabka TE11 ee wareegga wareegga. Beddelkaani waxa uu muhiim u yahay in si hufan loogu gudbiyo calaamadaha laga soo bilaabo mawjadaha leyliga caadiga ah ilaa mawjada wareegta ah, gaar ahaan codsiyada halka qaabkan gaarka ah loo baahan yahay.
Qualwavesahayda wareejinta waveguide waxay dabooshaa xadka soo noqnoqda ilaa 220GHz, iyo sidoo kale wareejinta mawjadaha la habeeyey iyadoo loo eegayo shuruudaha macaamiisha.
Lambarka Qaybta | Inta jeer ee RF(GHz, Min.) | Inta jeer ee RF(GHz, Max.) | Gelida Khasaare(dB, Max.) | VSWR(Max.) | Cabbirka Waveguide | Flange | Waqtiga Hogaaminta(Todobaadyo) |
---|---|---|---|---|---|---|---|
QWTR-7-5 | 145 | 220 | - | 1.2 | WR-7 (BJ1400), WR-5 (BJ1800) | FUGP1400, FUGP1800 | 2 ~ 4 |
QWTR-10-6 | 113 | 173 | 0.8 | 1.2 | WR-10 (BJ900), WR-6 | FUGP900, FUGP1400 | 2 ~ 4 |
QWTR-12-10 | - | - | 0.15 | 1.1 | WR-12 (BJ740), WR-10 (BJ900) | UG387/U, UG387/UM | 2 ~ 4 |
QWTR-19-15 | 50 | 75 | 0.12 | 1.15 | WR-19 (BJ500), WR-15 (BJ620) | UG-383/UM, UG-385/U | 2 ~ 4 |
QWTR-51-42 | 17.6 | 22 | 0.1 | 1.15 | WR-51 (BJ180), WR-42 (BJ220) | FBP180, FBP220 | 2 ~ 4 |
QWTR-D650-90 | 8.2 | 12.5 | - | 1.2 | WRD-650, WR-90 (BJ100) | FPWRD650, FBP100 | 2 ~ 4 |