Thaum tsim RF fais fab amplifiers, wireless kev sib txuas lus modules, los yog broadband lim, kev xaiv ntawm inductor yuav ncaj qha cuam tshuam cov teeb liab zoo thiab tag nrho cov system kev ua tau zoo.Engineers feem ntau ntsib ib lo lus nug: Lawv puas yuav tsum xaiv ib tug huab cua - tub ntxhais inductor rau siab dua Q yam thiab zoo linearity, los yog ib tug sib nqus - core inductor rau siab inductance nyob rau hauv ib tug txwv qhov chaw?siab Q, muaj peev xwm tam sim no,compact loj, thiabzoo sib xwstib lub sijhawm?SMD cua -core RF inductors muab kev daws teeb meem zoo. Hauv qab no yog plaub qhov kev sib tw tsim qauv thiab cov kev daws teeb meem pom zoo.
Kev Sib Tw 1: Vim li cas Sib Nqus -Core Inductors Struggle hauv High-Power RF Daim Ntawv Thov?
Yam xwm txheej:Sib nqus -core inductor ua tau zoo thaum lub sij hawm qis - zog ntsuas. Txawm li cas los xij, thaum lub zog RF nce, cov teeb liab spurious tshwm sim thiab kev ua haujlwm tau zoo poob.
Keeb kwm:Siab - zaus, siab - kev ua haujlwm tam sim no tuaj yeem tsav cov tub ntxhais sib nqus mus rau hauv qhov saturation.
Thaum saturation tshwm sim:
- Inductance txo qis heev
- Q factor deteriorates
- Teeb liab distortion nce
- Lub zog poob thiab kev tsim hluav taws xob nce
Qhov zoo ntawm Cua -Core Inductors
Cua -core inductors tsis muaj cov tub ntxhais sib nqus.Vim li no:
- Tsis muaj core saturation
- Tsis muaj core poob
- Stable inductance nyob rau hauv siab tam sim no
- Txo cov teeb liab distortion
Cov khoom pom zoo
- SMAR1812 (3.3 nH txog 150 nH, Q yam siab tshaj 100)
- SMAR05 Series (27 nH txog 500 nH, Q yam txog 230)
Kev Sib Tw 2: Q Factor tseem ceeb npaum li cas?
Yam xwm txheej:Ntau tus engineers paub tias qhov Q ntau dua yog qhov xav tau, tab sis yuav tsis nkag siab tag nrho nws qhov cuam tshuam rau kev ua haujlwm hauv Circuit Court.
Vim Li Cas Nws Tseem Ceeb:
Q ntau dua txhais tau tias qis dua qhov sib npaug series tsis kam (ESR).Cov txiaj ntsig muaj xws li:
- Tsawg zog poob
- Zoo dua zaus xaiv
- Txhim kho teeb liab zoo
- Txo suab nrov
Cov khoom pom zoo
- SMAR0570 (90 nH txog 300 nH, tam sim no mus txog 5.7 A, Q yam 140-230)
- SMAR3848 (22 nH txog 120 nH, Q yam nyob ib ncig ntawm 100)
Challenge 3: Puas yog qhov txawv ntawm 1 nH tiag tiag?
Vim Li Cas Nws Tseem Ceeb:In high-frequency circuits, even a small inductance variation can significantly affect performance.For example:
- A 1 nH sib txawv tuaj yeem hloov VCO zaus los ntawm ntau MHz.
- Lub lim nqa nqaim tuaj yeem ua rau detuned.
Qhov zoo ntawm Cua -Core Inductors
SHINHOM cua- cov tub ntxhais inductors muaj nrog ± 2% kev xaiv kam rau ua.Cov txiaj ntsig muaj xws li:
- Qhov tseeb zoo dua
- Txhim kho ntau ntau- rau- ntau qhov sib xws
- Ntau ruaj khov RF kev ua tau zoo
Cov khoom pom zoo
Txhua SMAR Series inductors txhawb ± 2% kam rau ua kev xaiv. High- cov qauv kev txiav txim siab raug pom zoo rau zaus- cov kab hluav taws xob nkag siab.
Kev Sib Tw 4: Koj tuaj yeem txuag PCB qhov chaw yam tsis muaj kev cuam tshuam RF kev ua tau zoo?
Yam xwm txheej:Portable thiab compact electronic devices feem ntau muaj qhov txwv PCB heev.
Vim Li Cas Qhov Tseem Ceeb
- Txuag lub rooj tsavxwm
- Txo cov teeb liab txoj kev
- Txo qhov tsis xav tau cov kab mob parasitic
- Txhim kho tag nrho cov txheej txheem Circuit Court
Cov khoom pom zoo
SIB 1814
- Loj: 1.35 × 1.83 mm
- Cov pob me tshaj plaws muaj
- Zoo tagnrho rau compact portable li
SIB 0540
- Loj: 2.67 × 2.67 mm
- Ntsuas qhov loj me thiab kev ua haujlwm zoo
SMAR1210 / SMAR1812
- Txheem pob qhov ntau thiab tsawg
- Haum rau cov qauv PCB dav dav
Kev Taw Qhia Kev Xaiv Ceev
Series | Hom Q Factor | Max tam sim no | Pob Loj | Pom zoo daim ntawv thov | |
|---|---|---|---|---|---|
SIB 1814 | 5.5–22 nH | 50–100 | 1.6 A | 1.35 × 1.83 hli | Ultra- cov khoom siv nqa tau yooj yim, cov khoom siv Bluetooth |
SIB 1812 | 3.3–150 nH | >100 | 1.6–3.5 A | 4.9 × 3.5 hli | General RF txuam, broadband lim |
SMAR05 Series (0540, 0550, thiab lwm yam) | 27-500 Nws | 120–230 | 4.0–5.7 A | Pib los ntawm 2.67 × 2.67 mm | High-kev ua tau zoo PA txuam, VCOs, siab -Q daim ntawv thov |
SIB 0570/0580 | 90-500 hli | 140–230 | 5.7 A | Pib los ntawm 5.21 × 5.46 mm | Siab -tam sim no, siab - zog RF daim ntawv thov |
SIB 3848 | 22-120 nH | Nyob ib ncig ntawm 100 | 3.0–3.5 A | 3.81 × 4.20 hli | Ntsuas kev ua tau zoo thiab qhov loj me |
SIB 6310 | 90–538 HH | 87–95 | 2.0–3.5 A | 6.35 × 5.90 hli | Cov ntawv thov yuav tsum muaj qhov ntsuas inductance siab dua |
Cov Lus Qhia Xaiv
Kauj Ruam 1: Txiav txim siab qhov xav tau inductance
Xam tus nqi inductance xav tau raws li kev khiav hauj lwm zaus thiab kev sib txuam lossis resonance xav tau.
Kauj Ruam 2: Ntsuas Q Factor thiab qhov ntsuas tam sim no
Kauj Ruam 3: Xav txog qhov loj me thiab kam rau ua
📧 :sales@shinhom.com
🌐 :www.shinhom.com