RF resistor thev naus laus zis thiab kev siv tshuaj ntsuam

RF resistors (xov tooj cua ua kom muaj feem cuam tshuam) yog qhov tsim tshwj xeeb rau cov teeb liab kev ua kom pom tseeb, thiab kev faib khoom hauv lub zog hauv kev ua haujlwm siab. Lawv txawv txawv ntawm cov qauv tiv taus cov ntsiab lus ntawm cov kev xaiv high-zaus, thiab cov khoom siv hluav taws xob, radar, ntsuas seev, thiab ntau yam. Kab lus no muab txoj kev tsom xam cov txheej txheem ntawm lawv cov ntsiab lus, cov txheej txheem tsim khoom, cov yam ntxwv tseem ceeb, thiab cov kev siv raug.

I. Cov ntsiab cai
High-zaus cov yam ntxwv thiab parasitic parameter tswj
RF resistors yuav tsum muaj kev ua tau ruaj khov (MHz rau GHAZ), uas xav tau txoj cai tsaj lij ntawm kev ua haujlwm thiab kev tsis sib haum xeeb. Cov neeg tiv thaiv zoo tib yam kev txom nyem los ntawm Lead Inductance thiab interlayer capacitance, uas ua rau kev quab yuam ua rau tsis sib haum ntawm cov haujlwm siab. Cov ntsiab lus tseem suav nrog:

Cov txheej txheem nyias / tuab-zaj duab xis: Precision Resistor qauv yog tsim rau ceramic subment (piv txwv li tantalum nitride, nicr alloy) ntawm photolithography los txo cov teebmeem parasitic.

Tsis yog inductive qauv: kauv lossis nab teeb lossis cov nab teeb sib thaus los ntawm txoj kev sib nqus los ntawm txoj kev tam sim no, txo qis qis qis li 0.1nh.

Impedance sib xws thiab lub hwj chim dissipation

Broadband txuam: RF Desistors Tswj cov impedance ruaj khov (piv txwv li, 75ω) thoob plaws bandwidths (piv txwv li kev xav paub coefficients (vswr) feem ntau <1.5.

Fais fab tuav hluav taws xob: High-zog RF kev siv thermally qhuab qhia substrates (xws li cov cua sov al₂o₃) nrog cov hluav taws xob cua sov ntev txog pua pua qhov chaw (piv txwv li, 100W @ 1GHz).

Cov khoom siv xaiv

Cov ntaub ntawv tsis zoo: cov khoom lag luam qis (piv txwv, ziab tshiab (piv txwv, NICR) kom cov coefficients tsawg (<50) thiab siab ruaj khov.

Substrate Cov Khoom Siv: High-Thermal-Conductivity Ceramics (Al₂o₃, Aln) lossis PTFE substrates thiab txhim kho cua sov dissipation.

Ii. Cov txheej txheem raug
RF resistor processional professional ntau qhov kev ua tau zoo thiab kev ntseeg tau. Cov txheej txheem tseem ceeb muaj xws li:

Nyias / Tuab-Zaj Duab xis tso nyiaj

Sputtering: Nano-nplai cov yeeb yaj kiab uas tsis muaj zog yog muab tso rau hauv cov chaw siab nqus, ua tiav ± 0.5% kev zam.

Laser Trimming: laser kev kho calibrates tsis kam nqi rau ± 0.1% precision.

Ntim thev naus laus zis

Nto-Mount (SMT): miniaturized pob (piv txwv li, 0402, 0603) khaub ncaws 5g smartphones thiab iOt modules.

Cov Ntim Ntim: Cov tsev nyob hlau nrog SMA / BNC INTERACES tau siv rau cov kev siv hluav taws xob siab (piv txwv li, radar transmitters).

Kev sim siab ntau zaus thiab ntsuas hluav taws xob

Vector network analyzer (vna): siv tau cov (s111), kev sib txuam thiab kev poob.

Thermal simulation & Cov Kev Ntsuas Laus: Simiulate kub nce nyob rau hauv lub zog siab thiab ntev ntev kev sim).

III. Cov yam ntxwv
RF resistors Excel nyob rau hauv cov chaw hauv qab no:

Kev ua tau zoo tshaj plaws

Tsawg parasitics: parasitic inductance <0.5nh, capacitance <0.1pf, kom ntseeg tau ruaj khov rau GHZ li.

Cov lus teb broadband: txhawb DC ~ 110GHHz (piv txwv li, Mmwave Bands) rau 5g NRG thiab SATELLITIB sib txuas lus.

Muaj Zog thiab Thermal Kev Tswj Xyuas

Lub Zog Hluav Taws Xob: Txog 10W / Hli (piv txwv li, aln substrates), nrog cov mem tes hloov kev ua siab ntev (piv txwv li 1kW @ 1μs).

Thermal tsim: sib xyaw ua cua sov so los yog kua txias raws cov kab ntawv rau cov chaw nres tsheb pib thiab theem-array radars.

Ib puag ncig ruaj khov

Qhov sov ruaj khov: kev khiav haujlwm los ntawm -55 ℃ rau + 200 ℃, ntsib Aerospace kev tseev kom muaj.

Kev co ua hauj & sealge ua hauj & sealing: mil-std-810g-ntawv lees paub tub rog ntim nrog IP67 plua plav / dej tsis kam.

IV. Cov Kev Siv Raug Raug
Cov Tshuab Sib Txuas

5G HWJ CA: Siv nyob rau hauv PA tso zis tso tawm tes hauj lwm los txo cov vwstr thiab txhim kho teeb liab efficiency.

Microwave backhaul: Cov khoom sib xyaw ntawm cov deluatators rau teeb liab kev hloov kho lub zog (piv txwv li, 30dB attinguation).

Radar thiab tshuab hluav taws xob hauv hluav taws xob

Phased-array radars: nqus tau cov kev xav uas rov ua dua hauv T / R modules los tiv thaiv LNAS.

Jamming Systems: Pab kom lub zog faib rau ntau cov teeb liab teeb liab synchronization.

Kuaj thiab ntsuas seev

Vector networkistalzers: pab rau kev ntsuas calibration (50ω txiav) rau kev ntsuas qhov raug.

Mem fais fab kev soj ntsuam: High-zog tiv taus nqus lub zog pauv (piv txwv li, 10kv pulses).

Cov Cuab Yeej Siv Kho Mob thiab Muaj

MRI RF coils: sib phim coil impedance los txo cov duab kos duab tshwm sim los ntawm cov ntaub so ntswg.

Ntshav Generator Generators: ruaj khov RF fais fab tso zis kom tsis txhob muaj hluav taws xob hluav taws xob puas los ntawm oscillations.

V. Cov nyom thiab Yav Tom Ntej
Cov kev sib tw ua haujlwm

Mmwave Kho: Tsim Tsim Kho: 110GHz Bands yuav tsum hais cov tawv nqaij ua haujlwm thiab dielectric poob.

Cov Kev Tiv Thaiv Kev Tiv Thaiv High-Pulse Ua Phem: Instaneous Habel Surges thov cov ntaub ntawv tshiab (piv txwv li, Sic-bedit resistors).

Tiam sis kev loj hlob

Kev sib xyaw ua ke: sib xyaw ua ke nrog cov ntxaij lim dej / baluns hauv ib pob (piv txwv li, AIP kav hlau txais xov) kom txuag tau pcb qhov chaw.

Ntse tswj: Embed soum / fais fab sensors rau adapted impedance txuam (piv txwv li, 6g reconfigurable nthwv dej).

Cov Khoom Siv Tsim: 2D Cov Ntaub Ntawv (piv txwv li, graphene) yuav ua kom ultra-broadband, ultra-tsawg-tsis resistors.

VI. Tag
Raws li cov "saib xyuas ntsiag to" ntawm cov kev sib txig sib luag, RF tiv taus sib npaug kev tsis sib xws, lub zog tsis txaus ntseeg, thiab ntau zaus. Lawv cov ntawv thov SPAN 5G puag ncig, phased-array radars, kev kho mob kev kho mob, thiab muaj ntshav cov tshuab. Nrog nce qib hauv Mmwave kev sib txuas lus thiab dav-bandgap semiconductors, RF kev tuav, thiab kev txawj ntse, ua qhov tsis tseem ceeb hauv cov tshuab hluav taws xob tom ntej.