Maitiro ekusarudza Yakanakisa PCB Simulation uye Analysis Zvishandiso

Kugadzira macircuit emagetsi inzvimbo inonakidza inobva pakukwanisa kuongorora nekutevedzera macircuit zvinobudirira. Ungave uri kushanda pamasystem ekufungidzira nemazvo, masystem emagetsi ane frequency yakakwira, kana mamwe maapplication anomhanya zvakanyanya, maturusi ekufananidzira anoita basa guru mukugadzira, kuongorora, uye kusimbisa mashandiro emacircuit ako kuti abatanidzwe muPCB yako inotevera. Chinyorwa chino chinoongorora zvinhu zvakakosha zvePCB design simulation, kubva pakunzwisisa musiyano uripo pakati penzvimbo dzenguva nefrequency kusvika pakusarudza maturusi akakodzera ematambudziko akasiyana emacircuit.

Basa reSimulation Tools mu PCB Dhizaini

Maturusi ekuenzanisa akakosha kune vagadziri vemagetsi, vese vatsva uye nyanzvi dzine ruzivo. Ivo vanoshanda semarabhoritari chaiwo, vachibvumira mainjiniya kuti aedze madhizaini edunhu pasina ekuvaka emuviri prototypes. Mumagetsi akaomarara masisitimu, kunzwisisa kuti ndeapi maturusi ekuenzanisa ekushandisa kunova kwakakosha, sezvo kuomarara kwemaseketi kuchigona kuenderana neiyo schematic uye marongero acho pachayo.

Dambudziko rinowanzo kuve mukududzira ruzivo rwunopihwa paPCB dhizaini software yekambani webhusaiti, uko kopi yekushambadzira inogona kusaburitsa nuances yekusarudzwa kwezvishandiso zvinobudirira. Kuti tijekese nyaya iyi, takanyora gwara rakazara kune akasiyana PCB dhizaini yekufananidza maturusi, mabasa adzo, uye kukosha kwawo mukugadzira-kumhanya kukuru.

Mhando dzePCB Dhizaini Simulation Zvishandiso

Nguva Domain vs. Frequency Domain

Usati wanyura mune chaiyo yekufananidza matekiniki, zvakakosha kusiyanisa pakati penguva domain uye frequency domain simulations. Imwe neimwe mhando yekunyepedzera inopa yakasarudzika maitiro edunhu, uye vese vane nzvimbo yavo muPCB dhizaini. Nguva domain simulations inoteedzera kuti chiratidzo chinoshanduka sei nekufamba kwenguva, nepo frequency domain simulations ichipinda mukati meiyo frequency zvikamu zvechiratidzo.

Izvo zvakakosha kuti uzive kuti aya madomasi haana kugumira kune chaiwo marudzi emaseketi. Semuyenzaniso, frequency domain simulation inogona kuburitsa ma frequency ezvikamu mukati medhijitari chiratidzo, nepo nguva domain simulations inogona kujekesa kuti chiratidzo chinoshanduka sei kwenguva. Kuchinjika mukushandisa madomasi aya chinhu chakakosha chevagadziri.

Linear vs. Nonlinear Circuits

Kunzwisisa mutsara wemaseketi kwakakosha pakusarudza maturusi ekuenzanisa akakodzera. Linear maseketi anosanganisira zvikamu zvine mutsara maitiro, senge resistors, capacitors, uye inductors. Kusiyana neizvi, maseketi asina mutsara ane chinhu chimwe chete chisina mutsara, senge diode kana transistors, zvinotungamira kune hukama husina mutsara pakati pemagetsi neazvino.

Musiyano uyu uripo pakati pemitsara neasina mutsara maseketi wakakosha pakuona nzira yekuenzanisa nayo. Mamwe maturusi ekufananidza anoenderana nemhando kana ese ari maviri edunhu. Kuziva kana masekete asina mutsara anoratidza mutsara maitiro kwakakosha kudzivirira mhedziso dzisiridzo nezve dhizaini dhizaini. Pamusoro pezvo, kuenzanisa kunogona kushandiswa pachikamu chechikamu, chero hazvo parasitic mhedzisiro inotariswa zvakakwana.

Schematic vs. Layout Simulations

Zvishandiso zvekugadzira nekuongorora dunhu zvakagadzirirwa kushandiswa padanho rehurongwa. Zvakakosha kunzwisisa kuti dunhu rehurongwa nehurongwa hwePCB zvinopa ruzivo rwakasiyana. Magadzirirwo ePCB anounza zvinhu zvinokanganisa mafambiro edunhu zvakanyanya. Izvi zvinosanganisira zviitiko zvakaita secrosstalk, conducted/radiated electromagnetic interference ( EMI ), uye transmission line effects.

Nezvinangwa zvenhaurirano iyi, kutarisa kwedu kunochinja kune dunhu uye system-level simulations, uko PCB dhizaini yekufananidza maturusi anoshandiswa padanho rehurongwa. Specialized simulation uye maturusi ekuongorora anogona kuverengera 2D kana quasi-2D PCB marongero, nepo mamwe epamberi ekuenzanisa maturusi, senge 3D emumunda solvers, anoshanda mu frequency uye / kana nguva domain, inogashira iyo chaiyo marongero geometry.

Kusarudza Kurudyi PCB Dhizaini Simulation Zvishandiso

Nepo kuongorora kwakadzama kweyega yega tekinoroji yekufananidza kunopfuura chiyero chechinyorwa chino, chinangwa chedu ndechekupa hwaro hwekusarudza nzira yakakodzera yekuongorora dunhu zvichienderana nemamiriro chaiwo. Ngationgororei mumhando dzakasiyana dzekufananidza uye mashandisiro adzo:

Linearity-agnostic Analysis

1. DC Kutsvaira: Iyi nzira inosimbisa hukama hunoshanda pakati peiyo DC siginecha nhanho uye redunhu mhinduro. Izvo zvakakosha pakuona shanduko kubva mumutsara kuenda kune isina mutsara maitiro, zvichiita kuti ive yakakosha kuongororwa kune chero dunhu.
2. Small-signal Analysis: Diki-signal ongororo inofananidzira mhinduro yedunhu semutsara wakatenderedza nzvimbo yekushandisa. Zvinonyanya kukosha pakuongorora maitiro ezvisina mutsara kana zvichifambiswa nekamwe frequency, zvichibatsira mukuongororwa kwe diode, transistors, uye zvimwe zvisina mutsara zvikamu.
3. Sensitivity Analysis: Sensitivity ongororo inoongorora kuti dunhu rinoita sei kune mutsauko mukushivirira kwechikamu. Izvi zvinobatsira kuziva zvikamu zvinonyanya kukosha pakupindura kwedunhu.
4. Monte Carlo Simulations: Yakanakira ese ari maviri mutsara uye asina mutsara maseketi uko kuongororwa mhedzisiro iri kunetsa kutora. Monte Carlo simulations inobata kushivirira kwechikamu kana vhezheni yemagetsi akasiyana seyakasiyana-siyana, ichigadzira huwandu hwakasiyana hwemhinduro dzedunhu dzekuongorora kwenhamba.
5. Nguva Domain Kupfupi Kuongorora: Inoshanda kune ese ari maviri mutsara uye asina mutsara maseketi, yenguva domain yenguva pfupi yekuongorora inoongorora mhinduro kune yakasarudzika waveform yekupinda. Zvakakosha kuziva kuti Laplace neFourier domain transfer function analysis, idzo dzine hukama, dzakanangana nemaseketi emitsetse.
6. Kugadzikana Kuongorora: Linear uye nonlinear kugadzikana kuongororwa kunogona kuitwa mune zvese nguva uye frequency domains. Ongororo idzi dzinogona zvakare kushandiswa kune dzisiri-yakazvimirira (nguva-yakasiyana) masisitimu. Nzira dzekuongorora dziripo kumabasa aya zvakare.

Linear Analysis

Maitiro akakosha mune mutsara, nguva-inochinja-chinja yedunhu ongororo inosanganisira:

1. AC Amplitude Sweep: Zvakafanana neDC kutsvaira, ongororo iyi inosiyanisa amplitude yechiratidzo che AC pane imwe frequency. Nepo ichiwanzoitwa mu frequency domain yemasekete ane mutsara, inogona kuchinjirwa kune asiri mutsara maseketi uchishandisa diki-chiratidzo chekuongorora.
2. Kutamisa Basa Kuongorora: Kazhinji inonzi inonzi pole-zero analysis, iyi nzira ine chinangwa chekuona maresonance frequencies uye mazinga ekuora kwenguva pfupi mukuenzanisa kumwe chete, kunotsanangurwa semapango uye zero, zvichiteerana. Inoitwa muLaplace domain kana Fourier domain yemasekete ane mutsara.
3. Frequency Sweep: Iyi nzira inoverengera amplitude nechikamu chemhinduro yedunhu pama frequency akasiyana. Kusiyana nekuongorora basa rekufambisa, hazvidi kutora fomu rekushanda, panzvimbo pacho kutsvaira nenhamba kuburikidza ne frequency renji.
4. Power Delivery Network Analysis: Kazhinji inoshandiswa kuderedza kudonha kweIR mukati mePCB's power delivery network, kuongorora uku kunovimbisa simba rekuvimbika. Kusanganisira parasitic zvinhu pamagetsi njanji inosimudzira kurongeka.

Nonlinear Ongororo

Key nonlinear ongororo dzinosanganisira:

1. Kutakura-kudhonza Analysis: Ongororo iyi inosarudza iyo impedance inoonekwa nemutyairi asina mutsara mudunhu. Iyo inofunga kuti iyo impedance yekupinza inonzwisiswa neiyo sosi inogona kusiyana kubva kune chaiyo mutoro impedance, kunyanya mumamiriro asina mutsara. Impedance yekufananidza yemagetsi amplifiers muRF chiratidzo cheni chinhu chakajairika application.
2. Harmonic Balance Analysis: Yakagadzirirwa kugadzirisa kukanganisa kwe intermodulation mumaseketi asina mutsara, harmonic chiyero chekuongorora chinosanganisira kubatanidza akawanda ekuisa ma frequency pamutyairi wedunhu uye kuverenga mhedzisiro inobuda.
3. Hysteresis Analysis: Hysteretic maseketi anoratidza inonakidza nguva-domain mhedzisiro kana ichifambiswa neanoscillating masosi. Kuona hysteresis kungangoda kuronga yekupinza-yekuburitsa macurves kubva kunguva-domain data kuratidza kuvepo kwayo.

Kushandisa Simulation Kuvandudza Madhizaini Edhizaini

Nekuwedzera kuomarara uye kuwedzera kushanda kweyepamusoro-kumhanya uye yakakwirira-frequency zvishandiso, kushandisa simulator package kunogona kubatsira zvakanyanya mukunzwisisa uye nekugadzirisa mashandiro ehurongwa. Nepo maturusi ekuedzesera asingakwanise kugadzira maPCB, iwo maonero anowanikwa kubva mumhedzisiro yawo anogona kukosha mukuona shanduko yekugadzira iyo inogona kuwedzera zvakanyanya mashandiro emudziyo uye kusangana nezvinodiwa zvekugadzira.

Paunenge uchishandisa simulator, zvakakosha kufunga nezvemipimo yeSPICE modhi, iyo inonyanya kukodzera kukurumidza kuongororwa kwedunhu mumasekete makuru. Kune yakakwira-kumhanya PCB dhizaini dhizaini, kugadzirwa kwemanyorerwo emamodheru kunowanzodikanwa kugadzirisa nyaya dzakakomba. Kana mamodheru akazara eese akasanganiswa maseketi (ICs) ari pabhodhi asiri kuwanikwa zviri nyore, nhandaro yemanyorero yemasekete ane logic inova chinodikanwa chechokwadi cheSPICE modhi. Nekudaro, zvinokurudzirwa kuti uongorore ma simulators anodarika ekutanga maSPICE modhi, achipa huwandu hwakasiyana hwepamusoro, zvikamu, uye zvimiro kuti uve nechokwadi chekuongorora kwakadzama uye optimization yekushanda kwechishandiso chako.

mhedziso

Munzvimbo yePCB dhizaini, simulation uye maturusi ekuongorora zvinhu zvakakosha kune mainjiniya anovavarira kugadzira epamusoro-inoshanda emagetsi masisitimu. Kunzwisisa mutsauko pakati penguva uye frequency domain simulations, kuziva mutsara kana kusaenzana kwemaseketi, uye kushandisa nzira dzakakodzera dzekufananidza padanho rehurongwa matanho akakosha mukugadzira maitiro.

Nepo chinyorwa ichi chakapa hwaro hwekusarudza nzira yekuongorora yedunhu, zvakakosha kuti uongorore zvakadzama mumaturusi chaiwo uye matekiniki zvichienderana nezvinodiwa zvakasiyana zvepurojekiti yako. Sezvo midziyo yemagetsi ichiramba ichifambira mberi mukuoma uye kushanda, kumbundirana mapakeji ekufananidza kuchave kwakakosha mukuona dhizaini yakakwana uye kusangana nezvinodiwa zvinogara zvichibuda zveindasitiri yemagetsi.

KuHighleap, isu tine hunyanzvi mukubatsira vanogadzira kuunza zvigadziriso zvavo mukugadzira uye kuronga mishandirapamwe yekushambadzira kutsigira kuburitswa kwechigadzirwa. Kana iwe uchitsvaga agile PCB dhizaini sevhisi dhizaini uye yakafunga hutungamiriri hwekushambadzira masevhisi, usazeze kubata Highleap kuti uwane kubvunza. Hunyanzvi hwedu hunogona kubatsira kufambisira magadzirirwo ako emagetsi kubva pane pfungwa kuenda kuchokwadi.