Daim ntawv qhia txog cov khoom siv hluav taws xob digital
Analogue fais fab mov cov khoom lag luam muaj txiaj ntsig zoo dua hauv cov ntawv thov uas yooj yim rau siv thiab tsis tas yuav muaj ntau qhov kev hloov pauv, vim tias qhov tshwj xeeb ntawm daim ntawv thov tuaj yeem ua tiav los ntawm kev kho kho vajtse, thaum cov khoom siv hluav taws xob digital muaj qhov zoo dua hauv kev siv cov txheej txheem kev ua haujlwm siab. nrog ntau yam tswj tau, ceev lub sij hawm teb lub sij hawm, thiab xav tau ntau yam analogue system tswj hwj chim. Tsis tas li ntawd, nyob rau hauv ntau txoj haujlwm ua haujlwm, piv rau cov khoom siv hluav taws xob analog, cov khoom siv hluav taws xob digital yog programmed los ntawm software kom ua tiav ntau daim ntawv thov, thiab lawv cov scalability thiab reusability tso cai rau cov neeg siv tau yooj yim hloov cov kev khiav hauj lwm tsis thiab optimize lub hwj huam mov system. Nws kuj txo cov naj npawb ntawm cov khoom siv peripheral los ntawm kev tiv thaiv overcurrent thiab tswj lub sijhawm.
Qhov sib txawv ntawm kev hloov pauv thiab cov khoom siv hluav taws xob analogue
Hauv kev lag luam ntau qhov system, piv nrog analogue fais fab mov, cov khoom siv hluav taws xob digital yog programmed los ntawm software kom ua tiav cov kev siv ntau yam, thiab nws cov scalability thiab reusability pab kom cov neeg siv tau yooj yim hloov cov kev ua hauj lwm tsis thiab optimize lub hwj chim mov system. Nws kuj txo cov naj npawb ntawm cov khoom siv peripheral los ntawm kev tiv thaiv overcurrent thiab tswj lub sijhawm.
Cov khoom siv hluav taws xob digital yog tswj los ntawm DSPs thiab MCUs. Piv txwv li, DSP-tswj fais fab mov siv digital filtering, MCU-tswj fais fab mov muaj peev xwm ua tau raws li qhov xav tau ntawm lub zog, nrawm dua lub sijhawm teb, lub zog.
Lub hwj huam mov regulator kev ua tau zoo dua.
Dab tsi yog cov txiaj ntsig ntawm lub zog digital nws yog thawj zaug programmable, xws li kev sib txuas lus, kev tshawb pom, telemetry thiab tag nrho lwm yam haujlwm tuaj yeem ua tiav los ntawm software programming. Tsis tas li ntawd, cov khoom siv hluav taws xob digital muaj kev ua haujlwm siab thiab muaj kev ntseeg siab, hloov tau yooj yim heev.
Kev cuam tshuam: microcontroller ntawm cov digital thiab analog, vim tias cov teeb liab digital yog qhov dav dav ntawm cov paib pulse, yog li lub ntsiab digital ntawm cov analog ib feem ntawm kev cuam tshuam muaj zog heev; Tsis tsuas yog feem ntau yog siv los cais cov khoom siv hluav taws xob digital thiab cov khoom siv hluav taws xob analog, ob qho txuas nrog lub lim dej, hauv qee qhov xav tau ntau zaus, xws li qee lub microcontroller hauv AD converter rau AD hloov dua siab tshiab, feem ntau cia lub digital ib feem ntawm lub xeev dormant! Hauv qee lub sijhawm xav tau, xws li AD converters nyob rau hauv qee lub microcontrollers rau AD hloov dua siab tshiab, nws yog ib qho tsim nyog yuav tsum cia cov digital feem ntawm lub xeev dormant, feem ntau ntawm cov logic digital kom tsis txhob ua haujlwm los tiv thaiv lawv los ntawm kev cuam tshuam nrog cov analogue. Yog tias qhov cuam tshuam loj heev, koj tuaj yeem siv ob lub zog sib cais, feem ntau nrog kev sib cais inductive thiab capacitive ntawm kab. Tseem tuaj yeem yog tag nrho lub rooj tsavxwm ntawm cov khoom siv digital thiab analogue ntawm cov khoom siv hluav taws xob sib txuas ua ke, nrog cov kev sib cais ncaj qha mus rau lub hwj chim lim capacitors ntawm cov pob qij txha. Yog tias cov kev xav tau los tiv thaiv jamming tsis siab, tuaj yeem txuas ua ke.
(1) Yog tias koj tsis siv lub nti A / D lossis D / A muaj nuj nqi, koj tsis tuaj yeem paub qhov txawv ntawm lub zog digital thiab lub zog analog.
(2) Yog tias koj siv A / D lossis D / A, koj kuj yuav tsum xav txog cov qauv siv hluav taws xob siv.
Qhov sib txawv ntawm kev hloov fais fab mov thiab analogue fais fab mov
