2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov txheej txheem siv bandgap yog ib txoj hauv kev siv ntau tshaj plaws los tsim kom muaj qhov kub thiab txias-yooj yim siv hluav taws xob. Bob Widlar, tus kws tshaj lij hluav taws xob zoo nkauj, tau tsim lub hauv paus rau hnub no lub bandgap voltage references nyob rau hauv lig 1960s.
PTAT voltage yog dab tsi?
V BE qhov hluav taws xob ntawm qhov yooj yim diode txuas nrog transistor ntawm daim duab 14.1(a) tuaj yeem siv los ua kom muaj kev tswj hwm tam sim no ib yam, raws li qhia hauv daim duab 14.3. … Peb xa mus rau qhov no yog PTAT lossis Proportional To Absolute Temperature current.
V yog dab tsi?
Ib qhov siv hluav taws xob, lossis V ref, yog ib lub cuab yeej precision tsim los tswj qhov tseeb, tsis tshua muaj suab nrov tsis tu ncua cov zis voltage. Qhov zoo tshaj plaws, cov zis yuav tsum nyob tas li txawm tias tsis muaj xws li qhov kub thiab txias, qhov hluav taws xob, lossis qhov hloov pauv tam sim no. V refs muaj nyob rau hauv kev sib txawv topologies.
Iptat yog dab tsi?
Definition. PTAT. Cov neeg tham txog qhov no (Facebook) PTAT. Proportional to Absolute Temperature (electronic circuit transistor biasing)
Vim li cas siv hluav taws xob tau txais?
Ib qhov siv hluav taws xob yog ib qho khoom siv hluav taws xob lossis hluav taws xob uasua qhov tsis tu ncua DC (ncaj-tam sim no) tso zis hluav taws xobtsis hais txog qhov hloov pauv ntawm lwm yam xwm txheej xws li kub, barometric siab, av noo., kev thov tam sim no, lossis kev hla ntawmlub sij hawm.
Pom zoo:
Leej twg piv tus qauv tsim ntawm lub ntiaj teb / lub ntiaj teb rau lub moos?
Cov lus sib cav tsim qauv Kev sib cav lus sib cav (los ntawm τέλος, telos, 'kawg, aim, lub hom phiaj'; tseem hu ua physico-theological sib cav, sib cav los ntawm kev tsim, lossis kev sib cav tsim ntse) yog ib qho kev sib cav rau qhov muaj nyob ntawm Vajtswv los yog, feem ntau, qhov kev ua haujlwm nyuaj hauv lub ntiaj teb ntuj tsim uas zoo li tsim yog pov thawj ntawm kev txawj ntse … https:
Nyob rau hauv ib lub neuron qhov twg voltage-gated calcium channel nyob?
Voltage-gated calcium channels (VGCCs), tseem hu ua voltage-dependent calcium channels (VDCCs), yog ib pab pawg ntawm voltage-gated ion channels pom nyob rau hauv daim nyias nyias ntawm cov hlwb excitable (xws li, cov leeg, glial hlwb, neurons, thiab lwm yam.
Leej twg lub siab los yog leej twg lub siab?
Ob leeg yog leej twg thiab leej twg los ntawm lub npe leej twg (shocking, txoj cai?). Leej twg yog tus contraction, txhais tau tias nws yog ob lo lus dai ua ke. … Leej twg yog ib tug muaj npe. Siv nws thaum koj nug (lossis qhia) rau leej twg ib yam dab tsi.
Lub pob zeb twg yog siv los tsim lub fort liab?
Lub Rooj Sib Tham Liab Liab tau tsim ua lub palace fort ntawm Shahjahanabad - lub peev tshiab ntawm thib tsib Mughal Emperor ntawm Is Nrias teb, Shah Jahan. Lub npe rau nws cov phab ntsa loj ntawm liab sandstone, nws nyob ib sab ntawm lub fort qub, Salimgarh, ua los ntawm Islam Shah Suri hauv 1546, uas nws tsim Red Fort Complex.
Puas muaj leej twg tsim lub sijhawm siv sijhawm?
Ib tug Iranian kws tshawb fawb tau thov kom tau tsim lub 'lub sijhawm tshuab' uas tuaj yeem kwv yees lub neej yav tom ntej ntawm ib tus neeg twg nrog qhov tseeb 98 feem pua. Serial inventor Ali Razeghi tau sau npe "Lub Aryayek Lub Sijhawm Ncig Tebchaws"