Ntawm technologyElectronics

Inverting amplifier electronics

Ntaus ntawv, muaj nyob rau hauv nws muaj pes tsawg leeg ib tug inverting amplifier, dav siv nyob rau hauv lub tsev thiab tom hauj lwm. Schemes siv no yog siv rau cov amplification / attenuation ntawm analog Pib ntsais koj teeb yog siv nyob rau hauv ntau khoom vaj khoom tsev: recorders, TV, xov tooj cua, thiab lwm yam Qhuav inverting amplifier yog dav siv nyob rau hauv cov kev tswj circuits, kev tiv thaiv los yog kev tswj lub lag luam los ntawm ntau yam chav nyob thiab kev npaj rau. Nws yog indispensable rau ntau pab kiag li lawm uas khiav lag luam nyob rau hauv ib qhov chaw uas koj xav tau nyiaj pab ntau tshaj kev kawm. Zoo kawm ua nws ib tug lub caij tseem ceeb nyob rau hauv ntau hluav taws xob circuits. Tus ntaus ntawv yog compact, muaj ib tug ua nyob rau hauv overload tiv thaiv, thiab ua hauj lwm nyob rau hauv ib tug ntau ntau yam kub.

Nws khiav hauj lwm kuj yog yooj yim txaus. Nws transforms lub tswv yim teeb liab nyob rau hauv raws li ib tug txhaws coefficient inverts nws. Nyob rau hauv lwm yam lus, yog hais tias tus inverting amplifier muaj ib tug nce sib npaug zos rau kev sib sau, ces peb yuav tau txais ib daim iav duab ntawm lub tswv yim teeb liab. Qhov no tej khoom vaj tse yog uas kheev siv los siv ib tug ntau yam ntawm kev khiav dej num: division, lej khu, summation, etc.

Tu siab, nyob rau hauv kev xyaum lub ntaus ntawv ua hauj lwm raws ntawm qhov zoo tagnrho. Lub ntsiab teeb meem yog cov tso zis teeb liab drift nyob ze zero. Qhov no tshwm sim thaum ib tug tsis ruaj tsis khov los yog kauj noj haus ntaus ntawv los yog hloov nws ua hauj lwm kub. Qhov no muaj feem xyuam rau qhov zoo tshaj ntawm analog los pauv hloov thiab, thaum kawg, muaj feem xyuam rau lub chaw ua hauj lwm ntawm tag nrho cov electronics. Inverting amplifier tau tsim rau txawv hais. Nyob rau hauv tas li ntawd, muaj ntxiv cov ntsiab uas tso cai rau cov los yog siab kom daws tau qhov saum toj no qhov teeb meem.

Zoo haum kev kawm muaj ib qho kev inverting ua hauj lwm amplifier. Nws yog ib tug niaj hnub compact ntaus ntawv tau koom ua ke raws li cov ntsiab cai no. Nws yog dav siv nyob rau hauv lub amplifier theem rau ntau lub hom phiaj. Nyob rau hauv kev, nws tau qhia nws tus kheej zoo rau hluav taws xob tswj pab kiag li lawm. Ib tug ua hauj lwm amplifier, uas yog siv nyob rau hauv cov creation ntawm no ntaus ntawv muaj ib tug high-nce, uas koj kom paub lub feem ntau daring tswv yim. Tsis tas li ntawd nws yuav tsum tau muab sau tseg siab cov tswv yim thiab tsis tshua muaj tso zis impedance ntawm tus dais.

Qhov tsis zoo nyob rau hauv nws cov kev siv, tsuas yog rau lub teeb liab drift nyob ze zero, lub nonlinearity tej zaum yuav muaj ntaus yam ntxwv thaum lub sij hawm nws lub lag luam nyob rau hauv cov kev tswj circuits. Peb yuav tau tham txog tus ciam teb cheeb tsam, uas txiav txim rau hauv lub chav ntawm nws zog ua hauj lwm. Yog hais tias tus ntaus ntawv yog nyob rau hauv lub "saturation", ces yuav tawm los ntawm lub xeev no nws yuav xav tau ntau lub sij hawm. Qhov no tej zaum yuav tseem ceeb heev rau lub circuits, lub ntsiab txog kev paub yog cov kev ceev ntawm lub lag luam uas.

Ib tug tshwj xeeb qhov chaw yog nyob los ntawm cov xab amplifier. Nws siv lub classic sib rho / summation ntawm lub tswvyim yuav sau rau lub hauv paus ntawm ua hauj lwm zoo amplifier.

Dua li ntawm qhov advent ntawm cov pab kiag li lawm, ua hauj lwm amplifiers tseem yuav nquag thov nyob rau hauv lub tsim ntawm cov ntau yam circuits. Lub ntsiab kev rau qhov no yog raws li nram no: siab cia siab rau, yooj yim ntawm installation thiab cov txij nkawm, uas tsis muaj nqi ntawm cov kev ntaus ntawv.

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