Nyob rau hauv ib qho kawg sib txawv amplifier ua haujlwm?

Cov txheej txheem:

Nyob rau hauv ib qho kawg sib txawv amplifier ua haujlwm?
Nyob rau hauv ib qho kawg sib txawv amplifier ua haujlwm?
Anonim

(A) Cov zis yog grounded. (B) Ib qho kev tawm tswv yim yog grounded thiab lub teeb liab raug siv rau lwm qhov. Raws li lub npe tau hais tseg, ib qho kev sib txawv ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhovcim uas tau muab los ntawm tsuas yog ib qho ntawm cov tswv yim. …

Dab tsi yog qhov sib txawv ntawm ib leeg xwb?

Tsis zoo li ib txwm amplifiers, uas amplify ib lub tswv yim input teeb liab (feem ntau hu ua ib leeg-kawg amplifiers), txawv amplifiers amplify qhov voltage qhov txawv ntawm ob lub input signals.

Dab tsi yog qhov txawv ntawm ib leeg-kawg thiab qhov sib txawv amplifier?

Ob hom amplifier no tau siv tib txoj hauv kev, tab sis qhov sib txawv amplifier, amplifies qhov sib txawv ntawm nws ob lub inputs, whereas tus tib kawg amplifier, amplifies qhov txawv ntawm nws ib leeg input thiab hauv av. … Cov teeb liab tsis hais txog hauv av.

hom twg yog siv nyob rau hauv txawv amplifier?

Cov lus qhia nkag mus rau qhov sib txawv amplifier, feem ntau, muaj ob yam khoom; lub ' hom-hom' thiab 'hloov-hom' cov cim. Hom-hom teeb liab yog qhov nruab nrab ntawm ob lub tswv yim teeb liab thiab qhov sib txawv hom yog qhov sib txawv ntawm ob lub tswv yim teeb liab.

Kev ua haujlwm ib leeg yog dab tsi?

Kev taw qhia ib leeg yog qhov yooj yim tshaj plaws thiab feem ntau siv txoj kev xa hluav taws xob xaim hluav taws xob hla cov xov hlau. Ib lub xov tooj muaj aQhov sib txawv voltage uas sawv cev rau lub teeb liab, thaum lwm cov hlau txuas nrog rau qhov siv hluav taws xob, feem ntau hauv av.

Pom zoo: