POLITECHNIKA POZNAŃSKA

Elementy i układy elektroniczne

Studia Zaoczne

Grupa E2

Marek Duszczak

Praca kontrolna

Data wykonania pracy

Data oddania sprawozdania

Ocena

Prowadzący

Dr inż. I. Chmielewska

20.01.2003r.

25.01.2003r.

21.14 Wyznaczyć wartość Rf, która zapewni zaznaczone wzmocnienie w zamkniętej pętli dla poszczególnych układów na rysunku:

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b).

Rf

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Ri

-

10kΩ

+

Acl=300

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d).

Rf

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Ri

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_

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2,2kΩ

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+

Acl=75

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21.15 Znaleźć wzmocnienie dla każdego ze wzmacniaczy

a).

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_

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+

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c).

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Rf 1MΩ

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_

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Ri 50kΩ +

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b).

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_

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+

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c).

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_

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+

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d).

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Ri

10MΩ

_

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100kΩ

+

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Ri

10MΩ

_

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100kΩ Vout

+

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21.16 Do każdego ze wzmacniaczy przyłożono napięcie wejściowe o wartości skutecznej 0x01 graphic
. Znaleźć napięcie wejściowe i określić ich fazę względem napięcia wejściowego.

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Rf

Ri 100kΩ

_

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Vin

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100kΩ Vout

+

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Wyznaczyć impedancje wejściową i wyjściową dla układu.

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Rf 47kΩ

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- Vout

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Ri 1,5kΩ

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+

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Jakie jest napięcie wejściowe dla kompensatora.

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Uwe

-

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R1

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+

+15V

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100kΩ

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R2 10kΩ

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Narysować przebieg napięcia0x01 graphic
jeżeli 0x01 graphic
.

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5V

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Vwe

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π 2π 3π

U

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