Protokół 7
Temat: Badanie scalonego wzmacniacza prądu stałego
Skład grupy:
Tabela 1 Otwarta pętla ujemnego sprzężenia zwrotnego, P2 wciśnięty
Polaryzacja nap. wejściowego dodatnia |
Polaryzacja nap. wejściowego ujemna |
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Lp |
Us |
Uwy |
Uwe |
ku |
ku |
Lp. |
Us |
Uwy |
Uwe |
ku |
ku |
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mV |
V |
V |
V/V |
dB |
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mV |
V |
V |
V/V |
dB |
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Tabela 2 Zamknięta pętla ujemnego sprzężenia zwrotnego, P2 wciśnięty
Polaryzacja nap. wejściowego dodatnia |
Polaryzacja nap. wejściowego ujemna |
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Lp |
Us |
Uwy |
Uwe |
ku |
ku |
Lp. |
Us |
Uwy |
Uwe |
ku |
ku |
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mV |
V |
V |
V/V |
dB |
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mV |
V |
V |
V/V |
dB |
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Tabela 3 Otwarta pętla ujemnego sprzężenia zwrotnego, P4 wciśnięty
Polaryzacja nap. wejściowego dodatnia |
Polaryzacja nap. wejściowego ujemna |
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Lp |
Us |
Uwy |
Uwe |
ku |
ku |
Lp. |
Us |
Uwy |
Uwe |
ku |
ku |
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mV |
V |
V |
V/V |
dB |
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mV |
V |
V |
V/V |
dB |
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Tabela 4 Zamknięta pętla ujemnego sprzężenia zwrotnego, P4 wciśnięty
Polaryzacja nap. wejściowego dodatnia |
Polaryzacja nap. wejściowego ujemna |
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Lp |
Us |
Uwy |
Uwe |
ku |
ku |
Lp. |
Us |
Uwy |
Uwe |
ku |
ku |
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mV |
V |
V |
V/V |
dB |
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mV |
V |
V |
V/V |
dB |
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2. Wyznaczanie charakterystyki częstotliwościowej wzmacniacza.
Schemat pomiarowy
Rys. 5 Układ pomiarowy do wyznaczenia charakterystyki częstotliwościowej wzmacniacza.
Tabela 5 Otwarta pętla ujemnego sprzężenia zwrotnego
P2 - wciśnięty |
P4 - wciśnięty |
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Lp. |
f |
log f |
U wy |
Ku |
Lp. |
f |
log f |
U wy |
Ku |
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kHz |
- |
V |
dB |
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Hz |
- |
V |
dB |
1 |
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Tabela 6 Zamknięta pętla ujemnego sprzężenia zwrotnego
P2 - wciśnięty |
P4 - wciśnięty |
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Lp. |
f |
log f |
U wy |
Ku |
Lp. |
f |
log f |
U wy |
Ku |
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kHz |
- |
V |
dB |
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Hz |
- |
V |
dB |
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