Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
circuit_design:rechnung_nichtinvertierender_verstaerker [2022/01/22 01:05] – tfischer | circuit_design:rechnung_nichtinvertierender_verstaerker [2023/03/28 09:51] (aktuell) – mexleadmin | ||
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Zeile 4: | Zeile 4: | ||
----> | ----> | ||
- | $I.\quad$ Analysis of the Currents | + | $\rm I.\quad$ Analysis of the Currents |
<---- | <---- | ||
----> | ----> | ||
- | |by (2)+(3)|$\color{blue}{I_p} = \color{blue}{I_m} = 0$ | | + | |by (2)+(3)|$\color{blue}{I_\rm p} = \color{blue}{I_\rm m} = 0$ | |
- | | | therefore, $I_p$ and $I_m$ are defined| | + | | | therefore, $I_\rm p$ and $I_\rm m$ are defined| |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<---- | <---- | ||
----> | ----> | ||
- | |by (6)|$\color{blue}{I_o} = I_1 $ | | + | |by (6)|$\color{blue}{I_\rm O} = I_1 $ | |
- | | |$I_o$ is defined, when $I_1$ is defined| | + | | |$I_\rm O$ is defined, when $I_1$ is defined| |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<---- | <---- | ||
Zeile 26: | Zeile 26: | ||
----> | ----> | ||
- | |$\quad$|$I_1 = I_2 = I_o$ | | + | |$\quad$|$I_1 = I_2 = I_\rm O$ | |
| |$\quad$| | | |$\quad$| | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 32: | Zeile 32: | ||
----> | ----> | ||
- | |$\quad$|$\color{blue}{I_1} = \color{blue}{I_2} = \color{blue}{I_o} $ | | + | |$\quad$|$\color{blue}{I_1} = \color{blue}{I_2} = \color{blue}{I_\rm O} $ | |
| |with (8) and (9): $I_\boxed{}=\frac{U_\boxed{}}{R_\boxed{}}$ and (5)| | | |with (8) and (9): $I_\boxed{}=\frac{U_\boxed{}}{R_\boxed{}}$ and (5)| | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 38: | Zeile 38: | ||
----> | ----> | ||
- | | $\quad$ |$\frac{U_1}{R_1}= \frac{U_2}{R_2} = \frac{U_A}{R_1 + R_2}$ | | + | | $\quad$ |$\frac{U_1}{R_1}= \frac{U_2}{R_2} = \frac{U_\rm O}{R_1 + R_2}$ | |
- | | |Voltage divider, $I=const.$ | | + | | |Voltage divider, $I=\rm const.$ | |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<---- | <---- | ||
----> | ----> | ||
- | | (10)|$U_2= | + | | (10)|$U_2= |
| |Voltage divider| | | |Voltage divider| | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 50: | Zeile 50: | ||
----> | ----> | ||
- | $II.\quad$ Analysis | + | $\rm II.\quad$ Analysis |
<---- | <---- | ||
---->> | ---->> | ||
- | |by (0) |$\color{blue}{A_V}=\frac{U_O}{U_I}$ | | + | |by (0) |$\color{blue}{A_\rm V}=\frac{U_\rm O}{U_\rm I}$ | |
| | $\quad$| | | | $\quad$| | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 60: | Zeile 60: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
- | | |with (4): $U_I=U_2+U_D$| | + | | |with (4): $U_{\rm I}=U_2+U_\rm D$| |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<< | << | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | $\quad$ | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 72: | Zeile 72: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
- | | | with (10): $U_2= U_O\cdot\frac{R_2}{R_1+R_2}$ | + | | | with (10): $U_2= U_{\rm O}\cdot\frac{R_2}{R_1+R_2}$ |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<< | << | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | | $\quad$ | | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 84: | Zeile 84: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | | $\quad$ | | ||
|$\quad\quad\quad\quad\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad\quad\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 90: | Zeile 90: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | with (1)| | | | with (1)| | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 96: | Zeile 96: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | | $\quad$ | | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 102: | Zeile 102: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | | $\quad$ | | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 108: | Zeile 108: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
- | | | Expand with $\frac{1}{U_O}$ | | + | | | Expand with $\frac{1}{U_{\rm O}}$ | |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<< | << | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | $\quad$ | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 120: | Zeile 120: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
- | | | with $\frac{1}{A_D} \xrightarrow{A_D \rightarrow \infty} 0$ | | + | | | with $\frac{1}{A_{\rm D}} \xrightarrow{A_{\rm D} \rightarrow \infty} 0$ | |
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<< | << | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | reshaping the fraction | | | | reshaping the fraction | | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
Zeile 132: | Zeile 132: | ||
---->> | ---->> | ||
- | | $\quad$ | + | | $\quad$ |
| | $\quad$ | | | $\quad$ | ||
|$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | |$\quad\quad\quad$|$\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$| | ||
<< | << |