WOLFRAM SYSTEM MODELER
MultivibratorMultivibrator with Schmitt trigger |
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Diagram
Wolfram Language
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SystemModel["Modelica.Electrical.Analog.Examples.OpAmps.Multivibrator"]
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Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This is a Multivibrator with Schmitt trigger according to:
U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 6.5.3
Parameters (7)
| Vps |
Value: +15 Type: Voltage (V) Description: Positive supply |
|---|---|
| Vns |
Value: -15 Type: Voltage (V) Description: Negative supply |
| f |
Value: 10 Type: Frequency (Hz) Description: Desired frequency |
| R1 |
Value: 1000 Type: Resistance (Ω) Description: Resistance 1 for adjusting the Schmitt trigger voltage level |
| R2 |
Value: 1000 Type: Resistance (Ω) Description: Resistance 2 for adjusting the Schmitt trigger voltage level |
| R |
Value: 1000 Type: Resistance (Ω) Description: Arbitrary resistance |
| C |
Value: 1 / f / (2 * R * log(1 + 2 * R1 / R2)) Type: Capacitance (F) Description: Calculated capacitance to reach the desired frequency f |
Components (7)
 |
opAmp |
Type: IdealizedOpAmpLimted |
|---|---|---|
 |
ground |
Type: Ground |
 |
vOut |
Type: VoltageSensor |
 |
r1 |
Type: Resistor |
|
r2 |
Type: Resistor |
|
r |
Type: Resistor |
 |
c |
Type: Capacitor |