This icon indicates a package that contains executable examples.
Extends from Modelica.Icons.ExamplesPackage (Icon for packages containing runnable examples).
| Name | Description |
|---|---|
Comparator | Comparator |
Differentiator | Differentiating amplifier |
HighPass | High-pass filter |
Integrator | Integrating amplifier |
InvertingAmp | Inverting amplifier |
InvertingSchmittTrigger | Inverting Schmitt trigger with hysteresis |
LCOscillator | LC oscillator |
LowPass | Low-pass filter |
Multivibrator | Multivibrator with Schmitt trigger |
NonInvertingAmp | Non-inverting amplifier |
SchmittTrigger | Schmitt trigger with hysteresis |
SignalGenerator | Rectangle-Triangle generator |
VoltageFollower | Reproduce input voltage |
This is an inverting amplifier. Resistance R1 can be chosen, R2 is defined by the desired amplification k.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 2 | Desired amplification |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | k * R1 | Calculated resistance to reach desired amplification k |
This is a non inverting amplifier. Resistance R1 can be chosen, R2 is defined by the desired amplification k.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 2 | Desired amplification |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | (k - 1) * R1 | Calculated resistance to reach desired amplification k |
This is a voltage follower. It reproduces the input voltage at the output without loading the input voltage source with a stiff output.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Resistance | Ri | 1 | Inner resistance of input voltage source |
Resistance | Rl | 1 | Load resistance |
This is a (inverting) differentiating amplifier. Resistance R can be chosen, capacitance C is defined by the desired time constant resp. frequency.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 2 | Desired amplification |
Resistance | R | 1000 | Arbitrary resistance |
Capacitance | C | k / (2 * pi * f * R) | Calculated capacitance to reach desired amplification k |
This is an (inverting) integrating amplifier. Resistance R can be chosen, capacitance C is defined by the desired time constant resp. frequency.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 2 | Desired amplification |
Resistance | R | 1000 | Arbitrary resistance |
Capacitance | C | k ^ (-1) / (2 * pi * f * R) | Calculated capacitance to reach desired amplification k |
This is a (inverting) low pass filter. Resistance R1 can be chosen, resistance R2 is defined by the desired amplification k, capacitance C is defined by the desired cut-off frequency.
The example is taken from: U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 13.3
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 1 | Desired amplification |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | k * R1 | Calculated resistance to reach k |
Frequency | fG | 0.1 * f | Limiting frequency, as an example coupled to f |
Capacitance | C | (2 * pi * fG * R2) ^ (-1) | Calculated capacitance to reach fG |
This is a (inverting) high pass filter. Resistance R1 can be chosen, resistance R2 is defined by the desired amplification k, capacitance C is defined by the desired cut-off frequency.
The example is taken from: U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 13.3
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Real | k | 1 | Desired amplification |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | k * R1 | Calculated resistance to reach k |
Frequency | fG | 0.1 * f | Limiting frequency, as an example coupled to f |
Capacitance | C | (2 * pi * fG * R1) ^ (-1) | Calculated capacitance to reach fG |
This is a comparator. Resistance R1 can be chosen, resistance R2 is defined by the desired reference voltage Vref (between Vn and Vp). The output switches between Vn for input voltage < Vref and Vp for input voltage > Vref.
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Voltage | Vref | 0 | Reference voltage |
Real | k | (Vref - Vns) / (Vps - Vns) | Calculated potentiometer ratio to reach Vref |
Resistance | R | 1000 | Resistance of potentiometer |
This is a (inverting) Schmitt trigger. Resistance R1 can be chosen, resistance R2 is defined by the desired hysteresis. The output gets Vn for input voltage > 0 + vHys and Vp for input voltage < vHys*Vns/Vps.
The example is taken from: U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 6.5.2
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Voltage | vHys | 1 | (positive) hysteresis voltage |
Real | k | vHys / Vps | Auxiliary calculated parameter to be used in R2 calculation |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | (1 - k) / k * R1 | Calculated resistance to reach hysteresis voltage |
This is a (non-inverting) Schmitt trigger. Resistance R1 can be chosen, resistance R2 is defined by the desired hysteresis. The output gets Vp for input voltage > vHys and Vn for input voltage < vHys*Vns/Vps.
The example is taken from: U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 6.5.2
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Voltage | Vin | 5 | Amplitude of input voltage |
Frequency | f | 10 | Frequency of input voltage |
Voltage | vHys | 1 | (positive) hysteresis voltage |
Real | k | vHys / Vps | Auxiliary calculated parameter to be used in R2 calculation |
Resistance | R1 | 1000 | Arbitrary resistance |
Resistance | R2 | R1 / k | Calculated resistance to reach hysteresis voltage |
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
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -15 | Negative supply |
Frequency | f | 10 | Desired frequency |
Resistance | R1 | 1000 | Resistance 1 for adjusting the Schmitt trigger voltage level |
Resistance | R2 | 1000 | Resistance 2 for adjusting the Schmitt trigger voltage level |
Resistance | R | 1000 | Arbitrary resistance |
Capacitance | C | f ^ (-1) / (2 * R * log(1 + 2 * R1 / R2)) | Calculated capacitance to reach the desired frequency f |
This signal generator consists of a Schmitt trigger and an integrator. The output of the Schmitt trigger part opamp (opAmp1) is a rectangular signal with the amplitude VAmp and the frequency f. The output of the integrator part opamp (opAmp2) is a triangular signal of also the amplitude Vamp and the frequency f.
Source:
U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 14.5.2
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | Vps | 15 | Positive supply |
Voltage | Vns | -Vps | Negative supply |
Voltage | VAmp | 10 | Desired amplitude of output |
Resistance | R1 | 1000 | Arbitrary resistance for Schmitt trigger part |
Resistance | R2 | R1 * Vps / VAmp | Calculated resistance for Schmitt trigger to reach VAmp |
Frequency | f | 10 | Desired frequency |
Resistance | R | 1000 | Arbitrary resistance of integrator part |
Capacitance | C | Vps / VAmp / (4 * f * R) | Calculated capacitance of integrator part to reach f |
This is an LC oscillator according to:
U. Tietze and C. Schenk, Halbleiter-Schaltungstechnik (German), 11th edition, Springer 1999, Chapter 14.1
Extends from Modelica.Icons.Example (Icon for runnable examples).
| Type | Name | Default | Description |
|---|---|---|---|
Voltage | VAmp | 10 | Amplitude of output |
Frequency | f | 1000 | Desired frequency |
Real | A | 1.001 | Amplification constant: A > 1 amplification, A = 1 pure sinusoidal oscillation, A < 0 damping |
Inductance | L | 0.001 | Arbitrary inductance > 0 |
Capacitance | C | ((2 * pi * f) ^ 2 * L) ^ (-1) | Calculated capacitance to reach frequency f |
Resistance | R | 10000 | Damping resistance |
Resistance | R1 | 10000 | Arbitrary high resistance |
Resistance | R2 | (A - 1) * R1 | Calculated resistance to reach amplification A |
Real | gamma | (1 - A) / (2 * R * C) | Calculated characteristical parameter |
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