WOLFRAM SYSTEM MODELER

Derivative

Lowpass filter operational amplifier circuit

Diagram

Wolfram Language

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SystemModel["Modelica.Electrical.Analog.Examples.OpAmps.OpAmpCircuits.Derivative"]
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Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Inverting highpass filter = derivative, based on the IdealizedOpAmpLimited model.

Transfer function: vOut/vIn = -k*s/(1 + s*T)

Parameters (8)

Vps

Value: +15

Type: Voltage (V)

Description: Positive supply

Vns

Value: -15

Type: Voltage (V)

Description: Negative supply

V0

Value: 15000.0

Type: Real

Description: No-load amplification

k

Value: 1

Type: Real

Description: Desired amplification

R1

Value: 1000

Type: Resistance (Ω)

Description: Resistance at negative input of OpAmp

R2

Value: k * R1

Type: Resistance (Ω)

Description: Calculated resistance to reach k

T

Value:

Type: Time (s)

Description: Time constant

C

Value: T / R1

Type: Capacitance (F)

Description: Calculated capacitance to reach T

Connectors (4)

p1

Type: PositivePin

Description: Positive electrical pin of port 1

n1

Type: NegativePin

Description: Negative electrical pin of port 1

p2

Type: PositivePin

Description: Positive electrical pin of port 2

n2

Type: NegativePin

Description: Negative electrical pin of port 2

Components (4)

opAmp

Type: IdealizedOpAmpLimited

Description: Idealized operational amplifier with limitation

r1

Type: Resistor

Description: Ideal linear electrical resistor

r2

Type: Resistor

Description: Ideal linear electrical resistor

c

Type: Capacitor

Description: Ideal linear electrical capacitor

Used in Examples (1)

HighPass

Modelica.Electrical.Analog.Examples.OpAmps

High-pass filter