Differentiator

Differentiating amplifier

Diagram

Information

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

This is a (inverting) differentiating amplifier. Resistance R can be chosen, capacitance C is defined by the desired time constant resp. frequency.

Parameters (7)

Vps

Value: +15

Type: Voltage (V)

Description: Positive supply

Vns

Value: -15

Type: Voltage (V)

Description: Negative supply

Vin

Value: 5

Type: Voltage (V)

Description: Amplitude of input voltage

f

Value: 10

Type: Frequency (Hz)

Description: Frequency of input voltage

k

Value: 2

Type: Real

Description: Desired amplification

R

Value: 1000

Type: Resistance (Ω)

Description: Arbitrary resistance

C

Value: k / (2 * pi * f * R)

Type: Capacitance (F)

Description: Calculated capacitance to reach desired amplification k

Components (6)

opAmp

Type: IdealizedOpAmpLimted

ground

Type: Ground

vIn

Type: TrapezoidVoltage

vOut

Type: VoltageSensor

r

Type: Resistor

c

Type: Capacitor