How to plot frequency response graph of band pass filter in Proteus
How to Plot Frequency Response Graph of Band Pass Filter in Proteus Software
This video demonstrates how to plot the frequency response graph of an active band pass filter using Proteus software. Watch step-by-step as we simulate a cascaded high-pass and low-pass filter (Sallen-Key topology) and generate the frequency response curve to visualize the passband, lower cutoff frequency (fc1), and upper cutoff frequency (fc2).
Whether you're designing filters for communication systems, noise suppression, or audio applications, this Proteus simulation tutorial will help you verify your filter design quickly and accurately.
🔗 Complete Tutorial & Circuit Diagram:
📖 How to Design Active Band Pass Filter – Cascaded HPF and LPF
https://ee-diary.net/2021/11/how-to-d...
Includes: circuit schematic, design equations, component value calculations, online calculator, and frequency response analysis.
📌 In This Video:
Setting up the band pass filter circuit in Proteus
Connecting the AC sweep analysis for frequency response
Interpreting the Bode plot (gain vs. frequency)
Identifying lower cutoff frequency (fc1) and upper cutoff frequency (fc2)
Verifying the passband and roll-off characteristics
🔧 Components Used:
LM324 Op-Amp (or any general-purpose op-amp)
Resistors and capacitors for Sallen-Key HPF and LPF sections
Proteus software for simulation
📊 Key Concepts Covered:
Cascaded HPF and LPF method for band pass filter design
Sallen-Key topology
Frequency response plotting using Proteus AC Sweep
Calculating fc1, fc2, and center frequency (fo)
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