Post on 20-Jan-2021
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Introduction
Filter Design with Op-amp
Deadline : Submit softcopyuntil 10:00 a.m. on June. 3, 2020 in the YSCECLate penalty : -10 point per day
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Total time: 50μs
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Click this button!
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Original Signal
Consider the filter spec. of your design!
If you Double click the time-axis,
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
We can design our own Filter!
AC Sweep result You have to use DB marker to show AC Sweep result.
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 1. Filter Design with Ideal Op-amp
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
• Differential Input Pair
V 0.5CMV V
0.5CMV V
Design : 2. Operational Amplifier
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
• Differential Mode Gain (Adm)
Differential mode gain > 40 dB
Design : 2. Operational Amplifier
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
• Output Impedance Simulation Setup
Part name : IAC
Use V marker(Not VDB marker)
Design : 2. Operational Amplifier
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
• Power Consumption
With the current marker, a more accurate power explanation can be obtained.
P = I x 2.5V
Caution: It’s not Op-amp. It is just example to show you how to measure power consumption.
Design : 2. Operational Amplifier
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 3. Filter implementation using designed Op-amp
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 3. Filter implementation using designed Op-amp
My designIdeal
vs
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Design : 3. Filter implementation using designed Op-amp
Before After
Electronic Circuits 2 (20/1) W.-Y. Choi
Lect. 29: Project 2 Design Guide
Grading Policy
• Filter Design with ideal Op-amp [10], Operational Amplifier [20] ,Filter Design with your Op-amp[20]
• A few students who achieve the best results will be asked to present their design in English(?) for extra points(+[5]) during a Zoom seesion
• All plots and set-ups I showed you in this lecture must be in your design report. And your design report must include the method of design each circuit to satisfy specification. Report must be written in English.
• Late penalty is -10 point per day.