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Transcript of Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan...
![Page 1: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/1.jpg)
Filter Design and Applications
ECE 480 - Team 3Team Members:
Nate Kesto
Mike Mock
Justin Bohr
Yuan Mei
Xie He
Chaoli Ang
![Page 2: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/2.jpg)
OutlineIntroductionFilter Designs
◦ Low Pass◦ High Pass◦ Band Width◦ Band Pass ◦ Differential Filtering
Filter Applications◦ Power Filtering◦ Audio Application◦ Band Stop◦ ECG Application
![Page 3: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/3.jpg)
IntroductionCharacteristics
◦Analog or Digital◦Passive or Active◦Linear or Non-Linear
Filter Types◦Low Pass◦High Pass◦Band Pass ◦Band Stop
![Page 4: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/4.jpg)
Filter Designs – Order and Cutoff FrequencyOrder of filters
◦ First order◦ Second order◦ Third and higher order
Cutoff frequency
![Page 5: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/5.jpg)
Filter Designs – Low PassPassive
◦Transfer function
![Page 6: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/6.jpg)
Active
Filter Designs – Low Pass
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Filter Designs – High PassPassive
Active
![Page 8: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/8.jpg)
Filter Designs – BandwidthBandwidth
◦Cutoff frequency and center frequency
◦Q factor
![Page 9: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/9.jpg)
Passive
Active
Filter Designs – Band Pass
![Page 10: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/10.jpg)
Filter Designs – DifferentialConcepts:
Differential Filter: Any filter with a differential input and a differential output.
Single-Ended Signal:-One of the signal terminals are grounded.
Differential Signal:-Neither of the signal terminals are grounded.
Why do we need it ? Couple with differential amplifiers.
Increase common mode rejection ratio, reduce noise and interference.
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Filter Designs – DifferentialPassiveHigh-pass Low-pass
ActiveHigh-pass Low-pass
![Page 12: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/12.jpg)
Filter Designs – DifferentialHow to design it?
Single-Ended to Differential-Ended Filter Translation.Single-Ended LP Filter Differential LP
Filter
*Figures from Texas Instruments Application Report “Design of Differential Filters for High-Speed Signal Chains” by Ken Chan
![Page 13: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/13.jpg)
Filter Designs – Differential
Simulation result of both the Single Ended and Differential filters using TINA-TI
![Page 14: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/14.jpg)
Buck ConverterSwitched-Mode
Filter Applications – Power
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Power Filter
Filter Applications – Power
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Tina – TI Simulation
Filter Applications – Power
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Filter Applications – Power Results
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Filter Applications – Audio 3-way Speaker Crossover
Subwoofers (20 - 80Hz)Midrange (80Hz - 2kHz)Tweeter (2 - 20kHz) http://www.waldonell.com/thoughts/sticky-articles/designing-a-100w-3-way-
speaker-system/
Bode Plot for 3-way Crossover
Commercial 3-Way Speaker Pair
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Speaker Equivalent Circuit
Filter Applications – Audio Speaker Impedance vs. Frequency
Design Goal:◦Match speaker’s natural frequency
response with crossover◦Maintain appropriate power distribution
http://sound.westhost.com/tsp.htm
http://fmarvasti.com/Graphics/Impedance.jpg
![Page 20: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/20.jpg)
Filter Applications – Audio Speaker Crossover SchematicPassive Elements (RLC Networks)
http://www.trueaudio.com/st_xov_1.htm
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Filter Designs – Band Stop
Background
Analog design
Digital design
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Filter Applications – Band Stop
![Page 23: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/23.jpg)
Notch Filter by Matlab
Filter Applications – Band Stop
![Page 24: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/24.jpg)
Plot of the Notch Filter
0 20 40 60 80 100 120 1400.7
0.75
0.8
0.85
0.9
0.95
1
1.05
Hz
| H(
ejw )
|
Filter Applications – Band Stop
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Filter Applications – Band Stop
![Page 26: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/26.jpg)
Filter Applications – ECG
AFEStellaris
Oscilloscope
Band Pass
f0 = .7 Hz f1 = 50 Hz
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Filter Applications – ECG
INA333Input Filtering
Post Filtering
Stellaris Oscillosco
pe
Servo Loop
RLD
CardioSim II
Low Pass
Inverting Low Pass
Inverting High Pass
Low Pass
![Page 28: Filter Design and Applications ECE 480 - Team 3 Team Members: Nate Kesto Mike Mock Justin Bohr Yuan Mei Xie He Chaoli Ang.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5516e27255034603568b4598/html5/thumbnails/28.jpg)
Filter Applications – ECGServo Loop
◦Inverting Low Pass filter◦Output sent to Reference pin of INA◦Effective High Pass
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Questions?