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This tutorial is the continuation of the video series on passive, analogue filters. Advantages and problems of higher-order filters are explained by the Bode diagram and the phasor diagram. In addition we discuss using colis appart from capacitors for filter design. The occurrence of resonance is discussed, using combined LC filters. Based on this, the advantages and disadvantages of various filter characteristics, such as Bessel, Butterworth and Chebyshev filters are described. As application examples we discuss L-, T-, and Pi-filters, as well as a circuit of an AM radio.
Tutor: Michael Fuchs
Chapters:
0:00 Intro
1:15 Higher Order Filters
3:21 Cascading Passive Filters
4:55 Filters with Inductances
8:15 Filter Characteristics
10:49 Considerations in Filter Design
12:02 Applications
15:22 Practical Example: AM Radio
17:17 Outlook on Active Filters
Solution for example with Pi filter:
Z_Source (very high) and Z_Load (very high)
Additional links:
- Filter design tools:
rf-tools.com/lc-filter/
www.analog.com/designtools/en...
- Passive crossover filters for speakers:
www.diyaudioandvideo.com/Tuto...
- Active filters:
www.electronics-tutorials.ws/...
- DIY AM Radio:
dulluhan.github.io/2016/11/12/...
- Institute of Electronics / TU Graz:
ife.tugraz.at
www.tugraz.at
- Like us on Facebook:
/ ife.tugraz.at
Production: TU Graz - Educational Technology