Dive into electronic filters, which are circuits that remove specific frequency components from a signal. Learn how to represent the gain and phase shift of a filter's frequency response using Bode plots.
- [Instructor] Electronic filters are circuits…which are designed to remove specific frequency components…from the signal passing through them.…And they show up in all sorts of electronic devices,…for example, the equalizer in a stereo system…uses filters to separate the low frequency bass parts…of an audio signal from the higher frequency…treble components to send them to different speakers.…Your cell phone relies on speakers to process…the incoming signals from its antenna,…to select certain frequencies for communication,…and pretty much every DC power supply ever created…uses some sort of filter to provide a nice,…clean output power signal.…
Filter circuits can either be active or passive.…Active filters have the ability to increase or amplify…the power of certain frequencies within a signal.…However, active filters require…an external power source to do that,…and they usually use semi conductor components…like transistors or operational amplifiers,…which are beyond the scope of this particular course.…For this course, I'll focus on passive filters,…
- Reading electrical schematics
- Building circuits on breadboards
- Reviewing types of static and variable resistors
- Reading resistor color codes
- Measuring resistance with a DMM
- Measuring resistive sensors with an Arduino microcontroller
- Making electrical signal measurements with an oscilloscope
- Measuring AC voltage with a DMM
- Understanding the time domain and frequency domain
- Designing passive low-pass and high-pass filters
- Reviewing reactive RC and RL circuits
- The relationship between capacitors and inductors
Skill Level Beginner
Learning to use MakerBot 3D Printerswith Kacie Hultgren1h 5m Appropriate for all
Learning Arduino: Pulse Width Modulationwith Rae Hoyt1h 16m Intermediate
1. Building Circuits
Read electrical schematics6m 25s
3. Resistive Circuits
4. Oscilloscope Measurements
6. Alternating Current
7. Electrical Signals
8. Reactive Circuits
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