Join Barron Stone for an in-depth discussion in this video Supply dual voltages, part of Electronics Foundations: Semiconductor Devices.
- [Instructor] One of the challenges…when building circuits with op amps…is that they often need dual supply voltages…to draw power from both positive…and negative voltage sources.…An op amp can only output voltages within the range…between its power rails.…So, if an op amp is being used to generate an AC signal…that has positive and negative voltages,…the op amp's power rails will need to be connected…to both positive and negative supply voltages.…Benchtop power supplies like this one make that easy…because it provides output terminals…for positive and negative voltages,…both relative to a common ground terminal in the middle.…
If I configure this power supply to output five volts,…the terminal on the left…will provide me with positive five volts,…relative to that common ground,…and the terminal on the right…will give me negative five volts.…When I use a benchtop power supply…to provide dual voltages for my breadboard,…I like to connect the common ground bus…to each side of the breadboard…on its innermost power rails.…
- Semiconductor materials
- Diode applications
- Rectifying a signal
- Detecting the signal peak
- Protecting against large signals, reverse current, and flyback voltage
- Special purpose zener diodes, Schottky diodes, and photodiodes
- NPN and PNP bipolar junction transistors
- Using a BJT as a switch
- Field effect transistors
- Differences between BJTs and MOSFETs
- Operational amplifiers
- Op-amp applications
- Comparing signals
- Buffering signals
- Amplifying signals
- Filtering signals
- Combining signals
Skill Level Intermediate
Learning to use MakerBot 3D Printerswith Kacie Hultgren1h 5m Appropriate for all
2. Diode Applications
3. Special Purpose Diodes
4. Bipolar Junction Transistors
5. Transistor Applications
6. Field Effect Transistors
7. Operational Amplifiers
Feedback circuits6m 30s
8. Op-Amp Applications
Next steps1m 9s
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