Timeline for How to make a proper DC Power + Battery circuit for audio effect pedals?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 17, 2013 at 15:55 | history | edited | Kaz | CC BY-SA 3.0 |
added 426 characters in body
|
| Jul 17, 2013 at 15:51 | comment | added | Kaz | @esauvisky So if the AC adapter drives a voltage that is greater than 0.25 + Vbat, the diode becomes reverse-biased (shut off). | |
| Jul 17, 2013 at 15:45 | comment | added | Kaz | @esauvisky To a crude approximation, a diode is a one-way valve, perventing "backflow" of current. So you can have two sources of energy driving the same circuit, each through a diode, such that neither can try to charge the other. The symbol shown, with the brackety line for the cathode, depicts a Schottky diode. Schottkys are good for this application because they have only a 0.25V drop compared to the 0.7V drop of common silicon diodes. | |
| Jul 17, 2013 at 7:47 | vote | accept | emi | ||
| Jul 17, 2013 at 7:47 | comment | added | emi | Of course! You're a genius! :P How does the diode switching work? | |
| Jul 17, 2013 at 6:55 | history | answered | Kaz | CC BY-SA 3.0 |