Timeline for question about bjt voltage gain
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 21, 2019 at 18:08 | vote | accept | Gary Khaw | ||
| May 21, 2019 at 18:03 | comment | added | The Photon | @GaryKhaw, gain of one means that a 1 V change in the input produces a 1 V change in the output. It doesn't imply 0 difference between the two voltages. | |
| May 21, 2019 at 18:02 | comment | added | Gary Khaw | @jonk HMM I always thought a gain of 1 means the Vin and Vout should be the same, and it is loading to a led module | |
| May 21, 2019 at 17:45 | comment | added | Indraneel | There will always be a CE drop of about 0.2V or more. See fig 16 onsemi.com/pub/Collateral/2N3903-D.PDF The voltage drop of 0.7V is between base and emitter. This is why the NPN is usually operated in sink mode (emitter to ground, load between Vcc and collector) | |
| May 21, 2019 at 17:44 | comment | added | jonk | It does appear to have a gain of 1. Why do you think it's not? And what is loading the emitter of Q1? | |
| May 21, 2019 at 17:43 | answer | added | Justme | timeline score: 0 | |
| May 21, 2019 at 17:38 | history | asked | Gary Khaw | CC BY-SA 4.0 |