| ??? 04/01/08 08:49 Read: times |
#152818 - ... or higher-impedance speaker Responding to: ???'s previous message |
Oliver Sedlacek said:
An 8 ohm speaker can draw 0.5A RMS Hence small speakers for this kind of work are often >>8 ohms. Or use a Piezo unit. But, surely, this is the kind of work that you're supposed to be doing yourself as part of this homework exercise? http://www.8052.com/forum/read.phtml?id=152773 http://www.8052.com/forum/read.phtml?id=152592 |
| Topic | Author | Date |
| driving a speaker | 01/01/70 00:00 | |
| Amplifier needed | 01/01/70 00:00 | |
| 8051 Output port drive current | 01/01/70 00:00 | |
| current | 01/01/70 00:00 | |
| Links | 01/01/70 00:00 | |
| links | 01/01/70 00:00 | |
| Think about it! | 01/01/70 00:00 | |
| speaker | 01/01/70 00:00 | |
| ... or higher-impedance speaker | 01/01/70 00:00 | |
| impedance | 01/01/70 00:00 | |
| Speakers are what they are ... | 01/01/70 00:00 | |
| impedance answer | 01/01/70 00:00 | |
| piezo | 01/01/70 00:00 | |
| The reason you're in school is to learn | 01/01/70 00:00 | |
| Library? | 01/01/70 00:00 | |
| research | 01/01/70 00:00 | |
You can use a transistor, but if you read ... | 01/01/70 00:00 |