773Views5Replies

Author Options:

Joule Thief Speaker Amp? Answered

If a joule thief circuit can be used to amplify a battery to power an LED, could it possibly be used to amplify a speaker instead of a LM306? chip?

Discussions

0
None
Re-design

8 years ago

No. They work on different principles.

0
None
orksecurityRe-design

Answer 8 years ago

The Joule Thief is not an "amplifier" in any normal sense of the term. However, a Joule Thief might be used to power an amplifier.

0
None
NachoMahmaorksecurity

Answer 8 years ago

. I suppose one could call a joule thief a voltage amplifier. Still not going to work since audio amps are power amplifiers (voltage and current are amplified, not just voltage).

0
None
orksecurityNachoMahma

Answer 8 years ago

I'd call it closer to a transformer. (It's essentially a DC-to-DC converter, right?). And I wouldn't normally call a transformer an amplifier. But your usage may differ; de gustibus...