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Old 4th Sep 2019, 11:32 am   #7
turretslug
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Join Date: Nov 2011
Location: Surrey, UK.
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Default Re: Solid State Vibrators -v- Inverters ?

I think of "inverter" as a broad description of devices that produce an AC output voltage from a DC input voltage, with "vibrator" being a sub-set. The picture gets complicated when synchronous vibrators get considered and for some time now, inverter has been used where "converter" (DC to different DC via AC!) used to apply. A question of definition, blurred by time and change of technology.

Vibrators necessarily ran at fairly low frequency (I think often around 100Hz or so) because of mechanical limitations. The first Royer oscillators (which could be thought of as a "similar but different" electronic replacement of the vibrator) also ran at LF but soon went to kHz or 10's of kHz. Pulling apart CFL drivers, these often look like HF Royers in principle, but I haven't examined in detail.
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