Quote:
Originally Posted by SV650rules
A basic thyristor is an on/off device - it can be triggered but will only turn on when it is forward biased, and it will not turn off until voltage across it drops to zero or goes reverse - an igbt thyristor can be turned off by removing gate supply at any time. a device that is in some conductive state other than fully on will dissipate a lot of heat - that is why square wave power supplies are more efficient - the switching device is either fully on or off.
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Ok the wonderful internet does say that thyristors only switch but transistors can control as an amplifier so surely we have the latter in our R/R?