Quote:
Originally Posted by Argus25
One trick, if you want to get fancy, is to have a timer with a relay contact that shorts the NTC out a few seconds after switch on. You can make a timer just from a diode, resistor, capacitor and a relay, no semiconductors needed.
|
Only if the diode's thermionic!
And if it is indirectly heated, it'll do a delay on characteristic all on its own