Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder control circuits commonly used are the 2-wire ...

When you get the call, “The motor won’t start,” you’d best have a logical and systematic plan in place to approach the problem. “Easter egging” just doesn’t work unless you happen to be very lucky!

Part 3: Thermistor SPICE Models Make Sense With Older ICs, but What About a Newer One, Such as the LTC1041? It’s with a somewhat provocative title that we begin the third and last installment in this ...