This circuit is better than the previous one in that the control is isolated by a transformer. The transformer has 110 or 220 V primary and 6.3 to 12 V secondary with 200 to 500 mA current.
This circuit doubles and reverses the polarity of voltage Ve which can be between 5 and 15 V. The...
This circuit is from an old National Semiconductor component manual. The circuit can be...
We find this circuit in a 2005 Linear Technology manual. The circuit applies to small DC motors...