1.7 Stepper Motor

What is the function of a drive circuit in a stepper motor system?

• To convert AC power to DC power

• To convert DC power to AC power

• To amplify and regulate the current to the motor windings

• To control the frequency of the input signal

Which of the following is not a commonly used drive circuit for stepper motors?

• Unipolar drive

• Bipolar drive

• H-bridge drive

• Tri-state drive

In a unipolar drive circuit, how many transistors are required to drive a four-phase stepper motor?

• 2

• 4

• 6

• 8

Which type of drive circuit is commonly used in high-performance stepper motor systems?

• Unipolar drive

• Bipolar drive

• H-bridge drive

• Tri-state drive

How does a microstepping drive circuit differ from a full-step drive circuit?

• Microstepping drives use higher voltage inputs

• Microstepping drives use fewer transistors

• Microstepping drives produce smoother motion and higher resolution

• Microstepping drives are only used in unipolar motors

What type of Power Drive Circuit is commonly used in stepper motors?

• H-bridge circuit.

• RC circuit.

• Transistor circuit.

• Capacitor circuit.