Drive Circuits for Stepper Motor

Drive Circuits for Stepper Motor: A Drive Circuits for Stepper Motor is usually driven from a low voltage dc source. When a phase is to be energised, the dc source…

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Logic Circuits Interview Questions and Answers

Logic Circuits Interview Questions and Answers: 1. What is a combinational circuit? Ans. In a combinational circuit, the output depends upon present input(s) only i.e., not dependent on the previous  input(s).…

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BJT Power Amplifier with Op Amp Driver

BJT Power Amplifier with Op Amp Driver: BJT Power Amplifier with Op Amp Driver Circuit Operation - The Class-AB power shown in Fig. 18-39 uses an operational amplifier (A1) for…

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MOSFET Biasing Circuits

MOSFET Biasing Circuits: DE-MOSFET Bias Circuits - DE-MOSFET bias circuits are similar to JFET bias circuits. Any of the FET bias circuits already discussed can be used to produce a…

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JFET Biasing Circuits

JFET Biasing Circuits: Use of Plus/Minus Supplies - When plus/minus supply voltages are to be used with a JFET Biasing Circuits, the gate terminal is usually grounded via RG, as…

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