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Electronic Devices and Circuits Online Quizzes - Section 18

1. An amplifier is designed using fixed bias configuration, what is its output impedance (source Resistor is bypassed)?






2. An amplifier is designed using fixed bias configuration, what is its input impedance (source Resistor is un bypassed)?






3. Which of the following is true about the common Source amplifier?






4. A Self bias configuration contains RD=3.3, Rs=1 KΩ, RG=1MΩ and gm=1.5mS. Determine Av?






5. What is the reason for connecting a capacitor in parallel with Rs?






6. A sinusoidal signal has 1.5V at t=2S, If this signal is given to Common source amplifier with |Av|=5V, what will be its output at t=2S?






7. For a self bias amplifier, RS=RD, the output will be_________________






8. Which of the following statement is true about FET common source amplifier compared to BJT amplifier?






9. If gain is need to be stabilized, which of the following element is used for a Common source amplifier?






10. What is the input impedance of voltage divider configuration?






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