electronic-devices-fet-amplifiers Related Question Answers
3. A common-drain amplifier is similar in configuration to which BJT amplifier?
5. Refer to this figure. If Vin = 1 V p-p, the output voltage Vout would be
6. Use the following equation to calculate gm for a JFET having IDSS = 10 mA, VP = –5 V, and VGSQ = –2.5 V.
8. Refer to this figure. If Vin = 20 mV p-p what is the output voltage?
9. Referring to the following figure, calculate gm for VGSQ = –1.25 V.
10. Referring to this figure, calculate the value of RD if the ac gain is 10. Assume VGSQ = ¼Vp.
11. Where do you get the level of gm and rd for an FET transistor?
13. What is (are) the function(s) of the coupling capacitors C1 and C2 in an FET circuit?
15. What is the input resistance (Rin(source)) of a common-gate amplifier?
16. There is a ________º phase inversion between gate and source in a source follower.
17. Refer to this figure. If C4 opened, the signal voltage at the drain of Q1 would
19. Which of the following is a required condition to simplify the equations for Zo and Av for the self-bias configuration?
20. The steeper the slope of the ID versus VGS curve, the ________ the level of gm.
22. MOSFETs make better power switches than BJTs because they have
24. MOSFET digital switching is used to produce which digital gates?
25. Referring to the transfer characteristics shown below, calculate gm at VGSQ = –1 V.
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