electronic-devices-bjt-amplifiers Related Question Answers
1. Which of the following conditions must be met to allow the use of the approximate approach in a voltage-divider bias configuration?
3. For a common-emitter amplifier, the purpose of swamping is
4. What is the typical value of the current gain of a common-base configuration?
6. An emitter-follower is also known as a
7. The ________ model fails to account for the output impedance level of the device and the feedback effect from output to input.
9. You have a need to apply an amplifier with a very high power gain. Which of the following would you choose?
11. A common-emitter amplifier has ________ voltage gain, ________ current gain, ________ power gain, and ________ input impedance.
12. What is the range of the input impedance of a common-base configuration?
13. The advantage that a Sziklai pair has over a Darlington pair is
14. What is the typical range of the output impedance of a common-emitter configuration?
17. What is the range of the current gain for BJT transistor amplifiers?
18. What does the negative sign in the voltage gain of the common-emitter fixed-bias configuration indicate?
19. For the common-emitter fixed-bias configuration, there is a ________ phase shift between the input and output signals.
20. Which one of the following configurations has the lowest input impedance?
21. Which of the following represent(s) the advantage(s) of the system approach over the r-model approach?
22. The differential amplifier has
23. The emitter-follower configuration has a ________ impedance at the input and a ________ impedance at the output.
24. The differential amplifier produces outputs that are
25. The ________ model suffers from being limited to a particular set of operating conditions if it is to be considered accurate.
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