Answered: Multiple Choice directions: Circle the…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Multiple Choice directions: Circle the letter of the answers that best answer the question. 13. When using microwave tubes as amplifiers, what is used as bandpass filters? a. Transistors b. Oscillator c. All of the above d. Power tubes 14. The microstrip lines used to achieve maximum power transfer are intended for a. Signal coupling b. Decoupling to prevent feedback c. Low-noise amplification d. Impedance matching and tuning 15. A diode that when reverse biased will momentarily and will abruptly turn off. a. Varactor diode b. IMPATT c. Step recovery diodes d. PIN diodes 16. A microwave transmission line used to minimize noise and crosstalks. a. Stripline b. Hard line cable c. Waveguide d. Microstrip 17. The major difference between a low frequency transistors and microwave types is/are. a. B & C b. Packaging c. Material d. Internal geometry 18. Which of the following band belongs to the millimeter waves a. C b. Ku c. U d. L 19. Overcrowding in the frequency spectrum is prevalent in which area of the spectrum? a. EHF b. UHF c. SHF d. VHF 20. What materials is used as the ground plane of the microstrip? a. Teflon b. GaAs c. Fiberglass d. Copper 21. Which of the following is not a microwave tube? a. Klystron b. TWT c. Magnetron d. Cathode- Ray tube 22. In microwaves, signal is extracted using a. Cavity resonator b. Circulators c. Probes d. Loops 23. A common application for magnetron is in: a. Satellites b. Radar c. TV sets d. Two-way radio 24. The main advantage of TWT over a Klystron for microwave amplification is: a. High power b. Wider bandwidth c. Smaller size d. Lower cost

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