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(TCO 1) The following response curve would be produced by what kind of filter?

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  1. (TCO 1) The following response curve would be produced by what kind of filter?
  2. (TCO 1) Calculate the wavelength of a 950KHz carrier signal.
  3. (TCO 1) Which of the following would be a linear device?
  4. (TCO 1) A spectrum analyzer displays what?
  5. (TCO 2) Referring to the diagram below, which block is the carrier oscillator?
  6. (TCO 2) Referring to the block diagram below, block Y would be a(n)
  7. (TCO 2) Referring to the AM envelope below, what is the modulation factor?
  8. Referring to the spectrum analyzer display below, what is the modulation frequency?
  9. (TCO 2) What could be done to improve the spectrum analyzer display shown below? 
  10. (TCO 3) Referring to the diagram below, which block is the RF amplifier?
  11. (TCO 3) An AM receiver s local oscillator is tuned to 1195KHz and is using high-side injection. What would be the frequency of the desired carrier?
  12. (TCO 3) An AM receiver is tuned to receive a carrier frequency of 1040KHz and is using high-side injection. What would be the frequency of the image frequency?
  13. (TCO 3) An AM receiver is tuned to receive a carrier frequency of 1370KHz and is using low-side injection. What would be the image frequency?
  14. Referring to the spectrum analyzer display below for the AM signal, what is the modulation frequency? 
  15. Based on information from previous question, modulator factor = _____
  16. Continue from previous question, carrier frequency = ______
  17. In AM Superheterodyne receiver, IF Amps are lowpass filters and cutoff frequency is set at 455KHz.
  18. (TCO 4) From the spectrum analyzer display shown below, determine the total bandwidth needed to transmit that signal. 
  19. (TCO 4) From the spectrum analyzer display below, determine the modulation frequency.
  20. (TCO 4) Using the Bessel chart below, determine how many significant sideband pairs a transmission with a modulation factor of 4.0 would generate.
  21. (TCO 4) An FM transmitter has a carrier frequency of 150MHz, a deviation of +/-15KHz and audio modulation frequency of 3KHz. Calculate the modulation factor?
  22. Amplitude modulation is a process in which peak amplitude of the carrier signal varies in direct proportion to amplitude variations in the modulation signal (baseband).
  23. Frequency modulation is a process in which frequency of the carrier signal varies in direct proportion to frequency variations in the modulation signal
  24. (TCO 5) Referring to the PLL block diagram below, which two signals are in sync when the PLL is "locked"? 
  25. (TCO 5) Referring to the block diagram of a PLL below, what is the function of block B?
  26. (TCO 5) Which of the points on the S-curve below would correspond to the PLL being in the locked mode?
  27. (TCO 5) The PLL shown below is configured as a frequency synthesizer. Which point would be the output? 
  28. Phase Locked Loop (PLL) system is used to lock in the voltages  of two signals.
  29. (TCO 6) Referring to the block diagram below, which block is the discriminator?
  30. (TCO 6) If an FM receiver is tuned to receive a carrier frequency of 160.5MHz and uses high-side injection, what would be the frequency of the local oscillator?
  31. (TCO 6) If an FM receiver is tuned to receive a carrier frequency of 160.50MHz and is using low-side injection, what would the image frequency be?
  32. The Phase Comparator in the PLL can be implemented using a Multiplier.
  33. In AM system, the recovered information signal can be obtained from the output of the lowpass filter in the AM Demodulator.
  34. (TCO 7) What module does Tims use as a modulator?
  35. (TCO 7) After you are done connecting the modules in a Tims system, how do you turn on the circuit?
  36. (TCO 7) What is the phase (angle) difference between sine and cosine?
  37. (TCO 7) What is slew rate?
  38. (TCO 7) When we draw a phasor diagram, we use what coordinate system?
  39. (TCO 7) Which of the following is BPSK modulation? Constellation choices2

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