Transistor power amplifier

JANUARY 2018 CONFIDENTIAL
Question 1Trans
Figure 1 shows the BJT transistor power amplifier. Calculate:
The power dissipation (8 marks)
The efficiency (8 marks)
Figure 1
Describe the characteristic, advantages, disadvantages and applications of each of the classes (A, AB, B, and C) of power amplifiers (9 marks)
Question 2
(a) Given a voltage divider JFET amplifier that has VDD = 20 V, VP = -4 V, VGSQ = -0.5 V, R1 = 82 M, R2 = 11 M, RD = 2 k, RS = 610 , RL = 10 M and IDSS = 8 mA. Analyze the DC and AC performances of the given JFET amplifier. (25 marks)

Question 3
Construct the summing amplifier based on the Op-Amp circuit that consist of three input signals of V1, V2, and V3 and also one output Vout. (3 marks)

Prove the following equation for the summing amplifier: (8 marks)

Describe four different types of active filter and sketch their expected frequency responses
(8 marks)
Describe the construction, operation and characteristic of Shockley diode. (6 marks)
Question 4
For the given Figure 2
Determinegm0andgm(4 marks)
DetermineAvandAvsin the mid-frequency range(4 marks)
DeterminefHiandfHo(8 marks)
Determine the cut-off frequencies (2 marks)
Sketch the asymptotes of the Bode Plot defined by the cut-off frequencies of part (iv)
(3 marks)
Determine the high frequency response for the amplifier using the results of part (v) (4 marks)
Figure 2
END OF EXAMINATION PAPER
NEB10703Page6of5

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.