Delmar's Standard Textbook Of Electricity
7th Edition
ISBN: 9781337900348
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 27, Problem 5PP
To determine
The missing values in the given table.
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A) Complete the table of values for this circuit:
B) Draw the schematic include polarity
(choose R1, R2, R3, R4, R5 and assume that 300 β = , all resistors must be greater than zero) such that the following specifications are met: • Minimum open loop gain, Aol, 40dB (can be more, this is the minimum requirement) • Input current (at input terminals) <1uA • Power dissipation DC P ≤20mW • VCC=10V, VEE=0VI NEED HELP, I WANT ONLY TO CALCULATE THE RESISTORS
80 V
300 Ω
t = 0
500 i(t)
Vc(t)
40 nF
2,5 mH
-
Chapter 27 Solutions
Delmar's Standard Textbook Of Electricity
Ch. 27 - What is a transformer?Ch. 27 - What are common efficiencies for transformers?Ch. 27 - What is an isolation transformer?Ch. 27 - All values of a transformer are proportional to...Ch. 27 - What is an autotransformer?Ch. 27 - What is a disadvantage of an autotransformer?Ch. 27 - Explain the difference between a step-up and a...Ch. 27 - A transformer has a primary voltage of 240 V and a...Ch. 27 - A transformer has an output of 750 VA. The primary...Ch. 27 - A transformer has a turns ratio of 1:6. The...
Ch. 27 - What do the dots shown beside the terminal leads...Ch. 27 - A transformer has a primary voltage rating of 240...Ch. 27 - If the windings of the transformer in Question 12...Ch. 27 - The primary leads of a transformer are labeled 1...Ch. 27 - You are working in an industrial plant. You must...Ch. 27 - You have been given a transformer to install on a...Ch. 27 - EP120VIPNP300TurnsRatioEs24IsNsZ=3Ch. 27 - EP240VIPNPRatioEs320VIsNs280Z=500Ch. 27 - EPIPNPRatio1:2.5Es160VIsNs80TurnsZ=12Ch. 27 - Prob. 4PPCh. 27 - Prob. 5PPCh. 27 - ES480VIPNS275turnsRatioESISNS525turnsZ=1.2kCh. 27 - ...Ch. 27 - ...
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- 11-2) Now consider that white noise (i.e., noise with a PSD that is constant with frequency) is introduced in the channel of the system described in the previous problem. An ideal low pass filter is used at the receiver input to reduce the noise as much as possible, while transmitting the desired signal. (a) By what factor should the cutoff frequency of the noise reduction filter be reduced in the 16-PAM case, compared to binary? (b) By what factor will the noise power at the decision circuit be reduced in the 16-PAM case? (c) By what factor will the noise amplitude at the decision circuit be reduced in the 16-PAM case? (d) To obtain the same symbol error rate for 16-PAM as for binary, how should the minimum level spacing for 16-PAM compare to binary? (e) If the 16-PAM level spacing is adjusted according to part (d) above, by what factor will the average signal power be increased in the 16-PAM case, compared to binary?arrow_forward11-1) similar to Lathi & Ding, Prob. P.6.7-5 Data at a bit rate Rb must be transmitted using either binary NRZ polar signaling or 16-ary PAM NRZ polar signaling. (a) By what factor will the symbol rate be reduced in the 16-PAM case? (b) By what factor will bandwidth required from the (lowpass) channel be reduced in the 16-PAM case? (c) Assuming the minimum spacing between pulse levels must be the same in both cases, by what factor will the average power be increased in the 16-PAM case? [Hint: take the pulse amplitudes to be ±A in the binary case, and ±A, ±3A, ±5A,..., ±154, and recall that scaling pulse amplitude by a factor k scales the pulse energy by a factor R². Assume that the data is random, so that all 16 levels are equally likely, and that the same pulse shape is used in both cases.] Warning: Solutions to the textbook problem that are posted online are mostly wrong. Work it out for yourself.arrow_forward11-3) similar to Lathi & Ding, Prob. P.6.8-1 Consider the carrier modulator shown in the figure below, which transmits a binary carrier signal. The baseband generator uses polar NRZ signaling with rectangular pulses. The data rate is 8 Mbit/s. (a) If the modulator generates a binary PSK signal, what is the bandwidth of the modulated output? (b) If the modulator generates FSK with the difference fel - fco = 6 MHz (cf. Fig 6.32c), determine the modulated signal bandwidth. Binary data source Baseband signal generator Modulated output Modulator N-E---arrow_forward
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