FinalThe following figure, presents the frequency synthesizer of an FM receiver.The 'Programmable frequency divider' is set to divide the frequency by 535.Determine the output frequency of the VCO in MHz.[Course Learning Outcome 10]Varactor-tunedlocal oscillator98.8-118.6 MHzVCO outputFrequency prescaler+8Programmablefrequency divider494 to 593Crystaloscillator100 kHzRLOTKVaractor tuningvoltageLoopfilter25 kHzPhasedetectorFrequencyscaler25 kHz4ho

Step 1: Step 2: Step 3: Step 4:

Answered: Final The following figure, presents…

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter32: Standby Power Systems

Section: Chapter Questions

Problem 7R: Briefly explain the function of a transfer switch. _____

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Find the mathematical expression for the points 1 and 2 for this pratical AM-DSB/SC modulator
What are specifications of Analog modulation techniques?
2. Consider Figure 1.a) Find and draw an orthonormal basis function set for the signal set given in Figure1a. Apply Gram-Schmidt orthogonalization procedure and show your calculationsteps. Describe the signals in terms of the orthonormal bases. Draw the signalconstellation diagram.b) For Figure 1b, using the orthonormal basis set you derived in Question 2a, describethe signals in terms of the orthonormal bases. Draw the signal constellationdiagram.c) Combine the signal sets in Questions 2a and 2b. You must add another signal setto this combination, so that sum of all the signals ultimately form an efficient 8-QAM modulation scheme. Find and draw this signal set and also describe them interms of the orthonormal bases.
Another way to describe the modulation index is using the a. Capture ratio b. Deviation constant c. Maximum deviation d. Deviation ratio
Suppose the output of a balanced modulator has a center frequency of 10 MHz. The audio modulation frequency range is 1 kHz to 10 kHz. To pass the USB, what should be the center frequency in MHz of an ideal crystal filter?
2. a) Design a 9v DC oscillator circuit that produces a frequency of 500 Hz. The circuit may use a 555 timer or two transistor design(s). Show all calculations including the DC currents and bias voltages. Include the schematic and the required frequency formula(s). b) As a bonus, if a larger load were required to be connected to the chip, how would the schematic look and what components would be used to do design it? Also, as a theoretical approximation, if the 9v battery had a rating of 4 amp-hours, how long would it last powering this circuit? Show calculations to illustrate how you arrived at the answer.
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Ex. 1915. An Arduino analog input voltage is 3.160 volts. Arduino PWM output pin drives a low-pass filter, as shown in Figure 1915. The low-pass filter converts the PWM signal back to an average-DC voltage. Arduino specifications include: I/0 voltage range of e to 5VDC; 10-bit A/D input; and an 8-bit D/A PWM output. an analog output DC volage at the low-pass filter. Determine (Vout - Vin). The analog input DC voltage results in
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