Suggest another FSK modulation circuit and explain its operation briefly.
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A: The y parameters can be calculated as below.
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- Determine four distinct types of modulation processes.Construct MOD 12 asynchronous counter. What will be the output frequency, if the input frequency is 1 MHz. If the counter is at state 6, what will be the count after 60 pulses.What is PWM (Pulse Width Modulation), and how is it used in microcontroller applications? Provide examples of practical use cases for PWM.
- 3. What happens if the inverting & non-inverting i/p of the comparator interchanged? 4. Are there any limitations of such a vCO? Explain 5. Explain how a sine wave can be generated from such a VCO circuit. 6. List some applications for such a Vco.What is the purpose of low pass filtering a PWM source? To minimise noise produced by the PWM pulses To improve PWM efficiency To increase the amplitude of the PWM signal To rectify the PWM signalAn analog signal is to be coded by an ADC. The signal contains significant frequencies up to 6MHz. The quantization error in any one sample value must be within ± 0.5% of the peak-to- peak amplitude range of the ADC. How many binary digits must each sample contain?
- An analog signal is to be coded by an ADC. The signal contains significant frequencies up to 6MHz. The quantization error in any one sample value must be within ± 0.5% of the peak-to-peak amplitude range of the ADC. How many binary digits must each sample contain?. Draw the hierarchy of digital modulation techniques.Q2/ One input to an AM DSBFC modulator is an 800 kHz carrier with an amplitude of 40 vp. The second input is a 25 kHz modulating signal whose amplitude is 1O vp. Determine a. Upper and lower side frequencies b. Modulation coefficient and percent modulation c. Maximum and minimum positive peak amplitude of the envelope d. Draw the output frequency spectrum e. Draw the envelope