5. What is the type of demodulation we used to demodulate SSB signal (part-A). Explain your answer.
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- Signal and system plz explain every step that how do thisQ1/ Sketch and describe mathematically the even and odd components of the signal shown in Figure (1) -1-2-012345 Figure (1)4. An RC filter stage (R = 33 0, C = 120 HF) is used to filter a signal of 24 V dc with 2 V rms operating from a full wave rectifier. Calculate the percentage ripple at the output of the RC Section for a 100-mA load. Also calculate the ripple of the filtered signal applied to the RC stage. *****END*****
- The arrow on the symbol of MOSFET indicates O a. that it is a N-channel MOSFET O b. the direction of conventional current flow O c. that it is a P-channel MOSFET O d. the direction of electronsSketch carefully the following signal.in dsp material or signal and systemDescribe the function of signal conditioning in this block diagram. 45V A12V thermocouple 50 mV: output driver microprocessor Fan Select one: O a. To convert from analog signal into digital signal. O b. To invert the voltage signal from positive value into negative voltage value. O . To amplify the voltage signal into standard signal so it can be readable by the microcontroller. O d. To isolate the signal between thermocouple and microcontroller
- -4) Design a circait containing a comparater with a hy steresis loop a. Draw the circuit with all values of the components required for the dksign. b. What is the name of the circuit in (a). c. Sketch the output waveform when the input is a 15-V peak sine wave. d. Adjust the value of RI in the circuit such that the hysteresis width will be 10.hese blockS. c) Explain the difference between the modulator and demodulator blocks and explain the terms up-conversion and down-conversion.. Give the short answer offollowing questions each question carries equal marks Don’t need tobriefly explain Its better to give point to point answer . (a) How zenerdiode is a special diode (b) Explain the difference between zener and avalanche effect (c) Explain break down voltage (d) Draw the symbol of PN junction diode, tunnel diode , Zener Diode. (e) How collector size is more than emitter (f) How NPN transistor is more good as compare to pnp (g) Why collector have more size than emitter
- chose the correct answer for the following:1-An SCR is semiconductor device which consists of:a.Four PN junctionsb. Three PN junctions c. Two PN junctions d. One PN junction-------------------2-Relay control is one of the ....................... applications.a.Triac b. Darlington c. SCR d. DiacLet the values are R1=622.8ohm,R2=915.95 ohm ,The error voltage is =7.9 Volt.and the initial value of output is 5.5 Volt. Vout =A 555 timer configured to run as an astable mode oscillator is shown in Figure 1. If the output is needed to have 30% duty cycle, i) Determine the required value of Rị if R2 = 7kN. ii) Determine the frequency of the output. iii) Draw the charging and discharging phase of capacitor Cext and its relation with the output waveform. ASsume Vcc = 12 V. +Vcc (4) |(8) R1 RESET Vcc (7) DISCH 555 D1 R2 (6) THRESH (3) OUT (2) TRIG (5) CONT GND :Cext 0.01 µF (1) 0.01µF Figure 1
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