Q2, (b) Calculate the Frequency in the following 555 timer if R1=10002, R2= 100N and C1= 250µF? (5) (PLO1, CLO1, CLO3)
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A: Given data, C1 = 2.5 F. C2 = 1.5 F. C3 = 2 F. C4 = 2 F.
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- 16) For the CRO display of a pulse waveform, the time/cm is on 18.7 ms/cm and the volt/cm switch is on 5 V/cm. The width of one complete cycle is 16.2 cm and the height of the pulse is 3cm. The time period will be___________________ seconds. 30294.00 0.33 0.00 0.30The total turn ON time of SCR is 21 . If the sum of spread and rise time is 19 , the delay time of the device is _________________. a. 2 μs b. 30 μs c. 59 μs d. 40 μsas one file in the final exam answers submission link. B1. For the CRO square voltage waveform is shown in Figure. The 'time/cm' switch is on 2 ms/cm and the 'volts/cm' switch is on 20 V/cm. Calculate (a) the periodic time, (b) the peak to peak voltage, (c) the maximum voltage, (d) the time taken to complete half cycle. [4 Marks] The periodic time The peak to peak voltage The maximum voltage The time taken to complete half cycle
- used a 10KHz frequency PWM signal (default). The FTM0 timer was driven by a 60MHz bus clock. Is it possible to produce a 1KHz frequency PWM signal using the same 60MHz bus clock frequency? Yes No Show your calculation to support your answer for the above question: (Hint: use max timer count and clock period)Draw the state diagram to detect sequence 10110. Also write its verilog codeRipple counters are also called O a. VLSI counters O b. Asynchronous counters SSI counters O d. Synchronous counters Given in the figure is PLA circuit, used to imnlement the Pooloan fu
- 4- A 100 MHz clock signal clocks a synchronous digital circuit. The longest delay allowed for a combinational circuit at this synchronism is Choose an option:A. 1 ns.B. 10 ns.C 50 ns.D. 5 ns.E. 100 ns.Question 7) For the following 555 timer, R1 = 3.6 0, R2 = 2 0, and C1 = 0.25 F, find: a. Period b. Frequency R1 c. Duty cycle 3 555 R2We write the following code to configure a time delay of around 0.25 seconds. LDI R17, 0XDF L1: LDI R16, Value L2: NOP NOP NOP NOP DEC R16 BRNE L2 DEC R17 BRNE L1 We assume 1MHZ clock frequency. Which of the following is correct ? Select one: a. Value = 217 b. Value = 190 c. Value = 178 d. None of the Above
- An AVR microcontroller is driven by an 8 MHz crystal. Which of the following statements should be used to configure timer 2 in order to generate the waveform shown below? Assume Fast PWM mode is used. Frequency = 0.977 KHz Duty Cycle =30% %3D Select one: OCR2 = 89; TCCR2 = 0×6A; OCR2 = 63; TCCR2 = 0×6C; OCR2 = 50; TCCR2 = 0×6A; %3D OCR2 = 76; TCCR2 = 0×6B;If RBO & RBI =0, what is the value of the 7 segment display??(c) Sketch a complete flow chart of digital clock circuit by using the terms listed in Figure Q3(c). Display on LCD Sec. Display Min. Display Hour Display & Alarm Figure Q3(c)