Explain each component of the block diagram of a frequency counter. - Input: - Accurate time-base / clock: - Decade dividers and flip-flop: - Gate: - Counter/ latch: - Display:
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Explain each component of the block diagram of a frequency
counter.
- Input:
- Accurate time-base / clock:
- Decade dividers and flip-flop:
- Gate:
- Counter/ latch:
- Display:
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Solved in 2 steps
- A frequency counter is gated on for 10 ms and counts 540 pulses from a periodic input signal . What is the input frequency? a) If the gate time is changed to 100 ms , approximately how many counts would you expect from the same source during the gate time? b) In what way does the change in the gate time affect the resolution?Draw the schematic of a modulo-6 syncrhonous counter (counting sequence is 010, 110, ...). The counter has the following features: Asynchronous Reset is Active High A value D can be loaded into the counter, using the Load signal, which is Active Low.A 9-bit asynchronous counter has a 128-kHz clock signal applied. (1) What is the MOD number of this counter? MOD number = (ii) What will be the frequency at the MSB output? fmsb = (iii) Assume that the counter starts at zero. What will be the count after 635 input pulses? After 635 input pulse, Count =
- Which statement describe a digital signal? a. is a smoothly and continuously varying voltage or current. b. will take on finite set of voltage levels. c. take on all possible values of amplitude. d. can have an infinite number of values in a range2) Convert Hexa-decimal to Octal a. 7E6A(16)=?(8) b. C350(16)=?(8) c. 9E36.7A(16)=?(8) d. EADD.EBEF(16)-?(8)1. Consider the CRC generator shown below. Determine the output of the CRC circuit (i.e. Q4 Q3 Q2 Q1 Q0, expressed as a decimal number) for the input sequence "1010" (input one bit at a time, left to right). Assume the CRC circuit is initialized to state 11111. D Q0 Q2 Q4 Q1 Q3 Clock - Data In
- 6. Which of the following is not a type of signal is... a. analog signalb. Chain signalc. Binary signald. Dict signale. digital signalb. Obtain the waveform of output states Q and for the SR when the input condition as in figure 5 is given. Figure 5 c. List out any five operating characteristics of flip flops. Q4 a. Based on your understanding on amplifiers and Oscillator, explain the operation of Hartley Oscillator, principle of operation and highlight the main applications. (write short note 80 words) b. For the given circuit in figure 6, determine the upper and lower frequencies of oscillation and also the Hartley oscillators bandwidth. +Vce RC HE (100. 200 PA L. mll La 2 ml Figure 6Write VHDL code for a modulo-13 counter (counting sequence is 010, 110, …. 1210). The counter has the following features: a synchronous Active High Reset a value R can be loaded into the counter, using the signal Ld (Load) The signal Ld is active High Draw the schematic of your counter, showing the inputs and outputs. Show the number of bits for R, Q (output of the counter), Ld.
- Which statement is not true for a source encoder? a.reduces the size of the data b.Converts analog information to discrete signal c.Removes redundancy d.Converts digital input to pulsating signal(a) Consider the flipflop circuits below: (i) Name the 2 circuits given in the figure. Explain how they are different from each other. a. b. (ii) Choose from the list the input that triggers data to travel to the next flipflop in a counter. A: Input at top NAND gate B: Input at bottom NAND gate C: Clock input clk QSuppose an analog-digital converter IC ('chip") inputs a voltage ranging from 0 to 3.5 volts DC and converts the magnitude of that voltage into an 8-bit binary number. How many discrete "steps" are there in the output as the converter circuit resolves the input voltage from one end of its range (0 volts) to the other (3.5 volts)? How much voltage does each of these steps represent?