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- . Find the analog output voltage of a 5-bit digital to analog converter for any five inputs. Assume the value of K = 1. . What is the percentage resolution of a 8-bit digital to analog converter (DAC).Assume a digitization of a unipolar signal that can change between 0 to 9V volts into 4 bit digital equivalent. Calculate the resolution and the number of quantized levels. Show the graph of the ADC. Show your complete solution.What is the Nyquist sampling rate for each of the following signals? a. A low-pass signal with bandwidth of 200 KHz? b. A band-pass signal with bandwidth of 200 KHz if the lowest frequency is 100 KHz?
- 3. What is the minimum number of bits required to have resolution 0.5 psi or better given a pressure sensor with range 0-100 psi and sensitivity 30 mV/psi?Q7/ For an electronic circuit, a signal to noise power ratio of 30db and a bandwidth of 2.7kHz, the Shannon limit for information capacity is - a) 24.9 kbps Ob) 25.9 kbps Oc) 26.9 kbps d) 27.9 kbpsQuestion 1: A. Given an 8 bit ADC, find its resolution (step size) for producing a digital signal for an analog input ranging 260 - 516 V. Draw the first and last 3 steps of a table with 3 columns showing the analog ifiput-digital output numeric relationship. B. The frequency of an analog signal is 23 MHz. What is the minimum sampling frequency for representing it in digital form, according to the Nyquist theorem? Explain with the help of a diagram what happens if Nyquist theorem is not obeyed.
- If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?1) What is the major factor that makes coaxial cable less susceptible to noise than twistedpair cable? (a) Inner conductor (b) Diameter of cable (c) Outer sheath (d) Insulating material 2) Aliasing can be defined as errors occurring when (a) The sample rate exceeds twice the input frequency.(b) The bandwidth is less than the input frequency.(c) The number of bits per sample is low.(d) The sampling signal has been incorrectly identified. 3) In _______encoding, three levels are used: positive, zero, and negative. (a) Unipolar RZ (b) Bipolar RZ (c) Polar NRZ (d) Manchester NRZ 4) The ________ rate defines the number of data elements sent in 1sec; the ______ rate isthe number of signal elements sent in 1sec. (a) data; signal (b) signal; data (c) bit; baud (d) baud; bit5) The channel capacity of a noiseless channel can be improved by (a)Increasing the signal-to-noise ratio. (b) Decreasing the channel bandwidth.(c) Applying error correction technique. (d) Applying M-ary modulation scheme. 6)…An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are and
- A 12-bit analog-to-digital converter (ADC) advertises an accuracy of the least significant bit (LSB). If the input range of the ADC is 0 to 10 V, what is the accuracy of the ADC in analog volts?Question 4: A data signal has a frequency >1MHz, but there is unwanted signal at about 100Hz. i) Design a high-pass filter (the circuit is as shown in Figure 3) that attenuates the unwanted signal by 98%. ii) What is the effect of the measurement signal at its minimum of 1MHZ?Suppose a signal travels through a transmission medium and its power is reduced to one-half. What is the attenuation in decibel?