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sa Date: Apr. 10, 2019 An 8-bit ADC has an input analog range of +5 volts....
Q2) A unipolar 14 bit ADC measures 0 – 8 volts full scale. a. What is the minimum resolvable voltage (or voltage resolution)? [Hint: resolution decrease as you increase the volts full scale] b. What is the percent quantization error? [Hint: percent quantization error for unipolar 10 bit ADC, 1 V full scale is: (resolution/max voltage) x100% or (975μV/1V) x100% = 0.0975%] c. What is the percent quantization error if a 1 volt max signal is input? [Hint: same resolution...
Q2. Answer the following questions a) An ADC converter is required to digitize a -5 to +5 volts analog signal to a resolution of b) The analog input is 0-5 volts and VRH 5, VRL 0. The ADC reading is $24. What is the c) How is the HCS12 ADC powered up? How long must the program delay before using the 10 mV. How many bits are required? analog input voltage for a 10-bit conversion? ADC after powering it up?...
A bipolar 8 bit ADC measures 0 – 4 volts full scale. a. What is the minimum resolvable voltage? b. What is the percent quantization error? c. What is the percent quantization error if a 1 volt max signal is input?
COLOUPuumb COLOD 3. If an ideal 8-bit ADC has a 400 LV RMS quantization noise component, what would be the noise component for a 5-bit ADC having the same input range?
Q1) Digital-to-Analog Conversion The signal shown in the figure below is inserted to a 5-bit ADC converter Considering, the useful range of the converter is 0-3V, draw the values obtained in the ADC output register when the sampling time is a) 1ms, and b) 0.5ms 3 1.5 16 [ms] 8 0 12 a) 4t ms Reg. value 16 ms] 12 4 0 b) 4t 0.5ms Reg. value 16 t [ms] 12 4 8 Q1) Digital-to-Analog Conversion The signal shown in...
1900) An analog input module uses an A/D converter with 8-bit resolution. The module range is -10 volts to +10 volts. Calculate the module output (digital count) when the input voltage is 3.7 volts. 1) floating point calculation, 2) discrete rounded result (actual digital count), 3) answer-2 minus answer-1 and 4) voltage resolution or smallest detectable change (volts). Assume the minimum digital value is zero. ans:4 thats all that was given to me
An 10-bit analog-to-digital converter (ADC) has a voltage range of 0 to 12 V and a digitization uncertainty of ±1 LSB. What is the maximum uncertainty if the digitization is for a 12 V signal? What is the maximum uncertainty for a 18-bit ADC, and for 43-bit? If this ADC has a conversion time of 73 μs, then what is the highest frequency that can be accurately digitized while satisfying the Nyquist criterion? Answer with proper significant figures.
(5) A PCM system encodes samples using an 8-bit ADC. In the case of peak signal amplitude, estimate the signal to quantization noise ratio in dB (6) The output SQNR of a 10-bit PCM was found to be insufficient at 30 dB. To achieve the desired SQNR of 42 dB, an increase to the number of quantization levels was needed. Determine the fractional increase in the transmission bandwidth required. (7) A signal x(t) band-limited to 3kHz is sampled at a...
a. An 8-bit successive approximation ADC has a reference voltage of 10 V. Calculate the resolution of this ADC. b. The analog input voltage to the ADC in part a is 6 V. Can this input voltage be represented exactly? What digital code represents the closest value to 6 V? What exact analog value does this represent? Calculate the percent error of this conversion.
23. The number of quantization levels of a 5 bit Analog to Digital converter is _____ a. 64 levels b. 128 levels c. 16 levels d. 32 levels 24. If a timer is running a PWM output signal with period T=1 ms then for a 50% duty cycle, Ton is? 0.75 ms 1 ms 25 ms 0.50 ms 25. An 8-bit timer/counter can have a maximum value of ________ 63 255 127 511