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COLOUPuumb COLOD 3. If an ideal 8-bit ADC has a 400 LV RMS quantization noise component,...
sa Date: Apr. 10, 2019 An 8-bit ADC has an input analog range of +5 volts. The analog input signal is t)4 cos (7000Tt). The converter samples the input signal at 8 ksam/s and supplies data to computer 64 kbits/s. The computer re- construct the transmitted signal, x,(C), by using an ideal DAC on the received signal. Determine: (a) The quantizer resolution (or step) (b) Mean squared quantization error (noise) power (c) The folding frequency (d) The reconstructed signal x,...
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...
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?
(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...
An 8-bit ADC has an 18.00-V reference. a. Find the outputs for input of 3.6 V and 86.7 V. b. What range of inputs could have caused the output to become B7H?
5. The TM4C123 has a built in 12 bit ADC, A strain gauge sensor signal conditioning application of the ADC is shown in the figure. The op amp is used for gain and to buffer/drive the ADC. Answer the following questions about the sensor application. (20pts) show your work TM4C123 RI 3.3V 3.3V mid supply bias 1 KD 1.65V ADC R AR strain gauge Gain Bandwidth Product GBW-15 MHz Input referred voltage noise n3 Hz R = 1Ω for 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.
used to minimize the quantization error? A 3 bit A/D convertor that has a range of 10 V is used with a load cell. The load cell sends an analog voltage of 5.5 V to the board. What digital value is returned by the board? 7.
1. (3 points) Review the conceptual operation of an ADC and use the given parameters to find the desired value. parameteint so e ine resourceptuele operation of an adc and use the given a. Your 8-bit ADC has Hi and Lo reference voltages of 1V and 4V, what digital number would result from sampling a 2.0V? b. Your 5-bit ADC has Hi and Lo reference voltages of O and 5V, what input voltage would yield a digital number of 12?...
(a) We have an analogue to digital converter (ADC) described as 8 bit, with a 3V reference and 0V offset. What is the resolution, expressed in millivolts? [2] (b) For an input voltage of 0.6V, what is the digital output value of the ADC described in (a)? Express your answer in both binary and hexadecimal. [3] (c) An industrial oven has a thermometer that outputs a voltage from 0 to 1V for a corresponding range of temperatures of 0 to...