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Unformatted text preview: Binary A B C G H 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 1 1 1 1 1 Verify that the circuit will actually perform the desired function by filling out the following truth table (additional circuit points D, E, F are shown on the circuit). Use the truth table rules for NAND gates given in "Notes on Digital Circuits". Comparator Outputs Intermediate Levels Binary output A B C D E F G H 0 0 0 1 0 0 1 1 0 1 1 1 Page 2 of 2 3. A-to-D Converter. How many comparators would be needed for a 4-bit A-to-D converter? Suppose you wished to digitize an analog signal that ranged from +1 V to +5 V with an 8-bit A-to-D converter. What would the resolution, V , be? [ V is the smallest change in analog input voltage that would cause a change in the digital representation of the signal.] 4. D-to-A Converter. Design and sketch a 3-bit D-to-A converter for a system with a logic HI voltage V HI = 5 V, and a maximum output voltage of V max = 4 V....
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This document was uploaded on 02/05/2012.
- Fall '09