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Design and Simulation of Moore Logic Circuit based SAR Analog to Digital Converter
Osama Q.J. Al-Thahab, Hanaa Mohsin Ali
Pages - 14 - 26 | Revised - 15-09-2012 | Published - 25-10-2012
MORE INFORMATION
KEYWORDS
ADC, s, Logic Circuit, Moore Sequential
ABSTRACT
In this work the circuit of 4 bit successive approximation Register Analog to digital converter is designed and simulated by using Multisim 11 program. Here the proposed circuit is designed with the sequential synchronous logic circuit idea by using Moore theory for the first time, so the state diagram is built and then implemented by using J-k flip flop, the proposed circuit is tested by DC and AC input voltages, so that the maximum voltage is 5 v and minimum voltage is 0 v, and so the step voltage will be 0.3125 v. SAR ADC needs Digital to Analog circuit, Latch circuit, and comparator which compare between the input voltage and the voltage results from the DAC, and all these circuits were built in this work with all they needs.
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Dr. Osama Q.J. Al-Thahab
Babylon University - Iraq
oalthahab@yahoo.com
Mr. Hanaa Mohsin Ali
Babylon University - Iraq
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