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Electronics - ELTR 210

Digital Electronics

• Different number systems and codes: convert numbers in one of the three systems (decimal, binary, hexadecimal) without calculator.
• Describe the format and use of BCD numbers. Convert between a decimal number and a BCD code. Determine the ASCII code for any data by using table.
• Sketch the timing waveform for any binary string in both serial and parallel transmission. Find out the voltage status at any transmission time.
• Calculate the output voltage in a circuit containing diodes and transistors operating as digital switches.
• Describe the operation and use of basic logic gates (AND, OR, NAND, NOT, NOR).
• Build truth tables for 2, 3, 4-input logic gates.
• Draw timing diagrams for basic logic gates.
• Describe the function of ENABLE function and draw ENABLE signal for required outputs.
• Sketch external connections to IC chips to implement basic logic circuits.
• Explain and perform how to use a logic pulser and a logic probe to troubleshoot digital circuits.
• Generate specialized waveforms using Johnson shift counter.
• Write Boolean equations, draw timing diagrams and build truth table for the circuit of combinational gates.
• Utilizing Boolean algebra laws and rules to simplify combinational logic circuits.
• Apply De Morgan’s theorem to simplify combinational logic circuits.
• Apply K-map procedure to simplify combinational logic circuits.
• Describe the operation and use of exclusive-OR and exclusive-NOR gates.
• Build truth tables and draw timing diagrams for exclusive-OR and exclusive-NOR gates.
• Simplify combinational logic circuits containing exclusive-OR and exclusive-NOR gates.
• Design odd- and even-parity generator and checker system.
• Perform binary arithmetic functions: addition and subtraction.
• Convert positive and negative numbers into signed two’s-complement notation.
• Perform addition and subtraction using two’s-complement notation.
• Utilize full-adder ICs to implement arithmetic circuits.
• Utilize an IC magnitude comparator to perform binary comparisons.
• Describe the function of a decoder and an encoder.
• Utilize manufacturer’s datasheets to determine the operation of an IC decoder and encoder. Draw timing diagrams for the ICs.
• Determine IC input and output voltage and current ratings from manufacturer’s datasheets.
• Explain gate loading, fan-out, noise margin, and time parameters.