digital control systems, including: comparison between analogue and digital signals advantages of digital control systems digital/analogue control system logic gates truth tables digital testing devices numbering systems, including: the binary number system the octal number system the hexadecimal number system binary addition and subtraction conversion between numbering systems binary coded decimal (BCD) Gray code the American Standard Code for Information Interchange (ASCII) combinational logic networks, including: precautions when handling electronic devices due to electrostatic discharge (ESD) truth tables basic operation and characteristics of logic devices logic probes verification of operation of logic circuits logic families and specifications, including: logic families and specifications transistor-transistor logic (TTL) complementary metal oxide silicone (CMOS) logic families the unit load concept specifications and features of TTL, TTL low power Schottky (LS) and CMOS logic families three state and open collector logic input and output voltage characteristics for CMOS and TTL comparison of TTL with CMOS logic families unit load noise margin interfacing different logic families tri-state logic devices encoders and decoders, including: weighted and unweighted codes Gray BCD ASCII half and full adder error detection decoder and encoder integrated circuits multiplexer and demultiplexer integrated circuits flipflops, including: RS flipflops D flipflops JK flipflops truth tables and operation debouncing a switch timing diagrams sequential logic state tables and timing diagrams registers, including shift registers and data latches counters, including: ripple counters using JK flipflops typical integrated circuit types characteristics and operation ripple counters use of feedback to modify count circuit verification of a ripple counter synchronous counters series and parallel data transfer multivibrators interconnecting digital circuits to perform an application digital-to-analogue (D/A) conversion, including: industrial applications of D/A converters summing D/A converters R-2R D/A converters verification of circuit operation of an IC D/A converter analogue-to-digital (A/D) conversion, including: industrial applications of A/D converters digital ramp, dual slope, successive approximation and simultaneous (flash) A/D converters verification of circuit operation of an IC A/D converters display devices, including: liquid-crystal display (LCD) devices light-emitting diode (LED) devices. operation and characteristics seven segment LED displays drive requirements current limiting multiplexed displays seven segment encoding chips emerging display technologies digital fault finding, including: general fault-finding principles common digital faults digital test equipment locating a fault interfacing logic devices to external loads, including: interfacing with a transistor interfacing with a relay solid state switches opto-isolator verification of circuit operation of an opto-coupler programmable logic devices, including: programmable logic devices applications of programmable logic devices types of programmable logic devices comparison between different programmable logic devices programmable array logic (PAL) programmable logic devices (PLD) field programmable gate arrays (FPGA) programming and verifying correct operation of a programmable array logic device relevant job safety assessments or risk mitigation processes, including risk control measures relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures sustainable energy principles and practices system testing and verification techniques diagnostic methods including digital fault finding, including: diagnostic tools, equipment and testing devices digital control systems, including comparison between analogue and digital signals numbering systems, including binary number system, octal number system and hexadecimal number system. |