Electronic Systems
26 courses · San Diego City College · 2026-2027 Catalog
Classes: Fall 2026 · Spring 2027
ELDT 123 Introduction to Digital Circuits
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 123L
This course is designed for students majoring in electronics and for students generally interested in electronics. It is an introduction to digital technology with an emphasis on understanding, constructing and troubleshooting digital integrated circuits. Course content includes number systems and codes, truth tables, Boolean functions, combinational logic, flip-flops, shift registers, counters, device characteristics, and programmable logic devices.
ELDT 123L Digital Circuits Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Corequisite
- Completion of or concurrent enrollment in: ELDT 123 with a Grade of "C" or better, or equivalent
This laboratory course is designed to demonstrate introductory concepts of digital technology. Topics include a variety of digital electronic components and circuits. Emphasis is placed on developing skills in designing, analyzing, and constructing simple logic circuits, including basic digital blocks, combinational networks, and sequential networks. This course is designed for students majoring in electronics and those interested in electronics.
ELDT 124 Basic DC Electronics
- Units
- 4
- Hours
- 64 - 72 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 124L
This course is a study of basic electricity and electrical circuit concepts. Course content includes direct current (DC), series and parallel circuits, Ohm's and Kirchhoff's Laws, mesh and nodal analysis, the Superposition Theorem, and Thevenin's and Norton's Theorems. Throughout the course, students apply the concepts of basic electronics to solve problems commonly found in industrial settings. This course is designed for students interested in learning DC electronics.
ELDT 124L Basic DC Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- Concurrent enrollment in: ELDT 124
This laboratory course demonstrates the basic concepts of electricity and electrical circuits and familiarizes students with various electronic components and circuits. Course content is designed to develop students skills in reading schematic diagrams, fabricating simple circuits and safely using basic test equipment for measuring and troubleshooting. Equipment used in this lab includes volt-ohm-amp meters, digital multimeters (DMMs), and power supplies. This course is designed for students interested in acquiring laboratory skills in DC electronics.
ELDT 125 AC Circuit Analysis
- Units
- 4
- Hours
- 64 - 72 hours lecture
- Advisory
- ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent; Concurrent enrollment in: ELDT 125L
This course is a study of alternating current (AC) electronic concepts. Course material includes the study of inductor and capacitor transients in direct current (DC) circuits, alternating current (AC) electronic basics, impedance, phasors, power and energy in series, parallel and combination circuits, network theorems, transformers, passive filters and response curves. This course is designed for students interested in learning AC electronics.
ELDT 125L DC/AC Circuit Analysis Laboratory with Pspice
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent; Concurrent enrollment in: ELDT 125
This laboratory course demonstrates the basic concepts of hands-on and computer-assisted direct current and alternating current (DC/AC) circuit analysis. Equipment used in this course includes oscilloscopes, frequency counters, function generators, digital multimeters (DMM) and microcomputers utilizing industry standard software applications (PSpice). This course is designed for students interested in learning PSPICE and acquiring laboratory skills in AC electronics.
ELDT 126 Using C AND C++ for Technology
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 126L
This course is an introduction to the C and C++ programming languages as they apply to the analysis of the theoretical concepts of electronic technology. The course is structured around a variety of prepared programming assignments that emphasize problem-solving techniques and use of the computer as a problem-solving tool with applications in electronics. Students work with state of the art and industry standard microcomputers, hardware, software application programs, and compilers. This course is designed as preparation for majors in the field of Electronics.
ELDT 126L Using C and C++ for Technology Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- Concurrent enrollment in: ELDT 126
This course provides the laboratory component to the study of C and C++ programming languages as they apply to the analysis of the theoretical concepts of electronic technology. The course is structured around a variety of prepared programming assignments that emphasize problem-solving techniques and use of the computer as a problem-solving tool with applications in electronics. Students work with state of the art and industry standard microcomputers, hardware, software application programs and compilers. This course is designed as preparation for majors in the field of Electronics.
ELDT 143 Semiconductor Devices
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent; Concurrent enrollment in: ELDT 143L
This course is an introductory study of the characteristics and operation of semiconductor devices and their associated circuitry. Emphasis is placed on junction diodes, bipolar junction transistors, power supplies, feedback, linear integrates circuits (ICs), multistage amplifiers, push-pull amplifiers, junction field-effect transistors (JFETs), metal oxide semiconductor field-effect transistors (MOSFETs) and PSpice analysis.
ELDT 143L Semiconductor Devices Laboratory
- Units
- 1.5
- Hours
- 72-81 hours lab
- Advisory
- ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent; Concurrent enrollment in: ELDT 143
This laboratory course focuses on the theoretical concepts of electronic devices and circuits through practical experimentation, PSpice analysis and computer simulation. Course content and materials include circuit operation, testing, troubleshooting and measurement of diodes, transistors and field-effect transistors (FETs), the use of computer-aided engineering software, microcomputers, oscilloscopes, digital multimeters (DMMs), function generators and power supplies.
ELDT 144 OP-AMPS, Sensors and Computers
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 144L; Completion of or concurrent enrollment in: ELDT 143 with a Grade of "C" or better, or equivalent and ELDT 143L with a Grade of "C" or better, or equivalent
This course is a study of operational amplifier theory and circuit applications. Course content emphasizes sensors, transducers, data conversions and the associated circuitry necessary to condition outputs for interface to a computer. Applications to analog-to-digital and digital-to-analog conversions, optical sensors, displacement transducers and instrumentation devices are included. This course is designed as preparation for majors in the field of Electronics.
ELDT 144L OP-AMPS and Sensors Laboratory
- Units
- 1.5
- Hours
- 72-81 hours lab
- Advisory
- Concurrent enrollment in: ELDT 144; Completion of or concurrent enrollment in: ELDT 143 with a Grade of "C" or better, or equivalent and ELDT 143L with a Grade of "C" or better, or equivalent
This course provides the laboratory component to the study of operational amplifier theory and circuit applications. Course content emphasizes sensors, transducers, data conversions and the associated circuitry necessary to condition outputs for interface to a computer. Applications to analog-to-digital and digital-to-analog conversions, optical sensors, displacement transducers and instrumentation devices are included. This course is designed as preparation for majors in the field of Electronics.
ELDT 224 Microprocessor Design
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 224L; Completion of or concurrent enrollment in: ELDT 123 with a Grade of "C" or better, or equivalent and ELDT 123L with a Grade of "C" or better, or equivalent
This course is an applied study of digital circuits in microcomputer systems. Throughout the course, students examine the overall architecture of microcomputer systems, the interfacing of memory and input/output (I/O) devices, and machine language programming for the Z-80 microprocessor
ELDT 224L Microprocessor Design Laboratory
- Units
- 1.5
- Hours
- 72-81 hours lab
- Advisory
- Concurrent enrollment in: ELDT 224; Completion of or concurrent enrollment in: ELDT 123 with a Grade of "C" or better, or equivalent and ELDT 123L with a Grade of "C" or better, or equivalent
This laboratory course demonstrates the application of digital circuits in microprocessor systems. Course content includes assembly of printed circuit boards, troubleshooting of microprocessor-based designs and software/firmware design and troubleshooting.
ELDT 225 Microcontrollers
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Corequisite
- Completion of or concurrent enrollment in: ELDT 123 with a Grade of "C" or better, or equivalent and ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 225L with a Grade of "C" or better, or equivalent
This course focuses on the fundamentals of both the hardware and software aspects of the microcontroller. Typical devices that are connected to the microcontroller are: switches, light emitting diodes, seven segment displays, stepper motors, and a matrix keypad. An engineering evaluation board is used as the development system for the controller. Structured programming and flow charts are emphasized. Code is written in assembly language, compiled, and then downloaded to the controller. This course is intended for students majoring in Engineering Technology.
ELDT 225L Microcontrollers Laboratory
- Units
- 1.5
- Hours
- 72-81 hours lab
- Corequisite
- Completion of or concurrent enrollment in: ELDT 123L with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent and ELDT 225 with a Grade of "C" or better, or equivalent
This laboratory demonstrates microcontroller applications. The course emphasizes microcontroller construction, design, programming and troubleshooting. Students conduct the laboratory with a software development kit (SDK) and microcontroller trainer equipment.
ELDT 227 Introduction to Lasers and Fiber Optics
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 227L; Completion of or concurrent enrollment in: ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent
This course is an introductory study of lasers, optical power meters and laser systems designed to familiarize students with various industry supported lasers/fiber optics families. Emphasis is placed on providing students with a working knowledge of lasers and the ability to troubleshoot in the field. Topics covered include the properties of light, emission and absorption of light, lasing action, the temporal and spatial characteristics of lasers, optical energy, optical fibers, light sources, light receivers, fiber optic geometry, alignment and splicing techniques, communication links, and fiber optic system design.
ELDT 227L Lasers and Fiber Optics Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- Concurrent enrollment in: ELDT 227; Completion of or concurrent enrollment in: ELDT 124 with a Grade of "C" or better, or equivalent and ELDT 124L with a Grade of "C" or better, or equivalent
This laboratory course is designed to familiarize students with the elements and operation of lasers, optical power meters and laser and fiber optics systems through experiments and projects conducted individually and in groups. This course provides students with the opportunity to enhance and further investigate the concepts presented in Electronics Systems 227.
ELDT 228 Communication Circuits
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 228L; Completion of or concurrent enrollment in: ELDT 143 with a Grade of "C" or better, or equivalent and ELDT 143L with a Grade of "C" or better, or equivalent and ELDT 144 with a Grade of "C" or better, or equivalent and ELDT 144L with a Grade of "C" or better, or equivalent
This course is a study of basic communication theory, circuitry, and troubleshooting including transmission and reception of Amplitude Modulated (AM), Frequency Modulated (FM), and digital signals. The course is intended for students seeking careers in radio, TV and digital data communication technology, and the telecommunication industry.
ELDT 228L Communication Circuits and Certification Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- Concurrent enrollment in: ELDT 228; Completion of or concurrent enrollment in: ELDT 143 with a Grade of "C" or better, or equivalent and ELDT 143L with a Grade of "C" or better, or equivalent and ELDT 144 with a Grade of "C" or better, or equivalent and ELDT 144L with a Grade of "C" or better, or equivalent
This laboratory course is a verification of the basic concepts of communication theory and mastery of the basic electronic instruments used in industry. This course is designed to prepare students to take the Associate Electronics Technician (CET) and the 3rd Class Radio Telecommunications Technician (NARTE) examinations.
ELDT 229 Advanced Telecommunications Networks
- Units
- 3
- Hours
- 48 - 54 hours lecture
- Advisory
- Concurrent enrollment in: ELDT 229L; Completion of or concurrent enrollment in: ELDT 126 with a Grade of "C" or better, or equivalent and ELDT 126L with a Grade of "C" or better, or equivalent and ELDT 228 with a Grade of "C" or better, or equivalent and ELDT 228L with a Grade of "C" or better, or equivalent
This course is a project-oriented study of local, metropolitan and wide-area network hardware system design, installation, maintenance and troubleshooting. Hardware topics presented include topologies, transmission media, access and interfacing techniques, and hardware technologies utilized include Fiber Distributed Data Interface (FDDI), Asynchronous Transfer Mode (ATM), Fast Internet and Token Ring. This course prepares students to take the Network Plus exam.
ELDT 229L Advanced Telecommunications Networks Laboratory
- Units
- 1
- Hours
- 48-54 hours lab
- Advisory
- Concurrent enrollment in: ELDT 229; Completion of or concurrent enrollment in: ELDT 126 with a Grade of "C" or better, or equivalent and ELDT 126L with a Grade of "C" or better, or equivalent and ELDT 228 with a Grade of "C" or better, or equivalent and ELDT 228L with a Grade of "C" or better, or equivalent
This is a team project-oriented course that familiarizes students with the hardware and software needed to establish, run and maintain advanced telecommunications networks at the local, metropolitan and wide-area levels.
ELDT 232 Advanced Computer Design and Interfacing
- Units
- 4
- Hours
- 64 - 72 hours lecture
- Prerequisite
- ELDT 225 with a Grade of "C" or better, or equivalent
This course is an advanced, practical study of operating systems, microprocessor and microcontroller chips, system configurations, and bus architecture from a systems design perspective. This project-oriented course examines microprocessor machine language programming, hardware devices, hardware designs, system clock generation, bus characteristics, tri-state characteristics, buffers, input/output (I/O) techniques for interfacing to various peripherals, major microprocessor and microcontroller families, timing diagrams, memory, and chip-level troubleshooting. This course is intended for students wanting to gain detailed knowledge about design, interfacing, and programming of microprocessor and microcontroller systems.
ELDT 232L Advanced Computer Designs Laboratory
- Units
- 1.5
- Hours
- 72-81 hours lab
- Advisory
- Completion of or concurrent enrollment in: ELDT 225 with a Grade of "C" or better, or equivalent and ELDT 225L with a Grade of "C" or better, or equivalent
This is a practical course designed as a verification of the student's understanding of the theoretical concepts of computer and microcontroller based designs through construction and testing of a complete microcontroller system. Throughout the course, students work with several pieces of electronic test equipment currently used in the industry in order to build and troubleshoot their projects. Students are expected to locate and purchase necessary components and bread boarding materials. This course is intended for students wanting experience in designing, constructing, and testing advanced microprocessor and microcontroller systems.
ELDT 270 Work Experience
- Units
- 1-4
- Hours
- 54 - 216 hours other
A program of on-the-job learning experiences for students employed in a job related to their major. One unit of credit may be earned for every 54 hours of work experience. A maximum of fourteen credit hours for all work experience subject areas may be earned during one enrollment period.
ELDT 290 Independent Study
- Units
- 1-3
- Hours
- 48-162 hours other
For advanced students in Electronic Systems or Electro-Optical Technology who wish to pursue special problems and projects relating to their particular subject area. The student meets with the instructor at specific intervals and is expected to do primary research, analyze problems and submit reports.