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Digital Electronics Guidebook - 2002
The Digital Electronics Guidebook was originally written as an introduction to digital electronics. In it, I start from basic electronics, working through Ohm's law through to transistors and on to digial gates. The book was written to provide a good background not only to digital electronics but also the supporting topics (including simple power supply design, test equipment and simulators).
There are more than 20 circuits that you can build yourself. These circuits range from simple digital gate demonstrators, to different digital clocks and a simple computer. In this book, I have taken pains to make sure that I emphasize the operation of the electronic circuits and not reduce them to digital models. For example, in the book, I have included a TTL inverter circuit that you can build out of resistors, diodes and transistors, to help you to understand how TTL works. When you have worked through the projects, you will have a low level understanding of how digital electronics work.
Included with the book is a PCB that will provide you with a +5 Volt power supply and LED/switch input/output board that can be plugged into a standard "breadboard". These two circuits will provide you with the basis of a TTL home or classroom laboratory for just a few dollars and will eliminate the need for you to wire in input and indicator circuits and let you focus on the digital circuits themselves.
I have been surprised by the initial feedback I received for the book. It seemed that this book has been used by a number of older and experienced engineers as a refresher and a reference. This was nice as the book was written as an introduction to digital electronics and having it validated in this way was a nice surprise.
Chapter 1 - Introduction to Electronics
Ohm's and other basic DC laws
Measuring Voltage and Current
Basic electronic devices and their symbols
Transistors
Integrated Circuits
Programmable Logic Devices
Chapter 2 - Engineering Mathematics
Numbering systems
Number bases
Chapter 3 - Setting up your own digital electronics lab
Electronic components
Breadboard prototyping system
Project 1 - Breadboard power supply
Project 2 - Interface PCB
Project kit parts list
Datasheets
Chapter 4 - Boolean logic and digital electronics
Boolean logic
The basic TTL gates
Project 3 - Testing gates
Combining and optimizing boolean logic operations
Project 4 - Sum of products decoder
Project 5 - Bit adders
Sequential and memory circuits
Project 6 - D flip flop
Project 7 - Binary counter
Chapter 5 - Power supplies
Mains voltage conversion
Power requirements
Linear voltage regulators
Battery power
Chapter 6 - Test equipment
Digital multimeters
Logic probes
Examining the binary counter
Oscilloscopes
Logic analyzers
Chapter 7 - Digital electronics in an analog world
Decoupling chips
How digital circuits are implemented
Project 8 - Discrete-component TTL gate
Project 9 - CMOS touch switch
Logic analogs
Project 10 - AND gate in use
Pull-ups/pull-downs
Line impedances
Passing data between digital and analog devices
Comparators
Conversion between analog and digital
Signal integrity
Chapter 8 - Simulators
Low-cost simulators
Midrange simulators
High-end SPICE-based simulators
Project 11 - Real world to simulator comparison
Chapter 9 - Common digital circuits
Oscillators
The 555 timer chip
Project 12 - Binary clock
Time delays
Push button switches
Project 13 - Bounce counter
Shift registers and synchronous serial communications
Linear feedback shift registers
Project 14 - Random light generator
Buses
Project 15 - Parallel bus operation
Project 16 - Bus contention
State machines
Project 17 - Digital dice
Chapter 10 - Hardware interfacing
Combining input and output
LEDs
Asynchronous serial communications
Phototransistors and opto-isolators
Switch matrix keypads
Analog signal I/O
Pulse-width-modulation I/O
Complex analog output
Relays and solenoids
DC and stepper motors
AC current control
Project 18 - Hexadecimal bus interface
Project 18a - Keypad
Project 18b - Data display
Project 18c - Address display/compare
Project 18d - Interface
Chapter 11 - Computers as digital devices
Processor architectures
Instructions and software
Buses and device addressing
Peripheral functions
Software development tools
Project 19 - TTL chip computer system
Chapter 12 - Creating your own applications
Requirements definition
Developing a qualification plan
User interfacing
Chapter 13 - Debugging projects
Characterizing problems
Hypothesizing and testing your hypothesis
Fixing the problem and verifying the result
Appendix A - Common digital electronics parts
Appendix B - Project assembly techniques and prototyping
Appendix C - Useful tables and data
Appendix D - Resources
Glossary
Index
Softcover: 0-07-1377781-6
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