Fundamentals of Analog Electronic Technology 5th Edition Tong Hua Cheng Ying Higher Education Press. Fundamentals of digital electronics technology sixth edition. Fundamentals of Electronic Technology comprehensively and systematically introduces the basic knowledge and technology of electronic technology, closely combines basic theory with application, and pays attention to the practicality and frontier of knowledge. The book is divided into 1 1 chapters. The first six chapters are analog circuits, and the last five chapters are digital circuits. The editor organically combines these two parts. The main contents include semiconductor devices, amplifier circuits, integrated operational amplifiers, DC regulated power supplies, logic algebra, logic gates, combinational logic circuits, integrated flip-flops, sequential logic circuits, analog-to-digital and digital-to-analog conversion.