Electronics & Microprocessors

A P Godse

Semiconductors and RectifiersClassification of solids based on energy band theory - Intrinsic Semiconductors - Extrinsic semiconductors - P type and N type - PN junction - Zener effect - Zener diode characteristics - Half wave and full wave rectifiers - Voltage regulation.Transistors and AmplifiersBipolar junction transistor - CB, CE, CC configuration and characteristics - Biasing circuits - Class A, B and C amplifiers - Field effect transistor - Configuration and characteristic of FET amplifier - SCR, Diac, Triac, UJT - Characteristics and simple applications - Switching transistors - Concept of feedback - Negative feedback - Application in temperature and motor speed control.Digital ElectronicsBinary number system - AND, OR, NOT, NAND, NOR circuits - Boolean algebra - Exclusive OR gate - Flip flops - Half and full adders - Registers - Counters - A/D and D/A conversion.8085 Microprocessor Block diagram of microcomputer - Architecture of 8085 - Pin configuration - Instruction set - Addressing modes - Simple programs using arithmetic and logical operations.Interfacing and Applications of Microprocessor Basic interfacing concepts - Interfacing of Input and Output devices - Applications of microprocessor Temperature control, Stepper motor control, Traffic light control.