This book is meant to serve as a textbook for BE, B. Tech, and communication, instrumentation, control, and electronics engineering students. It will also be used as a text reference for engineering diploma students. The book would be very helpful for Amie, GATE, UPSC engineering services, IAS C, and idate as well. Each chapter's subject matter was deliberately developed from the ground up. Written in an extremely basic language. Concepts are explained in plain language. Numerous carefully chosen and worked examples. simplest techniques are employed. Solutions to difficulties are provided in step-by-step fashion. ideal for independent study.