Graduate Aptitude Test in Engineering (GATE) is apparently the toughest examination for engineering students. Every passing year the competition becomes more and more cut-throat with the growing number of candidates. It is no surprise that every aspiring engineering student wants to crack this examination as it provides boundless opportunities for post graduation courses at IISc and IITs, as well as for much sought-after job prospects in various PSUs and the government sector. This first edition of and #39, GATE in 75 Days and mdash, Electronics and Communication Engineering and, is written in accordance with the latest pattern and syllabus of GATE examination. The entire curriculum is demarcated into a 75-day segregation such that the student can complete it all in an easy, step-by-step manner in just 75 days. Arranging the content day-wise enables the student to cover the syllabus in a planned and timely manner. Prepared by authors who are well-qualified, proficient and reputed in their respective subject areas, this book strives to make every chapter distinct yet equally effective. This book is prepared exclusively for the aspirants of GATE, IES and all other and #39, Electronics Engineering and #39, competitive examinations. With adequate content to hone theoretical skills as well as ample solved problems for practice, the aspirants will be able to achieve success in the upcoming GATE examination.