... CSN200 Introduction to Telecommunications, Winter 2000 Lecture_ 13 Communication Basics Communication Basics: Signals: Communication happens in the form of signals. Signals ... = A sin(2πft + φ) Lecture 13.doc Page 4 (9) CSN200 Introduction to Telecommunications, Winter 2000 Lecture_ 13 Communication Basics Amplitude: Frequency: Phase: Lecture 13.doc Page 5 ... telephones, toys Lecture 13.doc Page 2 (9) CSN200 Introduction to Telecommunications, Winter 2000 Lecture_ 13 Communication Basics Transducers converting electrical...