ABSTRACT
This chapter begins with some very technical definitions of terms frequently encountered when dealing with computing and/or communications. Computers and other processors recognize only two states which can be indicated as switch on and switch off. There are several codes and several kinds of codes. In order to understand solid state electronics the reader must first understand the atomic structure of elements. Waveforms are a graphical representation of the direction and amplitude and constant period or timing of voltage or current. Biphase coding has pulses going in the positive and negative direction during each period. In telecommunications, the term modulation is used for the process of changing an analog waveform to digital as well as changing an analog waveform attribute in a measured method to reproduce digital information. The authors have serialized and coded the bit stream into a transmission format such as bi-phase or Manchester and then modulated an analog carrier with the digital bit stream.
