Circuits and systems based on delta modulation : linear nonlinear and mixed mode processing Delta Modulation Systems. Some Existing Approaches of Linear Arithmetic Operations on Binary Delta Modulated Pulse Stream. Basic Ternary Logic Circuits. Arithmetic Operations on Multi Valued Delta Modulation Systems. Nonlinear Arithmetic Operations on Delta Modulated Pulse Stream. Mixed Processing of Delta Modulated Pulse Stream. Decoding of First Order Delta Sigma Sequences. PCM Delta Sigma Mu Converters. Stochastic Processing using Delta Sigma Mu. Measurements Based on Delta Modulation. Delta Sigma Compander Circuits