Objectives: To familiarize the students with devices and circuit principles with special focus on applications related to instrumentations and measurements. Course contents: Phase-lock loop and its applications - Frequency multiplicationAnalog multiplier and its applications - Log and Antilog amplifiers - Instrumentation amplifiers - Sensors and transducers-temperature, magnetic field, displacement, light intensity, force, etc. Microcontroller - 8051 family - programming and Interfacing, simpl