Parameters: I: Amplitude of source current (default value = 1 Amp) freqHz: Frequency of damped sine wave to be generated (default value = 2 Hz) damping: Damping coefficient of damped sine wave to be generated (default value = 1 Hz) offset: Offset of sine wave to be generated (default value = 0 Amp) rampTime: Initial ramping period (default value = 0 sec) settleTime: Initial settling period (default value = 0 sec)