Digital Measurement Techniques
The second edition of this highly successful text is intended for use as an introductory course or a second course in Instrumentation. The reviewers comments on the first edition helped refine and crystallise related material leading to the reorganisation of chapters and addition of: Software-controlled measurements Time interval measurement when the two events occur arbitrarily, and to indicate the order of occurrence, and a practical set up for the time interval measurement Multi-phase sequence indicator Decibel meter Input circuitry of a frequency counter Measurement of low-frequencies in a narrow band Basics of ac bridges Quality and dissipation factor measurement by phase compensation technique Impedance measurement in the Cartesian coordinate form Worked examples provided to illustrate the concepts Unsolved problems to help students develop skills in using theory
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accuracy analog analog-to-digital converter attenuator auto-ranging binary biquad block diagram buffer amplifier capacitance capacitor circuit shown clock frequency clock pulses consistors converter coprime counter counting cycle derived digital measurement digital ratio display Electron equal Example G-ladder gate given by eqn Hence IEEE Trans impedance input voltage Instrum integrator interval inverting ladder DAC maximum method micro-controller Minimal realizations minimum number minimum spread modulation index monostable n-m sampling non-inverting notch filter Note null condition number of resistors number of samples number of switches op-amp operation oscillator phase meter Prob programmable gain amplifier quantization error range Rathore T. S. ratio RC circuit realization reduced reference voltage resistance values sample and hold sampled signals Schmitt trigger shown in Figure signal frequency switched-capacitor theorem threshold voltage total number transistor TV-bit Vernier voltage V0 wattmeter waveforms zero