Random Noise Generator Block Diagram and its Working: A simplified Random Noise Generator Block Diagram used in the audio frequency range is shown in Fig. 8.8. The instrument offers the…
Standard Signal Generator Block Diagram and Working Principle: A standard signal generator produces known and controllable voltages. It is used as power source for the measurement of gain, signal to…
Oscilloscope Operating Precautions: In addition to the general safety precautions, the following specific precautions should be observed when operating any type of oscilloscope. Most of the Oscilloscope Operating Precautions also…
Measure of Capacitance and Inductance in Oscilloscope: Measure of Capacitance and Inductance in Oscilloscope - Capacitance may be measured from a capacitor discharge curve. This requires a dc oscilloscope with…
Working Principle of Digital Multimeter: Analog meters require no power supply, they give a better visual indication of changes and suffer less from electric noise and isolation problems. These meters…
Ramp Technique of Digital Voltmeter: Ramp Technique - The operating principle is to measure the time that a linear ramp takes to change the input level to the ground level,…
Average Responding Voltmeter and Peak Responding Voltmeter: A simplified version of a circuit used in a typical average responding voltmeter is given in Fig. 4.23. The applied waveform is amplified…
Chopper type DC Amplifier Voltmeter (Microvoltmeter): Chopper type DC Amplifier Voltmeter the dc input voltage is converted into an ac voltage, amplified by an ac amplifier and then converted back…