Universal Counter Timer

Universal Counter Timer: All measurements of time period and frequency by various circuits can be assembled together to form one complete block, called a Universal Counter Timer. The universal counter…

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Digital Measurement of Time

Digital Measurement of Time: Principle of Operation of Digital Measurement of Time - The beginning of the time period is the start pulse originating from input 1, and the end…

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Digital Frequency Meter

Digital Frequency Meter: Principle of Operation of Digital Frequency Meter - The signal waveform is converted to trigger pulses and applied continuously to an AND gate, as shown in Fig.…

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Working Principle of Digital Multimeter

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…

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True RMS Voltmeter

True RMS Voltmeter: True RMS Voltmeter - Complex waveform are most accurately measured with an rms voltmeter. This instrument produces a meter indication by sensing waveform heating power, which is…

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Differential Voltmeter

Differential Voltmeter: The Differential Voltmeter technique, is one of the most common and accurate methods of measuring unknown voltages. In this technique, the voltmeter is used to indicate the difference…

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DC Meter

DC Meter: The most commonly used dc meter is based on the fundamental principle of the motor. The motor action is produced by the flow of a small amount of…

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7 Segment Display using Gaseous Discharge

7 Segment Display using Gaseous Discharge: Segmented gas discharge display work on the principle of gas discharge glow, similar to the case of Nixie tubes. They are mostly available in…

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