Digital Measurement of Frequency (Mains): Digital Measurement of Frequency (Mains) - The conventional method of measuring the frequency of an electrical signal consists of counting the number of cycles of…
Decade Counter Circuit: A Decade Counter Circuit is of flip-flops (F/Fs) in cascade, which counts in the base 10 (decimal number system). This means that there is a sequence of…
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.…
Microprocessor Based Ramp Type DVM: A basic block diagram of a Microprocessor Based Ramp Type DVM and its operating waveform is shown in Fig. 5.17 (a) and (b) respectively. Depending…
Principles of ADC (Analog to Digital Conversion): Principles of ADC - The input signal is compared with an internally generated voltage which is increased in steps starting from zero. The…
Integrating Type DVM (Voltage to Frequency Conversion): The principle of operation of an Integrating Type DVM is illustrated in Fig. 5.5. A constant input voltage is integrated and the slope…
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,…
AC Voltmeter using Half wave Rectifier | AC Voltmeter using Full wave Rectifier | Multirange AC Voltmeter: AC Voltmeter using Half wave Rectifier - If a diode D1 is added…