Microprocessor Based Instruments

Microprocessor Based Instruments: Microprocessor Based Instruments - Digital instruments are designed around digital logic circuits without memory. The use of microprocessors as an integral part of measuring instruments has given…

Continue Reading Microprocessor Based Instruments

Automation in Digital Instruments

Automation in Digital Instruments: Automation in Digital Instruments - One of the advantages of digital multimeters is their ease of operation. The reading is easy to take and does not…

Continue Reading Automation in Digital Instruments

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…

Continue Reading Universal Counter Timer

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.…

Continue Reading Digital Frequency Meter

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…

Continue Reading Working Principle of Digital Multimeter

Microprocessor Based Ramp Type DVM

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…

Continue Reading Microprocessor Based Ramp Type DVM

Successive Approximation Type DVM

Successive Approximation Type DVM: The Successive Approximation Type DVM principle can be easily understood using a simple example; the determination of the weight of an object. By using a balance…

Continue Reading Successive Approximation Type DVM