Solid State Voltmeter

Solid State Voltmeter: Solid State Voltmeter - Figure 4.13 shows the circuit of an electronic voltmeter using an IC OpAmp 741C. This is a directly coupled very high gain amplifier.…

Continue Reading Solid State Voltmeter

Solid State Modulator/Demodulator Circuit

Solid State Modulator/Demodulator Circuit: A solid state modulator/demodulator circuit is shown in Fig. 14.41. The trans­former T is driven by an ac source and couples each secondary connected to the…

Continue Reading Solid State Modulator/Demodulator Circuit

Voltmeters and Multimeters Articles

Voltmeters and Multimeters Articles: 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…

Continue Reading Voltmeters and Multimeters Articles

Electronic Instrumentation Articles

Electronic Instrumentation Articles: This Electronic Instrumentation Articles which includes the following topics: Introduction to Electronics Instrumentation Static Characteristics of Measuring Instruments Errors in Measurement Types of Static Error and Sources…

Continue Reading Electronic Instrumentation Articles

High Voltage Test on Radio

High Voltage Test on Radio: Many electrical apparatuses like transformers, line conductors, rotating machines, etc. produce unwanted electrical signals in the radio and high frequency (television band, microwave bands, etc.)…

Continue Reading High Voltage Test on Radio

Commutation in DC Motor

Commutation in DC Motor: Commutation and commutator wear and tear of the dc motor must be given due consideration when the motor operates on solid state converters. Spark-less commutation must…

Continue Reading Commutation in DC Motor

PLC Components

PLC Components: A PLC is a solid state device designed to perform logic functions previously accomplished by electro-magnetic relays. Basically, the PLC Components is an assembly of solid state digital…

Continue Reading PLC Components

PLC Hardware

PLC Hardware: PLC hardware falls into the following physical configuration: Fixed Input/ Output (I/O) and Modular I/O. 1.Fixed 1/0 PLCs A fixed PLC Hardware consists of a fixed, or built-in,…

Continue Reading PLC Hardware