Microprocessor Based Protection Relay

Microprocessor Based Protection Relay: Reliable and accurate protection schemes are required for any system. Microprocessors can fulfill these requirements without fail. In addition to the system protection, microprocessors can perform…

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Measurement of Physical Quantities

Measurement of Physical Quantities: Measurement of Physical Quantities is given by Displacement Measurement Strain Measurement Force Measurement Torque Measurement Pressure Measurement Temperature Measurement Water-Level Indicator Measurement and Display of Speed…

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Measurement of Electrical Quantities

Measurement of Electrical Quantities: Measurement of electrical quantities which includes Measurement of Voltage Measurement of Current Frequency Measurement Phase-Angle Measurement Power-Factor Measurement Impedance Measurement VA Measurement Power Measurement VAR Measurement…

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Internal Architecture of 8275 CRT Controller

Internal Architecture of 8275 CRT Controller: The 8275 programmable CRT controller is a single-chip device that generates all the signals which are used for interfacing a microprocessor system. The main…

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8255A Programmable Peripheral Interface

8255A Programmable Peripheral Interface: 8255 is a programmable peripheral interface IC and is a multiport input/output device. This is a general-purpose programmable I/O device, which may be used with many…

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8259A Programmable Interrupt Controller

8259A Programmable Interrupt Controller: 8259A Programmable Interrupt Controller - Microprocessor-based system design requires many I/O devices such as keyboards, displays, sensors and other components. These devices should receive servicing in…

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8288 Bus Controller

8288 Bus Controller: Figure 5.37 shows the 8288 bus controller which is used in the maximum-mode operation of 8086 CPU. This IC receives four inputs such as SÌ…2, SÌ…1, SÌ…0 status…

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Clock Generator 8284A

Clock Generator 8284A: During fetch and execute instructions, the 8086 and 8088 processors require clock pulse which has about 10 ns rise and fall times. The logic 0 level of…

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