Direct Digital Control

Direct Digital Control: Developments in digital electronics have led to many industrial processes being computer controlled. The first system used was Direct Digital Control (DDC), in which a computer measured…

Continue Reading Direct Digital Control

What is a Digital Integrated Circuit?

What is a Digital Integrated Circuit? In an integrated circuit, components such as diodes, transistors, resistors, inductors etc. are integral parts of the chip. And on surface of this chip,…

Continue Reading What is a Digital Integrated Circuit?

Microprocessor Controlled Bridge

Microprocessor Controlled Bridge: Microprocessor Controlled Bridge - Digital computers have been used in conjunction with test systems, bridges, and process controllers for several years. In these applications, computers were used…

Continue Reading Microprocessor Controlled Bridge

Current Limit Control of Drives

Current Limit Control of Drives: Current Limit Control of Drives scheme of Fig. 3.3 is employed to limit the converter and motor current below a safe limit during transient operations.…

Continue Reading Current Limit Control of Drives

Network Protocols in Digital Communication

Network Protocols in Digital Communication: "Intelligent" (microprocessor-controlled) switching systems have become the hubs of intelligent networks. Terminal devices and line connection equipment have also been given microprocessor "brains," and thus…

Continue Reading Network Protocols in Digital Communication

Switching Systems in Digital Communication

Switching Systems in Digital Communication: If only two sites are to be connected, switching is not required. The two facilities are interconnected on a point-to-point basis. However, switching is likely…

Continue Reading Switching Systems in Digital Communication

Indirect Synthesizer

Indirect Synthesizer: Indirect Synthesizer: The required frequency range in most synthesizers nowadays is obtained from a variable voltage-controlled oscillator (VCO), whose output is corrected by comparison with that of a…

Continue Reading Indirect Synthesizer