Optoelectronic Devices Articles

Optoelectronic Devices Articles: Light Units: The total light energy output, or luminous flux (Φs), from a source can be measured in milliwatts (mW) or in lumens (1m), where 1 Im…

Continue Reading Optoelectronic Devices Articles

Audio Power Amplifiers Articles

Audio Power Amplifiers Articles: Transformer Coupled Class A Amplifier: Class A Circuit – Instead of capacitor coupling, a Transformer Coupled Class A Amplifier may be used to ac couple amplifier…

Continue Reading Audio Power Amplifiers Articles

Optocoupler Circuit Operation

Optocoupler Circuit Operation: An Optocoupler Circuit Operation (optoelectronic coupler) is essentially a photo-transistor and an LED combined in one package. Figure 20-35(a) and (b) shows the typical circuit and terminal…

Continue Reading Optocoupler Circuit Operation

BJT Power Amplifier with Op Amp Driver

BJT Power Amplifier with Op Amp Driver: BJT Power Amplifier with Op Amp Driver Circuit Operation - The Class-AB power shown in Fig. 18-39 uses an operational amplifier (A1) for…

Continue Reading BJT Power Amplifier with Op Amp Driver

Quasi Complementary Output Stage

Quasi Complementary Output Stage: The Quasi Complementary Output Stage was originally developed because complementary high-power transistors were not readily available. Despite the fact that such transistors are now available, the…

Continue Reading Quasi Complementary Output Stage

IC Linear Voltage Regulators

IC Linear Voltage Regulators: 723 IC Regulator - The basic circuit of a 723 IC Linear Voltage Regulators in a dual-in-line package is shown in Fig. 17-20. This IC has…

Continue Reading IC Linear Voltage Regulators

Control System Performance

Control System Performance: From the foregoing discussion on control systems it can be seen that the be­haviour of the control systems can be specified, based on several time domain specifications.…

Continue Reading Control System Performance

Electronic Devices and Circuits Articles

Electronic Devices and Circuits Articles: This Electronic Devices and Circuits Articles which includes the following topics: Introduction to Semiconductor Materials and Devices Conduction in Solids Conductor Semiconductor and Insulator P…

Continue Reading Electronic Devices and Circuits Articles