Square Law Detector Circuit and Working Principle: The square law detector circuit is used for demodulating moduÂlated signal of small amplitude (i.e., below 1 V) so that the operÂating region may be restricted to the…
Extraction of Metals using Electrolysis - Zinc and Aluminium: Extraction of metals is an electrochemical process used for the production of metal with commercially acceptable purity. There are two methods of extraction of metals depending…
8259 Block Diagram: Fig. 14.71 shows the internal 8259 Block Diagram. It includes eight blocks : data bus buffer, read/write logic, control logic, three registers (IRR, ISR and IMR), priority resolver, and cascade buffer. Data…
DC Motor Reversing Switch Diagram: DC Motor Reversing Switch Diagram is shown in Fig. 5.34(a). A fully-controlled rectifier feeds the motor through a reversing switch RS which is used to reverse the armature connection with…
Waveguide Switch Design: It is often necessary to prevent microwave power from following a particular path, or to force it to follow another path; as at lower frequencies, the component used for this purpose is…
Antenna Coupling: Antenna Coupling : Low and medium frequency antennas are the ones least likely to be of resonant effective height and are therefore the least likely to have purely resistive input impedances. This precludes…
Difference between Commercial Liquid Dielectrics and Pure Liquid Dielectrics: The difference between Commercial Liquid Dielectrics and Pure Liquid Dielectrics is given below Commercial Liquid Dielectrics - Commercial liquids are insulating liquids like oils which are…
Power Frequency Overvoltages in Power Systems: The Power Frequency Overvoltages occur in large power systems and they are of much concern in EHV systems, i.e. systems of 400 kV and above. The main causes for…
Multiply Excited Magnetic Field System: Multiply Excited Magnetic Field System - Singly-excited devices discussed earlier, are generally employed for motion through a limited distance or rotation through a prescribed angle. Electro-mechanical transducers have the special…
Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola's first 16-bit microprocessor. The 68000 is not program compatible with Motorola's family of 8-bit microprocessors. For the designing of instruction set the Motorola has given more…