Pin Diagram of 80486 Microprocessor: The pin diagram of 168-pin PGA (Pin Grid Array) package 80486 is shown in Fig. 11.49 and the schematic Pin Diagram of 80486 Microprocessor is depicted in Fig. 11.50. All…
Static Scherbius Drive: The main limitation of the Kraemer drive discussed is the operation at sub-synchronous range due to diode rectifier. Super synchronous speeds can be achieved if the power is fed to the rotor…
Breakdown of Solid Dielectrics in Practice: There are certain types of breakdown which do not come under either intrinsic breakdown or thermal breakdown, but actually occur after prolonged operation. These are, for example, breakdown due…
Properties of Surfaces and Solids Interview Questions and Answers: 1. Differentiate between Lamina and Body. Ans. The lamina has only area but no mass. The body has volume and mass. 2. Define Centroid. Ans. The…
Protection of Transformers: Transformers are static devices, totally enclosed and generally oil immersed. Therefore, chances of faults occurring on them are very rare. However, the consequences of even a rare fault may be very serious…
Process Control Instructions in 8086: The Process Control Instructions in 8086 are namely, STC CLC CMC STD CLD STI CLI STC Instruction : This instruction sets the carry flag, STC does not affect any other…
Regulated and Switching Power Supplies Interview Questions and Answers: 1. What is a regulated power supply? Ans. A regulated power supply is an electronic circuit designed to provide constant dc voltage of predetermined value across load…
Pin Diagram of 8279: Fig. 14.83 shows functional and pin diagram of 8279. It is a 40 pin device and looking at Fig. 14.83 (a) we can see that these pins are divided in four…
Varactor Diode Operation and Characteristics: Varactor Diode Operation and Characteristics were first used in the early 1950s as simple voltage-variable capacitance and later for frequency modulation of oscillators. They thus represent a very mature semiconductor…
First Order Low Pass Butterworth Filter: The first order low pass butterworth filter is realized by R-C circuit used along with an op-amp, used in the noninverting configuration. The circuit diagram is shown in Fig.…
