Effects of Negative Feedback in Amplifiers: Decibels of Feedback - Effects of Negative Feedback in Amplifiers can be measured in decibels. A statement that 40 dB of feedback has been…
DC Motor Drives Articles: Types of DC Motor: The commonly used Types of DC Motor are shown in Fig. 5.1. In a separately excited motor, the field and armature voltages…
Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…
Stator Voltage Control of Induction Motor: By reducing Stator Voltage Control of Induction Motor, speed of a high-slip induction motor can be reduced by an amount which is sufficient for…
Drawbacks of Rectifier Fed DC Drives: Drawbacks of Rectifier Fed DC Drives are as follows: 1. Distortion of Supply: Source current of a rectifier has harmonics. In a weak ac…
Optical Fiber Classification: The Optical Fiber Classification of light transmission through a glass fiber depend on many factors, for example: The composition of the fiber The amount and type of…
Construction of Optical Fiber Cable: The manufacture and Construction of Optical Fiber Cable are somewhat complicated: In simple terms, a highly refined quartz tube that will eventually be filled with…
Color TV Transmission: Having discussed the manner of indicating luminance and the two components of chrominance in Color TV Transmission, it is now necessary to investigate how they may be,…