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Crossed Field Amplifier

Crossed Field Amplifier: The Crossed Field Amplifier is a microwave power amplifier based on the magnetron and looking very much like it. It is a cross between the TWT and…

Effects of Ground on Antenna Performance

Effects of Ground on Antenna Performance: The Effects of Ground on Antenna Performance on a detailed discussion of the interaction (see Figure 9-11). Ungrounded Antennas: As was know, when a radiation…

Noise and Frequency Modulation

Noise and Frequency Modulation: Noise and Frequency Modulation is much more immune to noise than amplitude modulation and is significantly more immune than phase modulation. In order to establish the…

Theory of Frequency Modulation and Phase Modulation

Theory of Frequency Modulation and Phase Modulation: Frequency Modulation and Phase Modulation is a system in which the amplitude of the modulated carrier is kept constant, while its frequency and…

Sample and Hold Circuit

Sample and Hold Circuit: Four basic sample and hold circuit are shown in Fig. 14.141. In these circuits a JFET is used as switch. During the sampling time the JFET…

Supply Systems Articles

Supply Systems Articles: Advantages of High Transmission Voltage : The Advantages of High Transmission Voltage at high voltages due to the following reasons : (i) Reduces volume of conductor material:…

Sub Stations Articles

Sub Stations Articles: Busbar Arrangements in Substations : Busbar are the important components in a sub-station. There are several Busbar Arrangements in Substations that can be used in a sub-station.…

Introduction to Modern Power System Articles

Introduction to Modern Power System Articles: Cogeneration Power Plant : Considering the tremendous amount of waste heat generated in thermal power generation, it is advisable to save fuel ... Deregulation…