Basic Static Relays in Protective System Articles: Basic Elements of Static Relay : The basic elements of a static relay are namely, Input Element: Mixing circuits are needed to sum…
Basic Elements of Static Relay: The basic elements of a static relay are namely, Input Element: Mixing circuits are needed to sum the input signals in a convenient form. Semiconductor…
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…
Delta Modulation(DM): Delta modulation(DM) is process of modulation in which train of fixed width pulses is transmitted. Their polarity indicates whether the demodulator output should rise or fall at each…
Working Principle of Digital Multimeter: Analog meters require no power supply, they give a better visual indication of changes and suffer less from electric noise and isolation problems. These meters…
Important Questions of Integrated Circuits: Give classification of integrated circuits. Compare IC families on the basis of substrate used, structure, active devices, passive devices and applications. What are the different…