Token Ring At the start, a free Token is circulating on the ring, this is a data frame which to…
Two or more amplifiers can be connected in a cascaded arrangement with the output of one amplifier driving the input…
A linear amplifier provides amplification of a signal without any distortion so that the output signal is an exact amplified…
What is Rectifier? A rectifier is a device that simply converts alternating current (AC) into direct current (DC). The way…
Types of Diodes: Small signal or Small current diode - These diodes assumes that the operating point is not affected…
Ethernet Bus: This is a coax based Ethernet network where all machines are daisy chained using RG58 coaxial cable (sometime…
Three Phase Inverter: The topology of a three-phase inverter consists of 3 legs; each leg includes a switch in either…
MAGNETISM There are several relationships between electricity and magnetism. We will explore them one by one. The first relationship we…
In figures below, npn transistors are shown. Supply voltage polarities are reversed for pnp transistors.