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Q. Basic working of Star Topology?
In Star topology, all user nodes are connected to central node point that interconnects all individual users links and nodes. Data flows from one node, through star centre to desired receiving node. Central node is like a large switch which routes the data from the input line to the output line. Advanced central nodes can have multiple switching paths, so many paths exist at the same time. This topology is used in a telephone system central office. Addition of a new user node requires running just a single link from the star centre to user without disturbing any other node.
Q. Advanced Mobile Phone System? Cellular systems employed cells with a radius in the range of 5-18 km. The base station usually transmitted at a power level of 35 W or less, a
Thermal noise This is the most significant noise in an ampli?er. It is produced by random movements of electrons in the resistors. This is caused by the ?uctuations in the volt
Q. An FM station's modulator has a sensitivity k FM = 5π × 10 4 rad/s·V. A receiver uses a discriminator that has a gain constant of 10 -5 /π V·s/rad. Neglecting noise, determin
consider a single stage ce amplifier with rs=1kohm,r1=50ohm,r2=2kohm,rc=1kohm,rl=1.2kohm,hfe=50,hie=1.1kohm,hoe=25microamp/volt and hre=2.5*10-4
which principle is used in d.c motor
three charge,each
DC Motor The motor which require dc supply to drive them are called DC motors DC motor consist two types of windings. a. Fields Winding b. Armature Winding
Q. What do you mean by Companding? In order to lower the crest factor of a waveform, so as to produce better performance, a process known as companding is used. It works like a
what are the significance of solid state devices in electrical engineering
just to put an assignment Give only short details that are important Specially bised clamper
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