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Q. Explain about Frequency Shift Keying?
In this scheme frequency of the carrier signal is changed according to the data. Transmitter sends different frequencies for a "I" than for a "0" as displayed in Figure. Disadvantages of this technique are that again (as it was with amplitude modulation) the rate of frequency changes is limited by bandwidth of the line and that distortion caused by the lines makes detection even harder than amplitude modulation.
The voltage across a 1 - μF capacitor is given. Which is the sinusoidal expression for the current? a) 30 sin200t b) 70cos (800t - 20°) At what frequency will the re
what is that mean and explain
Determine the disadvantages of GPS system - Maps not up to date hence instructed to carry out an incorrect manoeuvre (for example turn into a road that no longer exists) -
advantages and disadvantaages of superposition
Draw an electrical relay diagram rung showing a N/O contact of CR1(coil) in series witha N/C contact of CR2(Coil), operating a lamp L1. A delay-on (TON) relay has a preset of 5.
Electrical Fundamentals 1. An aircraft company has decided to replace the copper cables to the main aircraft generators onboard it's Boeing 747s with aluminium cables that are
Q. Regions of operation in BJT ? Transistor find many applications like amplifier, switch etc. depending upon the polarity and the magnitude of the applied voltages across the
Find the current through each resistor for the networking below using Mesh Analysis and Nodal Analysis.
Q. Explain polyphase induction motor? The polyphase induction motor operates with polyphase alternating current applied to the primary winding, usually located on the stator of
LDAX Load Accumulator Indirect Instruction This instruction is used to copy data from memory location pointed by register pair only BC or DE to the accumulator HL pair
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