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Q. Explain Wireless electromagnetic channels?
Wireless electromagnetic channels are used in wireless communication systems, in which the electromagnetic energy is coupled to the propagation medium through an antenna that serves as a radiator. The physical size and configuration of the antenna depend mainly on the frequency of operation. For example, a radio station transmitting AM frequency band of 1 MHz (with a corresponding wavelength of λ = c/fc = 300 m) requires an antenna of at least 30 m (approximately one-tenth of the wavelength).
Q. Show the Direct connection or one to one topology? In the one to all topology, there is a path between every node and every other node. The number of paths required is defin
explain how microwave intergrated circuits differ from conventional intergrated circuit stating the technologies
diagram for full wave bridge circuit single phase,full wave centre tap circuit and haif wave rectification circuit
What is the power of the signal transmitted by powerful cell phones? Ans) The powerful cell phones can transfer a signal of 3 watts.
Q. Counter-controlled analog to digital converter? Figure shows the block diagram of a counter-controlledA/Dconverter. Resetting the binary counter to zero produces D/A output
Q. What do you mean by Output Voltage Swing? Ideally this is equal to the difference between the two supply rail voltages, although in practice it is a few volts less.
Use the offset diode model with a threshold voltage of 0.6 V to determine the value of v 1 for which the diode D will first conduct in the circuit of Figure(a).
Q. What is Autotransformers? In contrast to a two-winding transformer, the autotransformer is a single-winding transformer having a tap brought out at an intermediate point. Th
Hai.. i have been given a open loop transfer function to draw a bode plot with a particular K value and they asked me to find the value of K for which the phase margin becomes 45d
Q. What is the need of MODEM in data communication? Need of Modem: Modems are used to interface computers, computer networks in addition to other terminal equipment to teleco
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