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Q. A transmitter is connected to an antenna by a transmission line for which ¯ Z0 = R0 = 50 . The transmitter source impedance is matched tothe line, but the antenna is known to be unmatched and has a re?ection coef?cient
where RL (= ¯ ZL) is the load impedance. The transmitter produces a power of 15 kWin the incidentwave to the antenna andwill be destroyed due to overheat if the re?ected wave's power exceeds 2 kW. Determine the antenna's radiated power in this case and comment on whether the transmitter will survive.
What do you mean by the term procedure? PROC: The PROC and ENDP directives specify the start and end of a procedure. Such directives force structure while the procedure is cle
Explain the different instruction formats with examples The instruction set is grouped into the following formats One byte instruction MOV C,A Two byte instruction
Describe soldering materials and their uses. The process of joining two or more metals is termed as soldering. An alloy of two or more metals of low melting point utilized for
how to measure
Diac Diac is a device which has di electrode and as its name suggests it works on AC. The cross sectional view of a diac is shown if the four layers are PNPN and PNPN .
Q. The block diagram of Figure represents a multi loop control system. (a) Determine the transfer function C(s)/R(s). (b) For G 2 G 3 H 2 = 1, evaluate C(s)/R(s).
The mechanical power produced at the armature of a motor is: P = T a . (power is in watts if torque is N.m and in rad/sec). Some of this will be lost due to friction and
Property of material which allows it to be drawn out into wires is (A) Ductility. (B) Solder ability. (C) Super conductivity.
Absorption of radiation If an atom is initially in a lower state 1, it can rise to a higher stare 2 by absorbing a quantum of radiation. Photon of frequency v where E 1 and E
explain recombination in semiconducters
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