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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.
Explain PUBLIC For large programs several small modules are linked together. In order that the modules link together correctly any variable name or label referred to in other m
how to upload the program on proteus software by using personal computer
Q. The voltage across a parallel combination of a 100- resistor and a 0.1-µF capacitor is 10 cos(5000t +30°) V. Determine the admittance of the parallel combination and find the c
ON output plot of a JFET n-channel transistor if ID is close to IDSS does the value of VGS close to VP?
Explain Polarization. Polarization: A dielectric has molecules the atomic nuclei of that are effectively fixed, related to each other. In absence of any external field all the
Q. Tone used in stronger telephony? Dial Tone: This tone is used to specify that exchange is ready to accept dialled digits from subscriber. Subscriber must start dialling only
discuss the factor affecting the emf induced in electric machines
Give three reasons why a chamfer shouldn't be considered an "unimportant" dimension. When conducting an audit, what is the first step and what is its purpose? Why will calcul
NAND Gate NAND means NOT AND it complements the output of an AND gate. The symbol of NAND by a NOT gate. Generally Not operation is represented by a bubble as shown
Q. Explain working of Public Switched Telephone Network? Public Switched Telephone Network (PSTN) accommodates two kinds of subscribers: private andpublic. Subscribers to priv
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