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A communication system for a voice-band (3 kHz) channel is designed for a received SNR Eb/N0 at the detector of 30 dB when the transmitter power is Ps =-3 dBW. Find the value of Ps if it is desired to increase the bandwidth of the system to 10 kHz, while maintaining the same SNR at the detector.
Q. Explain Computer-aided circuit analysis? A word of caution is appropriate if this is the student's first experience with simulation. Just as the proliferation of calculators
Triode Mode When V GS > V th and V DS GS - V th ) The transistor is turned on, and a channel has been created that allows current to
The resistivity of pure copper is 1.56 micro-ohm -cm. An alloy of copper contains 1 atomic percent nickel has a resistivity of 2.81 micro-ohm-cm. An alloy of copper containing 3-
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
SHLD Store HL pair Direct Instruction This instruction is used to store the contents of HL register pair to memory address specified in the instruction and the next ad
Define NOT Gate - Microprocessor? The NOT GATE which is as well called an Inverter, is used to invert the logic state of a signal. The output Q is true while the input A is NOT
speed control of single phase ac motors
Explain the Synchronous Up-Down Counters? The circuit of a 3-bit synchronous up-down counter and a table of its sequence are shown below. Alike to an asynchronous up-down count
Give some applications of manganin. Manganin is alloy of nickel, copper and manganese. This is used shunts in measuring instruments, for making their coils and for making pr
Q. A shift register can be used as a binary (a) divide by-2, and (b) multiply-by-2 counter. Explain. Show a block diagram of a 4-bit shift-right register using JKFFs.
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