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The Department of Telecommunications has issued a notice inviting applications for auction of Spectrum in 700 megahertz, 800 MHz, 900 MHz, 1800 MHz, 2100 MHz, 2300 MHz and 2500 MHz bands. The validity of auctioned Spectrum shall be how many years?
What is the output frequency for the following circuit? R4=30kΩ, R5=40kΩ, C1=5nF.
A GSM cellular telephone standard requires a minimum of 9 dB rejection of interfering signal levels of -23 dBm at 3 MHz from the carrier, -33 dBm at 1.6 MHz from the carrier, and -43 dBm at 0.6 MHz from the carrier, for a carrier level of -99 dBm. Determine the required local oscillator phase noise at 3 MHz carrier frequency offset.
Consider the circuit shown below. Given that R1=20kΩ, C1=2nF, R2=20kΩ, C2=2nF, find the approximate resonant frequency.
The IS-54 digital cellular telephone system uses a receive frequency band of 869-894 MHz, with a first IF frequency range of 87 MHz, one possible range of local oscillator frequency is:
Determine the output frequency for a frequency division circuit that contains 12 flip-flops with an input clock frequency of 20.48 MHz.
A digital CMOS IC operating at 10 MHz clock frequency consumes 100 mW power; the same IC operating at 15 MHz clock frequency consumes 140mW power. What is the static power consumption of the IC?
A communication receiver has an intermediate frequency of 9 MHz. What is the frequency of its oscillator when it is tuned to 15 MHz?
In a low pass filter as below, find the cut-off frequency for the following circuit. Given that R1=20kΩ, R2=25kΩ, C1=10nF.
Find the cutoff frequency for the following circuit. (R1=R2=20kΩ)