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E1 Telphony link, analysis of performance parametersThe European E1 digital telephone system transmits at 2048 kbps and the DS-1 system carries data signals in the US at 1.544 Mbps.a. How many voice channels are carried by a E1 transmission given 8 kHz sampling and 8 bit words?b. Why is an end of frame marker always required in a digital telephony system?c. What is the typical distance between repeaters for an DS-1 signal sent over a twisted pair telephone line?
First you must give all different possible connection types for them and then, for each case, you should develop some tests that can define the connection type and calculate the current passing through the capacitors.
Shielding Effectiveness with copper and steel at equality, Determine the frequency at which two 1 mm thick shields, one made of copper and the other of steel
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
What effect do internal capacitances in the transistor model have on practical performance of a real system? How would you use these model values to predict system performance?
Evaluating Coding Gain, CNR, and BER of a DSSS-CDMA Transmitter, a. A DSSS-CDMA transmitter sends message signals at a rate of 5.0 kbps using a long chip sequence with a rate of 1 M chips per second. In the receiver, what is the processing gain (a..
Current Pulses over a Twisted Pair Telephone Line, A twisted pair telephone line has a constant attenuation between 0 Hz and 3300 Hz and linear phase shift with frequency
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
What is the bandwidth occupied by this signal, and the noise bandwidth of the receiver for this signal? Find the BER at the receiver output and the average time between errors.
Interface binary Input Output devices to the microcontroller
This assignment contains electronics engineering questions like State the commonly found components of a SCADA (Supervisory control and data acquisition) system. and decribe the function of the HMI in a SCADA system.
Rain affects the downlink from the satellite and the overall CNR ratio in the receiver falls by 6.0 dB to 13.0 dB. What is the bit error rate and the time between errors now?
Determine the range of values of K such that the system is stable for s(s²+4s+10)+ k (s+5)=0
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