Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sarem
E1 is a group of voice Chanel and signaling Chanel.
1E1 is equal to 32 Chanels.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)
Explain what is a truth table?
Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?
Explain the function of cyclo-converter?
Define cmrr of an opamp?
Explain what are the advantages of using a voltage follower amplifier?
What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
What are the effects of ageing or using second hand IC or other electronic components?
What is the necessity of heat sink?
How to convert a binary number into bcd number directly and vice-versa, without converting it into any other number system?
Explain full duplex and half duplex.
Why opamp called operational amplifier?
i need to get a project idea on msp430 microcontroller can anyone help me
How is the inverter circuit classified based on commutation circuitry?
checking procedure of i.g.b.yt & diode by multimeter...
