Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / hari
CDMA mean CODE DIVISION MULTIPLE ACCESS.
This is system in which edge is divided based on code not
on frequency. Where as in GSM it was divided based on
frequency.
Because of the above reason in CDMA it may be possible that
two users are having same frequncy even though they are in
same area.
| Is This Answer Correct ? | 6 Yes | 1 No |
Post New Answer View All Answers
What is meant by pulse triggered devices?
What is a log file and what it stores during drive test?
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?
sir i want syllabus for junior engineer §ion engineer.
hai i am balaji now i applied for the post of section engineer in rrb chennai............ if any body know the question peper and pattern of written exam please send to me
Why opamp called operational amplifier?
Define the limitations in the operation conditions of a p-n junction.
Define what are the main purposes for which a cc amplifier may be used.
The number of columns in a state table for a sequential circuit with m flip-flops and n inputs is
Explain why regeneration is not possible in semiconductor
What do you mean by effect of noise on carrier signal & what is noise segment
how to test the mobile tower signals? and which software tool & hardware tools used for test the mobile tower?
Define what do you understand by collector reverse saturation? In which configuration does it have a greater value?
What is effective communication?
sir, pls mail me the previous question papers of RRB Junior Engineer Gr-II Drawing
