what is receiver device in ir receiver which catch over signal of ir?

0 Answers   HCL,

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We use two different bands for GSM/DCS communications; GSM900 and DCS-1800. Which one is the better of the two in terms of quality and coverage?

1 Answers  

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Explain the concept of frequency re-use.

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why dose response of a phototransistor depent upon the wave length of the incident light?

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I am a fresher and i have done testing course from orbit institute hyd.can any1 say me whether it is necessary to do project in testing.if it is that which is best institute in hyd.can you please inform me if there is any job 4 freshers.thanxs

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What is the main factor for controlling the thermal generation and recombination?

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tell 10 points about indian education and foreign education?

0 Answers   Accenture, CTS,

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being an ECE student,why do want a job in software field??

2 Answers   ADP, TCS,

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If R1=R2, then B=0.5, the total time T of square wave in astable multivibrator using op-amp is A T=RC B T=2 RC ln 3 C T=2 RC ln 2 D T=2RC ln (1+ 0.5)

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what is a mixed adder

1 Answers  

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Telecom BSS related ques: For cascaded 1800 BTS with master 900 BTS,if 900 master BTS is down for its own equipment fault,cascaded slave 1800 BTS gets down/stop carrying traffic without any fault as BCCH and other controllong channels are in master 900 BTS.Is there any technology/system to turn the slave 1800 BTS to a single 1800 BTS autometcally when 900 master BTS is down for its own equipment fault???It is possible to make the slave 1800 BTS single live BTS manually.But I want to know the autometic system/process.if there is any....if not available, how can we generate the system??

3 Answers   Ericsson, Grameen Phone, Nokia, TATA, Telecom,

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What is the distance from an RF Transmitter that output power is determined?

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