why we use -48V in nokia BTS

0 Answers   TNS,

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How can i display output voltage of my Power supply(DC) on the seven segment display ?? which IC is used?

0 Answers   BEL,

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WHAT IS THE ADVANTAGES AND DISADVANTAGES OF CMOS INVERTER?

4 Answers   KarMic,

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write down a program to that reads the data from port 02H, count the number of 1's in the data and display the count on port 03H in 8085 microprocessor

0 Answers  

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Explain the operation of multistage control of ac voltage controllers with neat diagram?

0 Answers  

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draw the interface diagram of 8085 microprocessor having input ports at 23H, 2FH, EFH, and output ports at 44H, 2FH, EFH, and FFH using NAND gates only.

0 Answers  

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what is a tetrode transisitor ? show the structure of such a device and indicate the polarity of the biasing voltage applied to each element?

0 Answers  

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is transformer, active or passive device? name some active and passive devices.

9 Answers   HSBC,

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I am abscent to the external exam due to illness then what happen

0 Answers  

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What is the differance between synchronous&asynchronous?

2 Answers   Infosys, Reliance Communications,

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why we used -48 dc volt for telecom equipments ?

2 Answers  

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Hr round and technical

0 Answers   Hindalco,

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