what is the difference between pre-emphasis and modulation?

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Balun is a transformer which changes a). unbalanced to balanced line b). balanced to unbalanced line c). zero to infinite impedance d). input like transformer

3 Answers   Cisco,

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what is am transceiver.

0 Answers  

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three phase electronic energy meter have how much voltage in combined both r,y,b & why?

1 Answers  

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In which of the following is an operational amplifier (op-amp) used? a. Oscillators b. Filters c. Instrumentation circuits d. All of the above

4 Answers  

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What is avalance breakdown?

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What is meant by optical space communication ?

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why the cb amplifier ckt is considered to be most stable?

1 Answers   TATA,

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what is microprocessor and microcontroller

4 Answers  

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WHEN A SIGNAL x(t) GIVEN TO DIFFERENTIATOR Gives y(n); when y(t) is multiplied by sinusoidal signal gives a positive sided sinusoidal signal, what is the laplace transform of x(t)& y(t)? y(n) ?

1 Answers  

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Give an Example for negative feedback and positive feedback?

0 Answers  

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What is scada

2 Answers  

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