an oscillator is associated with an basic amplifier for producing oscillations,for production of oscillations the amplifier needs some input voltage but under the oscillation condition the input voltage is zero,why?

5 Answers  

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What is difference between fixed-bias circuit & self-bias circuit?

0 Answers  

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why the hysteresis is necessary?

0 Answers   Patni, TCS,

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In C language,What is the use of f in printf or scanf statement? Whether it indicates the function if so the brief explanation ortherwise what is the main reason behind that f in printf/scanf statements?

0 Answers  

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what is race around condition? in which flop it will occur? how to remove?

4 Answers   Infosys,

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For a type a chopper (first quadrant), express the following variables as a function of vs, r and duty cycle
in case the load is resistive average output voltage and current?

0 Answers  

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Plz tell me the GATE interview question asked for ECE branch?

0 Answers  

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what is Active device and Passive device?

9 Answers  

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how u will measure the polarisation of antenna?

1 Answers   Bosch, Eric,

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What are the basic building blocks of pll?

0 Answers  

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write a programme to identify the biggest number from the given three numbers with out using of relational operators

0 Answers  

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What is the use of ranging?

0 Answers  

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