What is capacitor?

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we r saying that low pass rc filter will allow low frequency components n attenuates the high frequency components..but at low frequency reactance offer by capacitor is high..it will act as open circuit..hence there will no output..but practically we getting output. how?

2 Answers  

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What does the pinch off voltage refers to in a mosfet?

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Explain why nand-nand realization is preferred over and-or realization?

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What is Biasing?

21 Answers   Nokia, TCS,

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Explain we take the area of collector wide comparison to base and emitter. Why?

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can you use a small battery in place of every decoupling capacitor.

0 Answers   HCL,

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Explain what is an adder or summing amplifier?

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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 are the limitations of the basic integrator circuit?

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How will you send and receive data to a micro-processor? (One method is I/O mapped I/O which is the other one?)

1 Answers   DRDO,

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What is meant by gain-bandwidth product? What is its significance?

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