Friday, June 19, 2015

What is Thermal Noise?

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Thermal Noise is the random fluctuation in voltage caused by the random movement of charge carriers above absolute zero (273K).  Thermal ...
Thursday, March 12, 2015

Google App engine | Unsupported major.minor version 52.0

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This error will occur when one compiles the Java program using JDK 1.8 and deploys to app engine. The project works fine in the local serve...
Saturday, January 10, 2015

Analog Electronics (BJT) GATE Previous questions and solutions.

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Here are some of Analog Electronics (BJT) GATE Previous questions. The answers can be found in the link at the end of the page. 1)   A Ca...

Identify the feedback topology of Amplifiers.

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 There are four basic feedback topologies. They are 1) Voltage-Series 2) Voltage -Shunt 3) Current- Series 4) Current-Shunt. But wait...
Thursday, December 25, 2014

2.5V to 10V Boost Converter simulation

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Calculation Vo=10V Vi=2.5V For Boost Converter, the duty cycle of the pulse required is D=1-(Vi/Vo)=0.75 It is normal to ope...
Sunday, December 14, 2014

Difference between diffusion capacitance and depletion/transition capacitance

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The reactance of a capacitor is given by Xc=1/2*pi*f*C. At lower frequency, Xc is very very large and we can treat it as open circuit. Howe...

Semiconductor theory | Reverse saturation current and forward bias voltage

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The behavior of PN junction is different for reverse saturation current and forward bias voltage when the temperature is increased. Let...