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Archive for the ‘4.DEVICES’ Category

Zener Diodes

January 18, 2014 Leave a comment

 

There are two physical mechanisms that can produce this behavior in the breakdown region. One is the Zener effect in which the large electric field in the depletion region causes electrons to be removed from the covalent bonds in the silicon.

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Categories: 4.DEVICES, Diode

Mutual Inductance

August 1, 2013 Leave a comment

Mutual inductance occurs when two circuits are arranged so that the change in current in one causes a voltage drop to be induced in the other.

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Categories: 4.DEVICES, Inductor

Inductors

August 1, 2013 Leave a comment

• Hydraulic analogy
• Duality with capacitor
• Charging and discharging

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Categories: 4.DEVICES, Inductor

Self Induction

August 1, 2013 Leave a comment

Lecture Outline

  • Concept of Self-Inductance
  • Definition of Self-Inductance
  • Calculation of Self-Inductance for Simple Cases
  • RL Circuits
  • Energy in Magnetic Field

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Categories: 4.DEVICES, Inductor

Inductors and RL Circuits

August 1, 2013 Leave a comment

Inductors are with respect to the magnetic field what capacitors are with respect to the electric field. They “pack a lot of field in a small region”. Also, the higher the current, the higher the magnetic field they produce.

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Categories: 4.DEVICES, Inductor

Noise Analysis Techniques

June 26, 2013 Leave a comment

1. Noise is Random

2. Every Device has a source uncorrelated from others unless otherwise specified

3. General method:

-calculate transfer function from every single noise source to the output in the frequency domain.

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Categories: 1.ANALOG, Noise

Noise Analysis

June 26, 2013 Leave a comment

  • Noise sources
  • Equivalent input noise
  • Noise model for 741

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Categories: 1.ANALOG, Noise