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WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 3—Explain what "storage time" is in transistors.

Answer

Storage time is the time during which the transistor fails to respond to the trailing edge of a driving pulse. This happens because a lot of excess minority carriers are driven into the base region when the transistor is in saturation. The transistor cannot respond until this excess charge has been removed.

Because of this storage time, there is a lag in bringing a transistor out of saturation region to its linear operating region.

The storage time "ts" is indicated in the timing diagram shown below:

Contributor: Naveen P N

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