For the BJT, β=∞, VBEon=0.7V VCEsat=0.7V. The switch is initially closed. At t=0, it is opened. At which time the BJT leaves the active region?

Transistor Characteristics topics include: Transistor amplifier, transistor construction, junction transistor, common base, emitter and collector configuration, ce and cb characteristics, dc load lines, transistor switch and switching times. Transistors are semiconductor devices that amplify or switch electrical signals and power. They are a fundamental component of modern electronics.  A transistor's characteristics are curves that represent the relationship between its voltages and currents.  The three main characteristics of a transistor are: Input characteristic: Describes how the... Show more

Transistor Characteristics topics include: Transistor amplifier, transistor construction, junction transistor, common base, emitter and collector configuration, ce and cb characteristics, dc load lines, transistor switch and switching times.

Transistors are semiconductor devices that amplify or switch electrical signals and power. They are a fundamental component of modern electronics. 

A transistor's characteristics are curves that represent the relationship between its voltages and currents. 

The three main characteristics of a transistor are:
Input characteristic: Describes how the input current changes as the input voltage changes, while the output voltage remains constant.
Output characteristic: A graph of output current on one axis and output voltage on the other, with a constant input current.
Constant-current transfer characteristic: A characteristic curve that shows how the output current fluctuates in relation to the input current. 

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