Lesson 6 2010 basic transistor circuits with activities

Lesson 6 2010 basic transistor circuits with activities -...

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Unformatted text preview: Basic Transistor Circuits Lesson 6 Basic Transistor Circuits Objective: after learning this section, you will be able to: Utilize the proper notations for dc and ac transistor currents and voltages; Draw the dc and ac equivalents for a basic transistor amplifier; Derive the ac voltage gain of the amplifier; Analyze and design a transistor switch; Test a transistor with a digital multimeter. Notations dc quantities: ac quantities: ac internal resistances: V V V V I I BE CE B CC C B , , , , , V V V I I be ce b c b , , , , r e ' Transistor as an Amplifier RB VC C RC IC VB B V in IE IB dc Equivalent Circuit Short ac voltage sources Open ac current sources Open capacitors RB VCC RC IC VBB V in IE IB RB VCC RC IC VBB IE IB ac Equivalent Circuit Short dc voltage sources Open dc current sources Short capacitors Internal ac emitter resistance r e ': RB VCC RC IC VBB V in IE IB RB RC V in Ib Ie Ic re ' V c Vb e e be e be e I r V r V I ' ' = → = Activity 1...
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Lesson 6 2010 basic transistor circuits with activities -...

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