July 2012
Beginner
576 pages
9h 46m
English
Content preview from Complete Electronics Self-Teaching Guide with Projects
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Working with Transistor Amplifiers
1 In Chapter 3 you learned how to turn transistors ON and OFF. You also learned how to calculate the value of resistors in amplifier circuits to set the collector DC voltage to half the power supply voltage. To review this concept, examine the circuit shown in Figure 8.1.
Use the following steps to find the value of RB that will set the collector DC voltage (VC) to half the supply voltage (VS):
1. Find IC by using the following equation:
2. Find IB by using the following equation:
3. Find RB by using the following equation:
Questions
Find the value of RB that will set the collector voltage to 5 volts, using steps 123 and the following values for the circuit:
A. IC = _____
B. IB = _____
C. RB = _____
Answers
A. 
B. 
C.
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