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LAB 04

LAB 04. Transistor characteristic curve. 1. Choose a bias scheme. The above circuit is a simple curve tracer from which you can see the BJT's characteristic curve for single value of base current. Choose Vbb so that the collector current is 1mA. What is the base current?

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LAB 04

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  1. LAB 04 Transistor characteristic curve

  2. 1. Choose a bias scheme

  3. The above circuit is a simple curve tracer from which you can see the BJT's characteristic curve for single value of base current.

  4. Choose Vbb so that the collector current is 1mA. What is the base current? • Recall one characteristic curve of the transistor. • For Rc = 1kW what is the maximum Vce you can achieve (with the specified Vac)? Verify the value with spice by plotting ic versus Vce. Also plot Vbe versus time. How does it change with time? • Compute Rc so that the maximum value of Vce is 14V with the specified Vac. Verify the value with spice by plotting ic versus Vce with this new value of Rc.

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