Solution-Field-effect transistors preferred over bipolar

Field-effect transistors preferred over bipolar junction

Reference no: EM131076953

JFETs

INTRODUCTION

Which types of applications are field-effect transistors preferred over bipolar junction transistors? Why? Explain why junction field-effect transistors are considered voltage-controlled devices.

EQUIPMENT

1 power supply: 15V
1 transistor: 2N4860
3 resistors: 1k?, 4.7k?, 2M?
<List meters used>

PROCEDURE

Using Multisim construct the circuits shown below:

Measure the following and record the values in the "results" section: V_G, I_D, V_S, V_D, V_DS,

RESULTS

Calculate V_GS from the measured values.

Which type of biasing is used?

The table below shows readings for three different cases where the circuit above, was malfunctioning. Find the fault, assuming only one device in each case has a problem. List the steps taken to arrive at a solution.

	V_DS	V_D	V_S	What is the problem?
1	91.4mV	91.4mV	0V
2	66.5mV	15V	14.9V
3	15	15	0

CONCLUSION

What did you learn?

Reference no: EM131076953

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Field-effect transistors preferred over bipolar junction

Reference no: EM131076953

Reference no: EM131076953

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