Try this test before reading The Transistor Amplifier and see how much you know:

Question 1:
What is the voltage at point “X:”

Choose from:

1. High Voltage
2. Mid-rail Voltage
3. Low Voltage

Answer 1 - Close window before scrolling

Question 2:
What is the voltage at point “X:”

Choose from:

1. High Voltage
2. Mid-rail Voltage
3. Low Voltage

Answer 2

Question 3:
What is the voltage at point “X:”

Choose from:

1. High Voltage
2. Mid-rail Voltage
3. Low Voltage

Answer 3 Question 4:
What is the simplest way to turn this circuit into a DIGITAL CIRCUIT:

Answer 4 Question 5:
Will the voltage at point X rise when the emitter-resistor is added:

Answer 5 Question 6:
Identify the emitter-follower circuit:

Answer 6 Question 7:
Identify the constant-current circuit:

Answer 7 Question 8:
If you increase the value of the base-bias resistor, what will happen to the collector voltage?

Answer 8 Question 9:
What is the collector voltage:

Answer 9 Question 10:
Draw a NAND gate using a transistor and diodes:

Answer 10

Now go to: THE TRANSISTOR AMPLIFIER and see how much you will learn.