LM386 Audio Amplifier Concepts
Interactive Video
•
Science, Physics, Computers
•
9th - 12th Grade
•
Practice Problem
•
Hard
Lucas Foster
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pins on the LM386 are used for gain control?
Pins 4 and 5
Pins 2 and 3
Pins 1 and 8
Pins 6 and 7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum supply voltage for the LM386N-4 model?
15 volts
18 volts
12 volts
20 volts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical voltage gain range for the LM386N-1?
10 to 100
20 to 200
30 to 300
40 to 400
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the potentiometer in the audio amplifier circuit?
To filter high frequencies
To connect the battery
To control the volume
To increase the gain
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a high-value capacitor used in the coupling capacitor position?
To reduce power consumption
To increase high-frequency signals
To allow low frequencies to pass
To decrease the circuit's gain
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the gain of the LM386 circuit be increased to 200?
By connecting a resistor between pins 4 and 5
By connecting a capacitor between pins 2 and 3
By connecting a capacitor between pins 1 and 8
By connecting a resistor between pins 1 and 8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adding a capacitor between the bypass pin and ground?
To increase the circuit's gain
To reduce the circuit's gain
To filter out low frequencies
To stabilize the circuit
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
