Добро пожаловать
Вход / Регистрация

How to Make Laptop Desktop Computer USB Sound Box | Amplifier Module | Best PC Sound Box | Bangla

Спасибо! Поделитесь с друзьями!


Вам не понравилось видео. Спасибо за то что поделились своим мнением!

Sorry, only registred users can create playlists.

Добавлено by Admin В Компьютеры
87 Просмотры


How to Make Laptop Desktop Computer USB Sound Box | Repair PC Sound Box | Bangla Tutorial

how to repair Asrock no power, no display, VRM section fault.
ASRock motherboard bios flash, bios update any internal chips problem we solve it,
motherboard repair similar videos link:
how to Successful repair MSI desktop motherboard | H61m-p3/w8 | No display | Bangla Link: https://youtu.be/lfzv_zDSrQY
How to repair gigabyte ga-h61m-ds2 Motherboard | reset problem | power problem | Bios problem|bangla

Intel dH61wv no power https://www.youtube.com/edit?o=U&vide...

Visit my social media:

flow twitter: https://twitter.com/ashik98967315
flow FB: https://www.facebook.com/Ahik.islam143

Like page flow FB page: https://www.facebook.com/Ashik.comput/
5V USB Audio Amplifier Circuit Details:

Small power portable Audio amplifier design requires minimum components utilization and low power consumption, here the 5V USB audio amplifier circuit diagram composed with NS8002 will give continuous 3 watts output and this amplifier circuit don’t have any output coupling capacitor or bootstrap capacitors hence the size of amplifier shrink into a compact size for handheld applications.

The NS8002 has some important features such as low power consumption shutdown mode (very helpful for battery-powered devices), It eliminates turn on/off transition noise, It has unity gain and can be configured by an external gain setting resistor.

Construction & Working

This Amplifier IC NS8002 takes a wide range of voltages between 4.0V to 6.0V and it is most suitable for USB powered applications. Due to its internal elements, this circuit requires few external resistor and capacitors only. IC NS8002 pin 1 is called as SD pin, this amplifier enters into shutdown mode when a high level is applied on SD pin, there is a switch connected between pin 1 and ground it represents low level if the switch gets open then a high level is applied. Pin 2 is called as BYP, Bypass capacitor pin which provides the common mode voltage. Pin 3 is +IN positive input of the first amplifier and receives the common mode voltage through the C2 capacitor.

Pin 4 is -IN Negative input of the first amplifier, receives the audio input signal through coupling capacitor C1 and R1 Resistor. Pin 5 is Vo1 it gives negative output for the loudspeaker. Pin 6 is Vcc and takes Analog Vcc input supply (+5V), pin 7 is GND and takes ground connection for circuitry. Pin 8 is Vo2 it gives positive output for the loudspeaker. Resistor R3 employed as feedback resistor between input and output.

8002 Amplifier Module

NS8002 available in different easy to the interface breakout board, and can be instantly employed in applications without a lot of soldering works.

USB power lines

Take Vcc and Ground wires only to provide a power supply (5V) to this amplifier circuit and avoid Data+ and Data- terminals.


Apply DC supply voltage (5V)
Use 4-ohm loudspeaker for best response.

Написать комментарий


Комментариев нет.