Simple 100w power amplifier circuit schematic

Posted by: admin  • Information section:Electronic project

Simple 100w Power amplifier circuit schematic


This circuit has a symmetrical structure and requires no complicated debugging process beyond the matching of the transistors.


This circuit requires an isolated capacitor at the output of the audio source, otherwise a short circuit may occur. The improved method is very simple. Add an isolation capacitor (isolated capacitor in the input stage, which is the function of “passing AC and DC blocking”, and it is used in the place where DC should be cut off). 10 microfarad 50V electrolytic capacitor Be applicable.


A single emitter follower has a small output resistance and a strong load capacity, but its quiescent current is large, so the energy conversion efficiency is low. To improve efficiency, the static operating point of the transistor is set in the cut-off region. The drawback at this time is that in one cycle of the input signal, the output voltage has only a half cycle waveform, that is, severe cutoff distortion.

In order to complete the waveform, the NPN tube is formed into an emitter follower of opposite polarity. Thus, a complementary symmetrical circuit is constructed. Capacitance in the circuit requires a withstand voltage of at least 50V. The circuit supply voltage is DC35V.

 


List of components:

resistance:

3.3K = 4
18K = 2
47K = 1
1K = 1
560 = 2
100 = 1
30K = 1
220 = 1
0.33 = 2

capacitance:

100uF = 1
30pF = 2


Transistor:
2SC1815 = 2
2SA1015 = 2
2SA180 = 2
TIP42C = 1
TIP41C = 1
2SC2922 = 1
2SA1216 = 1



Tagged:

read ()  •  Mar 30, 2019  •  Edit


YOU MAY ALSO LIKE:

Making High Quality Hearing Aid with TDA2822M

Date: Jun 28, 2019  | Click 21 times

image

The working principle is that the integrated circuit TDA2822

image

Idea: Using a single-pole double-throw relay to control the

Radio remote doorbell circuit schematic

Date: May 24, 2019  | Click 32 times

image

With the continuous development of society, technology and t

tda2030 amplifier circuit 12v

Date: Apr 09, 2019  | Click 184 times

image

tda2030 amplifier circuit 12v

TDA2030A audio power amplifie

TDA7250 schematic sharing

Date: Mar 30, 2019  | Click 46 times

image

There are many power amplifier circuits, and the TDA7250 cir

image

This circuit uses eight IGBT tubes as power amplifier compon

Classic tda7293 application circuit diagram

Date: Dec 22, 2018  | Click 24 times

image

The function of tda7293 power amplifier is quite good, and t

Lm3886 power amplifier circuit diagram

Date: Dec 19, 2018  | Click 15 times

image

The lm3886 integrated circuit is widely used in the power am

TDA7294 power amplifier circuit

Date: Dec 19, 2018  | Click 143 times

image

The sound quality of tda7294 is very good at present. The Sw

TDA7264 power amplifier application circuit diagram

Date: Dec 19, 2018  | Click 38 times

image

A few days ago, online shopping parts, sent a few tda7264 po

MSP430 wireless charger circuit schematic

Date: Dec 01, 2018  | Click 19 times

image

Power switch
The DC input adopts single-pole double-gate rel

copyright

© 2018-2019 www.loveelectronics.net Corp.All Rights Reserved.