1 watt power amplifier Archives - Amplifier Circuit Design https://amplifiercircuit.net/tag/1-watt-power-amplifier Amplifier Project Schematic Diagram Fri, 23 Dec 2011 08:11:15 +0000 en-US hourly 1 103688205 Compact Power Amplifier based LM386 https://amplifiercircuit.net/compact-power-amplifier-chip-lm386.html https://amplifiercircuit.net/compact-power-amplifier-chip-lm386.html#respond Fri, 19 Aug 2011 17:56:39 +0000 http://amplifiercircuit.net/?p=356 The compact power amplifier chip LM386 is perfect if the whole scheme powered from the battery.This circuit can be used […]

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]]> Mini compact amplifierThe compact power amplifier chip LM386 is perfect if the whole scheme powered from the battery.This circuit can be used as an amplifier for portable speakers because of its small and compact.

Here are the parameters of the device:
6 – 12 VDC
Output power 1 W, 8 Ohm
Indicator of the circuit – LED
Small size – only 44 mm x 44 mm

Parts list :
R1:2k2
R2 : 1K
R3 : 22
C1 : 10uF/50V
C2 : 2.2uF/50V
C3 : 470uF/25V
C4 : 220uF/25V
C5, C6 : 0.1uF
C7 : 0.22uF
D1 : Red LED
PR1 : 10K preset
U1 : LM358
SW1 : Slide switch

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]]> https://amplifiercircuit.net/compact-power-amplifier-chip-lm386.html/feed 0 356 1W Power Amplifier with Electronic Volume Control based TDA8551 https://amplifiercircuit.net/1-watt-mono-power-amplifier-with-electronic-volume-control.html https://amplifiercircuit.net/1-watt-mono-power-amplifier-with-electronic-volume-control.html#respond Mon, 25 Jul 2011 00:48:11 +0000 http://amplifiercircuit.net/?p=21 The TDA8551 chip by Philips is a bridge amplifier with output power of 1 watt at a supply voltage of […]

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]]> Mono Power Amplifier TDA8551.The TDA8551 chip by Philips is a bridge amplifier with output power of 1 watt at a supply voltage of 5V. In this case, current consumption in the silent mode is only 10mA. The chip is made ​​in 8-pin package and requires no heat sink, it can be used in a variety of small devices. Chip is equipped with thermal protection, has an internal delay circuit connecting the load – so that when you turn, you hear a wheeze other wonderful music transients. This chip also built-in an electronic volume control.

Parts list :

Notation on the chart

Nominal

C1

100uF/10V

C2

0.33

C3

0.1

C4

0.1

C5

200uF/10V

R1

2.2 k

DA1

TDA8551

There is a TDA8552 is intended for the use of stereo sound. This will be discussed at Stereo Power Amplifier with electronic control.

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