Category Archive: Electronics Projects

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100 Watt Stereo Amplifier STK4231

| 2008/01/11

STK4231 2x100watt two-channel stereo amp circuit power supply circuits on the same PCB printing do not need to create additional PCBs. STK4231 amplifier part list 56k 1/4w 2x 10k 1/4w 2x 1k 1/4w 4x 100ohm 1/4w 2x 4,7k 1/4w 4x 560ohm 1/4w 2x 4,7ohm 1/4w 4x 3,3k 1/4w 2x 2,2k 1/4w 2x 470pf 63v 2x…

TDA7294 Multi Mode PCB 200W Stereo Mono

| 2008/01/11

With TDA7294, you can use a simple cheap quality amplifier circuit with a single circuit, either Mono 200w or Stereo 2×100. TDA-7294 two-channel power amplifier with direct bridge connection (BTL) configurable. TDA7294 is a highly innovative DMOS high power integrated amplifier circuit released by the famous European SGS-THOMSON ST Microelectronics in the 1990s. Linear integrated…

LM3886 Amplifier Circuits Archive

| 2008/01/11

Personally, I use an integrated LM3886 obviously a Popular and saw a lot of applications in electronics store, most are cheap and low cost, using very few ingredients can make your amp with LM3886 Circuit-1: Amplifier circuit 50w power pcb design made ​​quite a small clamps and connectors for input and output power connections on…

LM267X Step-Down Regulator LM267X Desing Tool

| 2008/01/11

Simple Switcher Step-Down Regulator lm267x series makes all the calculations for the integrated program. Tube information as well as application circuit is given in Lm2678 properties • Efficiency up to 92% • Simple and easy to design with (using off-the-shelf external components) • 120 mohm DMOS output switch • 3.3V, 5V and 12V fixed output…

Atmel AT89 Series Experiment Development Board

| 2008/01/11

ATMEL AT89 series on various projects for the development of programming you can do trial and a circuit Development board for AT89SXXXX This is a development board for ATMEL AT89 series or ATMEL ISP.It uses In-System Programming .Easy to use for developing your ATMEL MCS-51 base projects Support ATMEL AT89S series such as AT89S51, AT89S52,…

AT90S1200 D.D.S. Function Generator

| 2008/01/11

The presented project is a function generator for sinusoidal and square signals production. The output frequency covers the range from 10 Hz to 100 KHz with a step of 2 Hz. The waveform synthesis is based on the D.D.S. technique (Direct Digital Synthesis) and the output frequency is selected through a microcomputer with an embedded…

2X100 Watt Class-T Amplifier Circuit TA2022

| 2008/01/11

The TA2022 is a 90W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC using Tripath’s proprietary Digital Power Processing (DPPTM) technology. ClassT amplifiers offer both the audio fidelity of Class-AB and the power efficiency of ClassD amplifiers. Class-T architecture High Power 100W @ 4ohm, 1.0% THD+N 90W @ 4ohm, 0.1% THD+N 60W…

Cheap Simple PIC EEPROM programming Circuits

| 2008/01/11

Inexpensive simple programmer circuits for those dealing with PIC EEPROM programming. Programmer circuits work through the RS232 COM port of the computer, it does not require external power supply, there is not much difference between the circuits, you can choose the one that suits your needs. Our first circuit is very nice and the pcb…

STK4044 STK4050 Amplifiers Circuits PCB

| 2008/01/11

STK4044 STK4050 PCB files. lay is the extension with Sprint-Layout you can open programs you are not using 5.0 only trace found in the file and Sprint-Layout-Viewer which is free for Print Program use: STK4044 STK4050 100 watts to 200 watts amp pcb circuit diagram of Files:

TDA2030A Amplifier for MP4 MP3 Player

| 2008/01/11

Evening at the request of a 12-volt battery will work with the simple quality needed to make a mono amp circuit TDA2030A was a good choice to be counted as good as price and performance of an integrated amplifier Know do not have any mp3/mp4 player quite common constantly are developing audio outputs for an…