Bridging Adapter For Power Amplifiers
If you need more power can use bridging adapter, who must interconect like in this schematic and schematic is very simple I redesign schematic in Autodesk Eagle PCB software: and made a version for...
Category: classical electronics
120W PMPO PC speaker (reverse engineering)
A long time ago I buy a cheap pear of active PC speaker named SoundSTAR Multimedia Speaker – 120W PMPO. This audio amplifier is made with UTC2025 (similar with TEA2025 – see datasheet) and is...
5+1 led vu-meter with AN6884
AN6884 is 5-dot led driver circuit with logarithmic scale (dB), who can be used in this configuration: I made a quick test montage: Also, I made AN6884 on test board movie: I want t...
Power supply with LM317 (1,3-25V/max.3A)
A good and simple lab power supply can made easy with LM317 and few componennts, like this schematic from an old roumanian almanac TEHNIUM 1990: Original article is: My power supply is: With an...
Experiments with CMOS 4093 chip
original article (roumanian language) Usually, for made a simple square wave generator it use old 555 (you can see my experiments with 555 at Experimente cu “batranul” 555). I like more CMOS chips… so,...
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