TEA2025 Datasheet
TEA2025 datasheet document DESCRIPTION The TEA2025B/D is a monolithic integrated circuit in 12+2+2 Powerdip and 12+4+4 SO, intended for use as dual or bridge power audio amplifier portable radio cassette players.
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6V and 12V Car Battery Charger
This 6V and 12V car battery charger circuit can be automatically charged, quickly and correctly, 6V and 12V batteries. Circuit design is divided into two series of modules that are: power supply module and the main charger module containing the regulator modules and direct current amplifier module.
3V Strobe Light Miniature
This is the circuit diagram of 3V strobe light miniature. The strobe lights are generally used to create nice looking visual effects in disco halls and auditoria. This post explain how to build the circuit of a battery operated portable miniature strobe light, using inexpensive components. For convenience and simplicity, an ordinary neon lamp is… Read More »
STA550 Datasheet
STA550 Datasheet Document. 70W Power Stereo Amplifier
TDA2050 Datasheet
TDA2050 Datasheet Document 32W power audio amplifier
Active FM Booster
This is a simple low cost circuit of an active FM booster that can be used to amplify the FM band signal, so you can listen the FM channels/programs from distant FM stations clearly. The circuit make use of a common-emitter tuned RF preamplifier wired around VHF/UHF transistor 2SC2570. (Only C2570 is annotated on the… Read More »
TDA2009A Datasheet
Datasheet document of power IC TDA2009A 10W stereo amplifier.
Car Audio System Anti Theft Security
This is the circuit diagram of car audio system anti theft security which can be effectively used to protect and secure your expensive car audio system from stealing. This simple circuit designed based on popular CMOS NAND chip CD4093,. When the circuit is switched on via switch S1, the indicator LED1 will glow and the… Read More »
Speaker Protection Circuit (Stereo)
This is the speaker protection circuit, provides stereo speaker protection and prevents switch-on clicks and DC components on the output of the amplifier connected.