TDA2030 circuits
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200W Audio Amplifier
Dec 16th
This audio amplifier circuit delivers up to 200 W of top-class quality for loudspeaker from 4 to 16 ohm. Operating voltage is between 24 and 36 V, max 5 A. The frequency response is from 20 to 20000 Hz. 200W amplifier explanation: Please take special care that the transistors and the IC’s have been fixed firmly and solely one or two separated cooling elements with sufficient dimensions for this purpose (thermal resistance < 1K/W). Doing so it is necessary to mount the transistors and the IC's insulated (with mica washes and plastic nipple). (more…)
Bridge audio power amplifier TDA2030
Oct 28th
A 35W audio power amplifier built with TDA2030 in a bridge connection with a +- 15V symmetric power supply. It is easy to build, do it yourself audio amplifier which will deliver up to 35W on a 8Ω speaker. Please use a good headsink to cool down the TDA2030 power amplifier. TDA2030 integrates circuits are very cheap and usefull if you want to start a small audio amplifier. The only thing you have to consider is to use a good power supply and heatsink or you’ll risk to burn this precious IC amplifier. (more…)
40W audio amplifier TDA2030 BD712 BD711
Sep 30th
A great 40 W audio mono amplifier built with TDA 2030, BD 712 and BD 711. The output power is 22W on 8 ohm speaker and 40W on 4 ohm. Distorsions are 0.012% at 1khz/8 ohm/11W and 0.032% at 1khz/4 ohm/20W. The IC1 supply curent variates accordingly to the audio input signal so there will be a similar variation on R6, R7, R8 and R9. As long the current is arround 1A, the voltage on the resistors is insufficient to open T1 and T2. This mean that output power smaller than 2W on 4 ohm will be outputed by TDA2030. More >
TDA2030 datasheet specifications
Sep 26th
The TDA2030 is a monolithic integrated circuit in Pentawatt package, intended for use as a low frequency class AB amplifier. Typically it provides 14W output power (d = 0.5%) at 14V/4W; at ± 14V or 28V, the guaranteed output power is 12W on a 4W load and 8W on a 8W. (more…)
TDA amplifier circuits
Feb 10th
TDA integrated circuits series are very well apreciated and used in amplifier designs and projects. TDA audio amplifier circuits are produced in generally by Philips and SGS-THOMSON. The most used IC is TDA2030 for small audio amplifiers kits and TDA7294 for higher power amplifiers. In this article we present some representative amplifiers schematics with TDA circuits: car and home audio amplifiers with datasheets below every circuit diagram. (more…)
High power 200W audio amplifier circuit schematic
Apr 24th
Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. With the components value from the schematic the total amplifier gain is 32 dB. The speaker can be 2 ohm instead of 4 ohm if we use the TIP transistors. Read the rest from this 200W amplifier (more…)
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