Circuit Project Electronic

Here is Circuit Mini power amplifier low watt (1.2W Only).
IN circuit have IC TBA820,it old IC Audio amp.
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A medium power amplifier that is characterized by a lot of good sound quality, but simultaneously is very simple in the construction. Him uses, enough time in my active loudspeakers. In his output stage exist the very good FET transistors, technology HEXFET, transistor which are controlled by voltage and no by current as [...]

A ideal solution for the make a good, low cost power amplifier. It�s a ideal solution for the creation a system of home cinema. The preamplifier and the driver support in a operational amplifier [IC1]. The voltage fall in resistors R5 and TR2/R6, drive the output FET’s gates and is proportional with the input signal [...]