Tone Generator by 2N4891

This be Basic Tone Generator by UJT Transistor 2N4891 numbers. By it s can give with small-sized loudspeaker s have a voice electric loud bell moderately. The value of C1 be valuable a little for enhance the speed in the package and disgorge to load….
วงจรกำเนิดเสียงออดแบบง่ายๆ ด้วย UJT เบอร์ 2N4891 อ่านต่อและดูวงจร

วงจรอื่นๆ
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This entry was posted on Friday, August 29th, 2008 at 10:44 am and is filed under alarm system, audio sound.

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