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VU metr (indikátor vybuzení)

Jednoduchý indikátor vybuzení s LM3915 (LM3914, LM3916)

Napájecí napětí 5 - 20V

Funkce přepínače: Připojením pinu 9 je signalizace pásová, při odpojení pinu 9 je signalizace bodová

 

vu-metr.png

schéma VU metru

vu.png

návrh DPS (rozměry 70x35 mm)

 

seznam součástek:

IC = LM3915 (LM3914, LM3914)

R1 = 1,2k

R2 = 10k

C1 = 10uF

 

 

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