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VU Meter 4 by Nazmi EKER |
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| R1=> 10K for 4Ω | R3=> 390Ω | D1-10=> LED |
| R1=> 18Κ for 8Ω | R4=> 2.7KΩ | S1=> mini switch |
| R2=>10KΩ | C1=> 2.2μF 25V | IC1=> LM 3915 |
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Sam Electronic Circuits 8/01 |
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The
circuit is placed parallel with the exit of power amplifier and us
gives the level of signal ,from output. Changing resistance R1, in the
entry of circuit, we adapt the indication of power, in the resistance
of loudspeaker, that we use.