This device is realized with 2 specialized IC KA2284 /AN6884/. IC control 5 LEDs (5 dot bar type).
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Features:
Two entrances - for left and right channels.
Built-in amplifier input.
Trimmer to adjust the level.
Logarithmic indicator-10dB,-5dB, 0dB, 3dB, 6dB.
Constant output current of 15mA.
Supply voltage from 6 to 15V DC.
PCB size 105x37mm.