Velleman projects K4305 Assembly instructions - Manual

Total solder points: 186
Difficulty level:
Beginner 1
o 2þ 3o 4o 5o Advanced
PARTLIST H4305P-ED1
K4305
2 x 10 LED STEREO VU METER
•
For instant visualization of audio signal levels.
•
Easy hook up to a LINE level ( LOW input) signal source.
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For use with mixing panels, amplifiers, CD players, radio’s, ...
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A special input (HIGH INPUT) is provided, which allows direct con-
nection to a SPEAKER* output .
•
DOT or BAR display mode selectable to suit your application.
•
Attractive display window supplied, which can be used both horizontal
as vertical.
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If wanted, the unit can be calibrated by means of a trim potentiometer.
*NOT SUITED FOR CONNECTION TO HIGH POWER CAR STEREO
SYSTEM
Specifications:
•
2 X 10 LED’s
•
BAR OR DOT MODE
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INDICATION RANGE: 0dB = 0.775mVrms.
-20dB, -10dB, -7dB, -5dB, -3dB, -1dB, 0dB, +1dB, +2dB, +3dB
•
FREQUENCY RANGE: 20Hz tot 30KHz
•
LOW INPUT FOR 0dB: 150mV to 6Vrms (47K)
•
HIGH INPUT FOR 0dB: 1.5V to 60Vrms (470K).
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POWER SUPPLY: 10 to 15VDC / 250mA max.
•
PCB DIMENSIONS 2X: 68X37mm
modifications reserved