An external audio level display circuit

Posted on Dec 11, 2010

Condenser microphone pickup signal broken by Iq. amplified and sent as a comparator HJ of lC.., - LC.., And lC: (e - b) each of the negative side, the positive terminal of the

An external audio level display circuit
Click here to download the full size of the above Circuit.

voltage comparison between wells. Output different detection levels, were light hair light: diode LEDl - LED7. The final show jumping corresponding audio level. VR. Ru and Rs a silk-linked to form a resistor ladder, unusual equipment is connected to the positive terminal of the comparator, the formation can delete the reference voltage.

Leave Comment

characters left:

New Circuits



Popular Circuits

High power Valve Russian Jammers
CW signal processor
Fast Composite Amplifier Circuit
Flame Sensor
50w audio amplifier using ic tda1562
High Voltage Converter: 90V From 1.5V
Dancing LEDsCircuit
PJRC MP3 Player Schematic Diagrams
Noise making circuits