Environmental Noise Monitor


Posted on Dec 11, 2010

Environmental noise monitor circuit is shown. It mainly consists of high gain mu Specification for Zinc composition. Measured noise signal is indicated by the ammeter. ICl oper


Environmental Noise Monitor
Click here to download the full size of the above Circuit.

ational amplifier connected as amplifier noise, the noise signal to be detected by the microphone BM applied to the inverting input of ICl, zoom in and then full-wave rectification by the diode VDl ~ VD4, last ammeter deflection, thereby indicating the intensity of the ambient noise. When adjusted, the short ends of the first microphone, adjust the zero potentiometer RP2, ammeter indicates 0. Adjustment potentiometer RPl, can change the sensitivity of the ammeter. Corresponding to the intensity of the noise meter scale values available a standard to monitor calibration.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Music to light modulator circuit
Ramp generator
Add-on-scope-multiplexer
22 watt car subwoofer amplifier
morning light activated alarm circuit
I burned out some resistors on the circuit board of my Roland
AC load impedance R3 added after
Line current measurement circuit
Discharge time relay circuit



Top