Octave Equalizer Circuit


Posted on Nov 4, 2012

This circuit is one section of an octave equalizer used in audio systems. The table shows the values of CI and C2 that are needed to achieve the given center frequencies. This circuit is capable of 12 dB boost or cut, as determined by the position of R2. Because of the low input bias current of the OP-08, the resistors could be scaled up by a factor of 10, and thereby reduce the values of CI and C2 at the low-frequency end.


Octave Equalizer Circuit
Click here to download the full size of the above Circuit.

In addition, 10 sections will only draw a combined supply current of 6 mA maximum.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

arduino uno schematic
water activated alarm using ic 555
knight Rider
0-44dB RF Attenuator circuit with RF 2420
Wire Tracer (Transmitter)
Lx1995 Led Driver: Camera Flash Application
Record audio with the MSP430 microcontroller
Nicad Charger Uses Voltage Cut-Out
Unipolar Stepper Motor Driver
Automatic White-LED Garden Light
Linear power supply circuit
Coop automatically fill light circuit



Top