Graphic Equalizer circuit | Next Electronics

A bootstrapped twin notch filter in this circuit can yield an effective Q of up to 10. Rs adjusts the feedback, hence the Q. Values of C1 and C2 can be changed to alter the frequency. RF is a fine-tune...

stereo channel circuit diagram

The add-on circuit presented here is useful for stereo systems. This circuit has provisions for connecting stereo outputs from four different sources or channels as inputs, with only one of them selected and connected to the output at any one...

how to make simple active low pass

In electronics, filter circuits are primarily used to restrict the passage of certain frequency ranges while allowing other frequency bands to proceed to subsequent stages of the circuit. A high-pass filter circuit permits only frequencies that exceed a specified range,...

ROTARY SWITCH DEBOUNCE

A three-stage active Butterworth bandpass input filter is utilized in a radioteletype demodulator to differentiate RTTY tones from one another and from noise. The filter is centered at 2200 Hz and has a bandwidth of approximately 260 Hz, allowing for...

6-Band Graphic Equalizer circuit

The EQ-2 is a 6-band graphic equalizer circuit. Each band is controlled by potentiometers RV1-6, which are designed as faders for improved visual indication of adjustments. However, standard potentiometers can also be used as replacements. At the center position of...

Stereo VU Booster

This is a stereo VU booster circuit diagram based on the transistor FCS9014, which is commonly used for pre-amplifier and regulator circuits. This circuit should be connected to the audio channel before the amplifier module. If tone control or equalization...

KA2211 Stereo audio power amplifier

The KA2211 stereo audio power amplifier schematic is designed for electronics applications. This amplifier circuit provides a stereo output with a power output of 2 x 5.8 Watts at an impedance of 4 ohms. The frequency response ranges from 30...

Stylus sand acoustic filter circuit diagrams

The circuit provides a passband gain of 1 with a corner frequency of 10 kHz, designed to eliminate high-frequency noise such as hiss, ticking, and popping sounds. This circuit operates as a low-pass filter, effectively attenuating frequencies above the specified corner...

Twin-T RC Notch Filter

The two T-notch filter can be used to block unwanted frequencies or, if placed in an operational amplifier, as a bandpass filter. The notch frequency occurs where the capacitor... The two T-notch filter is a specialized circuit configuration designed to attenuate...