parametric equalizer on an audio-mixer-sized PCB

The core component of this circuit is a crystal oscillator utilizing a 10MHz crystal to generate a highly stable carrier frequency. The sound signal from a condenser microphone is amplified by an amplifier circuit comprised of transistors Q1, Q2,...

The circuit diagram illustrates a timer 555-based rain sound generator. It requires a 9V DC power supply, which can be provided by a 9V battery. The circuit utilizes a 0.5W, 8-ohm speaker to produce sound. When powered by a...

The graphic equalizer circuit is designed to adjust frequency response in audio systems. Certain audio frequency responses may not be smooth. The graphic equalizer circuit functions by providing the ability to adjust specific frequency bands of an audio signal, allowing...

A 4-position slide switch is utilized to activate different colored LEDs based on its position. Additionally, it is required to adjust the output frequency of a 555 timer operating in astable mode to drive a piezo buzzer. The challenge...

For a hobby project, a breadboarded design is being considered that utilizes pair detectors functioning as a single-use physical barrier. When impacted by a projectile, a trace is interrupted, allowing a +5VDC signal to trigger a flip-flop integrated into...

In addition to using the LA3600 IC, a 5-channel graphic equalizer can also be designed as a 10-channel graphic equalizer circuit through appropriate connections. The design of a 10-channel graphic equalizer circuit utilizing the LA3600 integrated circuit (IC) offers enhanced...