This article discusses the audio mixer design and operating principle based on the use of the LM741 operational amplifier (op-amp) IC. The features of the LM741 and the step-by-step creation of the audio mixer circuit are examined, while explaining how audio mixers work.

This book provides a comprehensive overview of various modulation techniques. Rich visual content is used to facilitate students' understanding.

ZOYI ZT-702S: Professional 2-in-1 Oscilloscope and Multimeter. 10MHz band, 48MSa/s sampling. Powerful, compact and precise measurements.

AA Tech ADS-3072B Digital Oscilloscope: 70 MHz bandwidth, 2 Mpts recording length, fast sampling.