Four-path analog quantity output circuit module for electronic guitar

• Main Author: ZHAO SHAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 16.04.2021
• Subjects: ACOUSTICS; ELECTROPHONIC MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS; PHYSICS

The invention discloses a four-path analog quantity output circuit module for an electronic guitar. The module comprises a system chip, a power source circuit, a radio module circuit, a clock circuit, a reset circuit, an alarm circuit, an LED indicating lamp circuit, an OLED display circuit, a BOOT circuit, a switching circuit, a four-path analog quantity output circuit, and a USB-to-serial port circuit; the radio module circuit, the clock circuit, the reset circuit, the alarm circuit, the OLED display circuit, the BOOT circuit, the switching circuit, the four-path analog quantity output circuit and the USB-to-serial port circuit are in divergent connection with the system chip as the center; the LED indicating light circuit is connected with +3.3 V voltage; according to the power source circuit, 5V voltage is adopted, and the 5V is subjected to voltage stabilization and filtering, so that+5V voltage and 3.3 V voltage are obtained. The analog quantity output circuit redundancy technology is adopted, the resol