vumeter circuit | Next Electronics

USB Powered Audio Power Amplifier circuit

This circuit for multimedia speakers designed for PCs utilizes a single-chip architecture, operates on a low-voltage power supply, is compatible with USB power, facilitates easy heat dissipation, is cost-effective, offers high flexibility, and has a wide temperature tolerance. Central to...

become a VU meter and homemade rhythm lights easy [megapost]

A post related to a do-it-yourself project for creating a VU meter and homemade rhythm lights that are easy to assemble. The project involves designing and constructing a visual audio level meter (VU meter) that responds to sound levels, as well...

TS4962 3W Filter-free Class D Audio Power Amplifier With Active Low Standby Mode

Stationary - MOPLL & Silicon Tuner TUA6020 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier. The TUA6020 device integrates a digitally programmable Phase Locked Loop (PLL) with a mixer-oscillator block that includes two balanced mixers and oscillators suitable for use...

adding vu meter to your computer

A VU meter from a SONY double tape deck, model number "SONY TC-W230," has been salvaged and is intended to be integrated into a computer tower case. The process begins with identifying the connections on the printed circuit board, specifically...

Power Supply For Amplifiers

For the 60W amplifier, a nominal (full load) supply of +/- 35V is required, so a 25-0-25 secondary is ideal - however, see Updates, below. The circuit for the supply is shown below, and uses separate rectifiers, capacitors and fuses...

Amplifier Timer Circuit Schematic

This circuit turns off an amplifier or any other device when it remains idle for 15 minutes. It is powered by the amplifier's tape output. The described circuit functions as an automatic power management system, designed to enhance energy efficiency by...

vu meter 4

The circuit is connected in parallel with the output of a power amplifier and provides the signal level from the output. By adjusting the resistance R1 in the input circuit, the power indication can be adapted to the resistance of...

Decibel-o-meter and white noise generator

Noise level measured into 75ohm 3.1kHz BW using Siemens D2006 level meter: -80dBU (77.5mV) from zero to 1MHz and drops 3dB on 17MHz. Decrease the first coupling capacitor (68nF) to 10nF to increase the lower limit to 50kHz. The amplifier...

A simple and effective short-wave antenna amplifier circuit

This amplifier is designed for outdoor installation and is connected to an indoor power line box. It utilizes either 50-ohm or 75-ohm coaxial cables for the connection between indoor and outdoor units. The amplifier circuit board is depicted in Figures...