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“Digitally controlled 5.1 channel audio preamplifier system to increase the gain of the multi-channel PC sound cards. This project introduces a digitally controlled 5.1 channel audio preamplifier system. This amplifier is specifically designed to increase the gain of …
“This project is a solution to power up most devices or projects requiring dual (+/-) adjustable power. The circuit consists of a stepdown transformer, bridge rectifier, DC filter capacitors, LM317 positive and LM337 negative adjustable voltage regulators, 2 x trimmer pot …
“Features: - AC – DC Conversion Double output voltages (Positive – Ground – Negative) - Adjustable positive and negative rails - Just a Single-Output AC transformer - Output noise (20MHz-BWL, no load): Around 1.12mVpp - Low noise and stable outputs (ideal to power Opamps and Pre-amplifiers …
“Introduction: If you’re a hobbyist that deals with audio, you’ll be familiar with dual rail power supplies. Most low power audio boards such as pre-amps require anywhere from +/- 5V to +/- 15V. Having a dual voltage power supply makes …
“Got projects to work on and don’t have a voltage regulator? Here a simple yet efficient DC voltage regulator. Its simple in design, yet efficient in output, but still cheap for your pocket. Key features; Adjustable positive DC voltage …
“This project is a solution to power up most of devices or projects requiring dual (+/-) adjustable power supply. The circuit is based on LM317 positive and LM337 negative voltage regulators. LM3X7 series of adjustable 3 terminal regulators is capable of …