Category Archives: Signal Processing

Signal Clamper Using Diode

Posted on November 23, 2010 by Rust

Diode and capacitor can be used to clamp an AC signal, shift the level into positive region for all cycle. Sometimes this condition is needed, to have positive state at all time, for example in some analog-to-digital conversion. At first … Continue reading →

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Zener Diode Signal Limiter

Posted on November 23, 2010 by Rust

Zener diode has been commonly used as  signal limiter. With a single diode and a resistor, the limiter will limit the half cycle of a signal to it’s forward bias and  and the other half cycle to its reverse breakdown … Continue reading →

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Passive Audio Stereo-to-Surround Adapter

Posted on November 22, 2010 by Rust

Below is a passive surround converter/adapter circuit diagram. To make this circuit works, passive surround doesn’t required any active components. This circuit only need the combined of resistors and electrolytic capacitors. Do not use woofer or tweeter speakers for rear … Continue reading →

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