Category Archives: Signal Processing

Audio Signal Strength Detector/Converter

Posted on January 10, 2011 by Rust

Below is the schematic diagram of an audio input module. We can produce a DC output voltage that is proportional to the input signal amplitude (the signal strength) using this circuit. One application of this circuit is audio level meter. … Continue reading →

Posted in Audio and Music, Signal Processing | Tagged | Comments Off

Logarithmic Light (Photodiode) Sensor Signal Conditioner

Posted on January 6, 2011 by Rust

There are many measurement system that would be more suitable if we use logarithmic scale, especially when we try to mimics human sensory response. Most physical phenomenon that sensible to human’s biological sensor system is wide range in nature. Human … Continue reading →

Posted in Signal Processing, Test and Measurement | Tagged , , | Comments Off

RS232 Line To 5 V Level Converter

Posted on January 5, 2011 by Rust

RS 232 line to 5 V converter circuit schematic diagram is shown on the following figure. The MAX680 is normally used as a charge pump voltage converter. This converter can convert +5 V to ±10V. The MAX 680 works in … Continue reading →

Posted in Control Electronics, Signal Processing, Test and Measurement | Tagged | Comments Off
« 1 2 3 4 5 6 7 8 9 10 11 12 ... 36 »