Monthly Archives: March 2010

Negative Voltage Converter

Posted on March 29, 2010 by Rend

This is a Negative Voltage Converter circuit. This is the most popular application that use the MAX1044/ICL7660. This circuit just requires two external capacitors. It is recommended if the circuit is added by A third power-supply bypass capacitor with value … Continue reading →

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Difference Amplifier Eliminates Vocal Track

Posted on March 29, 2010 by Rust
Difference Amplifier Eliminates Vocal Track

Not only a summing circuits, but there are also subtracting circuits. Here’s the circuit diagram: Subtracting circuit is a common application which is used to eliminate the vocal track (recorded at equal levels in both channels) from stereo recordings. R1 … Continue reading →

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Single Power Supply Cold Junction Compensation

Posted on March 29, 2010 by Rust
Single power supply cold junction compensation

Cold junction compensation in thermocouple is needed when the cold junction is not kept on a constant temperature. Rather that to provide temperature stabilizer on the junction, correcting the error by measuring the cold junction temperature is cheaper. Here is … Continue reading →

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