Tag Archives: Signal Conditioner

Op-Amp Circuit: Summing Amplifier

Posted on April 4, 2010 by Rend
Op-Amp Circuit-Summing Amplifier

This is a summing amplifier circuit. This is an inverting circuit that provides an inverted output equal to the sum of all three input. This circuit has some advantages such as there is no interaction between the operation and inputs, … Continue reading →

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Op-Amp Application: Level Shifting Amplifier

Posted on March 24, 2010 by Rust
Op-Amp Application Level Shifting Amplifier

Sometimes, in linear equipment design, it’s necessary to take a voltage which is referred to some dc level and generate an amplified output which is referred to ground. Using a differential amplifier similar to that shown in the circuit diagram … Continue reading →

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Magnetic-Pickup Phono Preamplifier

Posted on February 2, 2010 by Adam
Magnetic-Pickup Phono Preamplifier

This is a simple circuit of magnetic pickup phono preamplifier. A proper loading to a reluctance is provided by this circuit. Here is the circuit: The gain provided by this circuit is approximately 25dB at 1kHz (2.2mV input for 100mV … Continue reading →

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