A digital technique eliminates the need for an analog multiplier

Here is how to employ an XNOR logic gate alongside an ADC to perform multiplication without an MCU or traditional analog multiplier. The post A digital technique eliminates the need for an analog multiplier appeared first on EDN.

Electronics Sep 9, 2025 0 45 Add to Reading List

A digital technique eliminates the need for an analog multiplier

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Traditionally, multiplying two analog signals involves the use of analog multipliers. Design engineers digitize analog signals using an analog-to-digital converter (ADC) and then run the code on a microcontroller to perform digital multiplication. However, another digital technique employing an XNOR logic gate alongside an ADC performs multiplication on two bitstreams, avoiding the cost of the analog multiplier.

Find out more about this substitute analog multiplication technique in an article published in EDN’s sister publication Planet Analog.

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