Purdue University Mixed-signal Circuits (IMAGE) Purdue University Caption Purdue University innovators created hardware technology to use mixed-signal circuits to embed critical information to stop computer attacks. Credit Shreyas Sen/Purdue University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.