I tried GPT-5.4, and most answers were really good - but a few had me concerned

It has strong reasoning, but it sometimes answers questions you didn't ask. Formatting and image generation lag behind the text quality. It's a new month, and a new AI version number. It's called ...
IEEE

A 4 × 224 Gb/s Single-Ended PAM-4 Transceiver Front-End With Noise Suppression Technique and Cascaded Equalizers in 130-nm SiGe BiCMOS

Abstract: A dc-coupled analog single-ended (SE) transceiver (TRX) front-end supporting 224 Gb/s/lane is presented. It features SE-to-differential (S2D) and differential-to-SE (D2S) conversion, ...