When the words “Quantenna” and “acquired” flashed across our desk, it immediately brought to mind Broadcom, Qualcomm and even Marvell as one of the companies paying $1.1 billion for the US WiFi silicon specialist. But instead a surprise suitor sprung up in the form of ON Semiconductor – a company we associate primarily with a range of IoT-focused designs ranging from wearables to pig-implantable temperature sensors and low-power Bluetooth SoCs. When reporting on Quantenna Communications’ latest financial results for calendar 2018 last month, Faultline Online Reporter noted that the world’s principal dedicated chip vendor remained undervalued with revenues up 25% to $220.5 million. After Quantenna published these results, financial analysts rated Quantenna stock at 1.8 on the desirability scale where…