Abstract: This paper presents a 50-Gb/s optical receiver chipset in 45-nm silicon-on-insulator (SOI) CMOS. It comprises a trans-impedance amplifier (TIA) cascaded by a clock and data recovery circuits ...

Anyone with an older phone that’s currently connected to the O2 network needs to upgrade immediately. The popular UK provider has just issued a final warning, and ignoring it could leave some without ...

O2 is the last network that still operates a 3G network, with the other UK mobile operators already having decommissioned their 3G service so they can re-deploy the spectrum to be used for 4G and 5G ...

Virgin Media O2 has launched its new North West headquarters in central Manchester. With the lease of its Wythenshawe office due to expire in early 2026, Virgin Media O2 undertook a comprehensive ...