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A 3.1–4.7GHz and 6.3–9GHz RF transmitter fabricated in a 65nm CMOS technology and packaged with a Wafer-level Fabricated Package (WFP) is presented. For high frequency and wideband performances, all the effects of package are considered and loopback paths with a power detector are implemented. A new structure of T/R switch is devised for the low noise performance of Rx and the high linearity of Tx...
An Ultra-wideband (UWB) transmitter is proposed that can correct phase errors in quadrature local (LO) signals automatically without help of baseband processor (BBP), operating from 3 to 9 GHz in 65 nm CMOS. The measured tuning range for sideband rejection is 32.7 dB at 7.7 GHz and 13.6 dB at 8.7 GHz. The measured EVM is lower than -20 dB for all supporting bands and TFCs (Time frequency codes) that...
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