This paper reports a 12GHz rotary travelling wave (RTW) voltage controlled oscillator designed in a 130nm CMOS technology.\r\nThe phase noise and power consumption performances were compared with the literature and with telecommunication standards\r\nfor broadcast satellite applications. The RTW VCO exhibits a -106 dBc/Hz at 1MHz and a 30mW power consumption with a\r\nsensibility of 400 MHz/V. Finally, requirements are given for a PLL implementation of the RTW VCO and simulated results are\r\npresented.
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