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In this paper, the design of two VCOs for wireless multi-standard applications is presented. These circuits have been produced using CMOS/SOI technology, with body voltage to control power consumption and phase noise performance. A new architecture for multi-standard applications is proposed. To our knowledge, this is the first structure using a balun to change the oscillation frequency and the body...
The aim of this study is to provide a high-level VHDL-AMS model for multi-standard phase locked loop in SOI technology. The supported standards are GSM, GPS, DCS, Bluetooth, Wifi and WLAN. The model can be used to evaluate settling times, channel-to-channel transition times and also the timing needed to switch from one standard to another one. VCO noise, propagation time, transistors mismatch and...
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