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In this paper, the electrical and noise performances of a 0.8 microm silicon germanium (SiGe) transistor optimized for the design of low phase-noise circuits are described. A nonlinear model developed for the transistor and its use for the design of a low-phase noise C band sapphire resonator oscillator are also reported. The best measured phase noise (at… (More)
This paper addresses advanced low frequency noise measurements and modeling of SiGe HBTs. Results have been implemented into a nonlinear Gummel Poon model which has been validated through the design of a DRO made of an integrated SiGe negative resistance in the 10 GHz range. We have obtained phase noise of -105 dBc/Hz at 10 kHz offset, which is close to the… (More)
This paper presents the low frequency noise behavior of advanced SiGe HBT's. It is investigated the influence of the Ge rate on the low frequency noise properties. We propose a scaleable non linear model that is compatible with commercial CAD platform.
This paper presents a novel approach to model the transfer function of electrical power lines for broadband power line communication (PLC). In this approach, the power line is approximated as a two wire transmission. The characteristic impedance and the constant propagation are derived from a circuit lumped-element model. Using these parameters, the… (More)