Volterra Series Analysis of a 1.8GHz Sine Wave Oscillator

The work deals with different kind of voltages, currents and charges, and the used nomenclature is defined here. Voltages, currents, and charges are divided into three groups: DC, AC and instantaneous. DC signals are termed with capital letters without the time-dependence indication “(t)”, e.g. VDS . AC signals are termed with lower case letters and with the time-dependence indication e.g. vds(t). Instantaneous signals are termed with capital letters and with the time-dependence indication, e.g. Vds(t) = VDS + vds(t). Expressions with e.g. the instantaneous voltage Vds(t) substituted with the biasing voltage VDS are shown by extending the expressions with ∣∣∣ VDS .