By Schilling H.
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Extra resources for Festkoerperphysik (Physik in Beispielen)
4. 1. Siweris, B. Schieck (1985), Analysis of noise upconversion in microwave FET oscillators", IEEE trans. on MTT 33, 233-242. 5. V. Rizzoli, F. Mastri, D. Masotti (1994), General noise analysis of nonlinear microwave circuits by the piecewiese harmonic-balance technique, IEEE trans. on MTT 42,807-819. 6. 1. Graffeuil, K. F. Sautereau (1982), Low frequency noise physical analysis for the improvement of the spectral purity of GaAs FETs oscillators, Solid State Elec. 25,367-374. 7. M. Pouysegur, 1.
The answer is yes, but it may induce a new level of circuit complexity. The method is based on phase locking and we will briefly describe three techniques to phase lock an oscillator : phase lock on a low frequency reference using frequency dividers or direct sub-harmonic injection lock and self-phase lock using a frequency discriminator. If the high frequency GaAs devices creates too much phase fluctuations, it is always possible to phase lock a FET oscillator on a BIT oscillator used as a reference.
22. W. Anzill, P. Russer (1993), A general method to simulate noise in oscillators based on frequency domain techniques", IEEE trans. on MIT 41, 2256-2263. 23. A Everard (1990), Measurement of the cross-correlation between baseband and transposed flicker noises in an GaAs MESPET, IEEE MIT-Symp. Digest, 1261-1264. H. Amine, O. Llopis, M. Gayral, J. Graffeuil, J. F. Sautereau (1992), New approach to GaAs MESPET analog frequency dividers with low threshold input power and high conversion gain, IEEE trans.