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W-Band HEMT-oscillator with stabilization by phase controlled subharmonic injection locking

W-Band HEMT-Oszillator mit Stabilisierung durch phasenkontrollierte subharmonische Synchronisation

: Kudszus, S.; Haydl, W.H.; Neumann, M.; Hülsmann, A.

DOI: 10.1109/EUMA.1999.338307

	Microwave Engineering Europe: 29th European Microwave Conference 1999. Conference proceedings. Vol.1 London: Miller Freeman, 1999 ISBN: 0-86213-152-9 pp.198 ff
	European Microwave Conference (EuMC) <29, 1999, München> European Microwave Week (MIOP) <1999, München>

	English
	Conference Paper
	Fraunhofer IAF ()
	HEMT; injection locking; MMIC; oscillator; Oszillator; phase noise; Phasenrauschen; Synchronisation; VCO

Abstract
A coplanar subbarmonic injection locked W-band HEMT VCO with an integrated varactor diode and buffer amplifier was developed, achieving a tuning range of 10 GHz and an output power of 8 dBm at 94 GHz. The oscillator was stabilized by subbarmonic injection locking to reducephase noise and simultaneously by an external phase-locked-loop (PLL) circuit to compensate for temperature drift. The locking range of the system was extended to 1 GHz by the use of the PLL circuit.

: http://publica.fraunhofer.de/documents/PX-41056.html