A new phase noise reduction technique for MMIC oscillators

A novel technique for reducing oscillator phase noise has been demonstrated. The technique utilizes a pair of limiting diodes to keep the metal-semiconductor field-effect transistor operating in a linear region. An X-band monolithic microwave integrated circuit oscillator was designed, fabricated, a...

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Bibliographic Details
Main Authors: Darwish, A.M., Ezzeddine, A.K., Hung, H.-L.A., Phelleps, F.R.
Format: Conference Proceeding
Language:English
Subjects:
Circuit testing
Diodes
Field effect MMICs
Integrated circuit testing
Microwave FET integrated circuits
Microwave integrated circuits
Microwave oscillators
Monolithic integrated circuits
Noise measurement
Phase noise
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Summary:A novel technique for reducing oscillator phase noise has been demonstrated. The technique utilizes a pair of limiting diodes to keep the metal-semiconductor field-effect transistor operating in a linear region. An X-band monolithic microwave integrated circuit oscillator was designed, fabricated, and tested to demonstrate the concept. A reduction of 15 dB in phase noise at 5 kHz from the carrier was measured. The technique is ideal for GaAs monolithic implementation, and can also be applied to silicon bipolar-based oscillators for phase-noise reduction.< >
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1992.188013