Low Phase Noise Free-Running Oscillator Based on High Selectivity Bandpass Filter Using Composite Right/Left-Handed Transmission Line

This letter presents a novel low phase noise freerunning oscillator based on a high selectivity bandpass filter (BPF) using a composite right/left-handed transmission line (CRLH TL). The oscillator is designed at the spectrum-based quality factor (Qs) peak frequency to achieve low phase noise perfor...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2016-04, Vol.26 (4), p.273-275
Main Authors: Alburaikan, Abdullah, Aqeeli, Mohammed, Xianjun Huang, Zhirun Hu
Format: Article
Language:English
Subjects:
Band-pass filters
Bandpass filters
Filter-based oscillator
free-running oscillator
Frequency measurement
metamaterials
Microwave oscillators
Microwaves
Noise
Oscillators
Peak frequency
Phase noise
Q-factor
Selectivity
Transmission lines
Voltage
Wireless communication
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Summary:This letter presents a novel low phase noise freerunning oscillator based on a high selectivity bandpass filter (BPF) using a composite right/left-handed transmission line (CRLH TL). The oscillator is designed at the spectrum-based quality factor (Qs) peak frequency to achieve low phase noise performance. Ata center frequency of 2.05 GHz, the oscillator demonstrates, experimentally, a phase noise of -150.4 dBc/Hz at 1 MHz frequency, offset with a figure of merit(FOM) of -207.2 dBc/Hz, less than -32 dBm spurious harmonics, and total oscillator power consumption of 6.1 mW from a 2 V supply voltage.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2016.2537042