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Journal of Infrared and Millimeter Waves
Contents
2007
Volume: 26 Issue 4
17 Article(s)
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Research Article
NOVEL COMPOSITE-CHANNEL Al0.3Ga0.7N/Al0.05Ga0.95N/GaN HEMT MMIC VCO WITH LOW PHASE NOISE
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A novel structure composite-channel Al0.3Ga0.7N/Al0.0 Ga0.95N/GaN HEMT (CC-HEMT) microwave monolithic integrated circuit voltage-controlled oscillator (VCO) was designed, fabricated and characterized. The CC-HEMT has 1 μm × 100 μm gate. The inter-digitated metal-semiconductor-metal (MSM) varactor is used to tune t
A novel structure composite-channel Al0.3Ga0.7N/Al0.0 Ga0.95N/GaN HEMT (CC-HEMT) microwave monolithic integrated circuit voltage-controlled oscillator (VCO) was designed, fabricated and characterized. The CC-HEMT has 1 μm × 100 μm gate. The inter-digitated metal-semiconductor-metal (MSM) varactor is used to tune the frequency of VCO. The polyimide dielectric layer is inserted between the major metal traces and GaN buffer to improve Q factor of spiral inductors.The VCO exhibits frequency range between 7.04 ~ 7.29GHz with varactor voltage from 5.5V to 8.5V and average output power of 10dBm and average efficiency of 10.4% at bias gate of -3V and bias drain of 6V. The measured phase noise is-86.25dBc/Hz and -108dBc/Hz at offset frequency of 100 kHz and 1 MHz at varactor voltage (Vtune) of 6.7V. This is almost average phase noise in the range of tuning frequency. To our knowledge, this is the best reported phase noise for GaN monolithic GaN HEMT VCO..
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 241 (2007)
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RESEARCH ON NONUNIFORMITY CORRECTION OF IRFPA BASED ON INTEGRAL TIME ADJUST
[in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 246 (2007)
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SECOND-HARMONIC GENERATION SUSCEPTIBILITIES OF A NITRIDE COUPLING QUANTUM WELL: EFFECTS OF PIEZOELECTRICITY AND SPONTANEOUS POLARIZATION
[in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 251 (2007)
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PERFORMANCE EVALUATION OF THERMAL IMAGING SYSTEMS BASED ON MRTD CHANNEL WIDTH
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 256 (2007)
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OPTICAL PROPERTIES OF DILUTED MAGNETIC Pb1-xMnxTe EPITAXIAL FILMS
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 261 (2007)
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THERMAL DYNAMICS OF BOVINE SERUM ALBUMIN (BSA) STUDIED WITH INFRARED SPECTROSCOPY AND EVOLVING FACTOR ANALYSIS
[in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 265 (2007)
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EARLY DETECTION OF GRAY MOLD (CINEREA) ON EGGPLANT LEAVES BASED ON VIS/NEAR INFRARED SPECTRA
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 269 (2007)
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REAL-TIME DATA PROCESSING OF INTERFERENTIAL IMAGING SPECTROMETER BASED ON FPGA
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 274 (2007)
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EXPERIMENTAL STUDY ON STOKES SCATTERING MATRIXES OF SMOKE PARTICLES
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 279 (2007)
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STUDY ON COMPARISON OF BIDIRECTIONAL SPECULAR REFLECTION COMPONENT AND BIDIRECTIONAL DIFFUSE REFLECTION COMPONENT FROM GRANITE SURFACES
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 284 (2007)
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ERROR ANALYSIS AND ACCURACY VALIDATION OF TWO-POINT CALIBRATION FOR MICROWAVE RADIOMETER RECEIVER
[in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 289 (2007)
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QUASI-PHASE-MATCHED OPTICAL PARAMETRIC OSCILLATOR AND ITS OPTIMAL DESIGN
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 293 (2007)
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HIGH-RATIO COMPRESSION OF REMOTE SENSING IMAGE BASED ON RIDGELET AND NEURAL NETWORK
[in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 297 (2007)
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FEATURE EXTRACTION OF RADAR EMITTER SIGNALS BASED ON GAUSSIAN CHIRPLET ATOMS
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 302 (2007)
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PRELIMINARY DISCUSSION ON CALCULATION OF SEAWATER DENSITY WITH MULTI-ANGLE POLARIZED INFORMATION
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 307 (2007)
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PROPER ORTHOGONAL DECOMPOSITION APPLIED IN THE ANALYSIS OF SIMULATING AERO-OPTICAL DISTORTIONS
[in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 312 (2007)
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PATHLENGTH SELECTION OF DETERMING THE CHEMICAL OXYGEN DEMAND (COD) IN WASTEWATER BY USING NEAR-INFRARED TRANSMISSION SPECTRA
[in Chinese], [in Chinese], and [in Chinese]
.
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Journal of Infrared and Millimeter Waves
Publication Date: Oct. 09, 2021
Vol. 26, Issue 4, 317 (2007)
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