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A low-phase-noise local oscillator for a Ka-band satellite transponder

✍ Scribed by Keun-Kwan Ryu; Moon-Que Lee; In-Bok Yom; Seong-Pal Lee

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
125 KB
Volume
36
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A low‐phase‐noise local oscillator (LO) is developed for a Ka‐band satellite transponder. A novel dielectric resonator‐voltage controlled oscillator (DR‐VCO) is also designed by using a high‐impedance inverter coupled with a dielectric resonator to improve the phase‐noise performance out of the loop bandwidth. This LO performs the harmonic suppression characteristics above 43.83 dBc and requires 2.6‐watt power consumption. The phase‐noise characteristics are exhibited as −102.5 dBc/Hz at 10‐KHz offset frequency and −104.0 dBc/Hz at 100‐KHz offset frequency, respectively, with output power of 13.50 dBm ± 0.33 dB over a temperature range of −20 ∼ +70°C. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 216–218, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10724

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