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.
Original language | English |
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Pages (from-to) | 216-218 |
Number of pages | 3 |
Journal | Microwave and Optical Technology Letters |
Volume | 36 |
Issue number | 3 |
DOIs | |
State | Published - 5 Feb 2003 |
Keywords
- Ka-band satellite transponder
- Local oscillator
- Phase noise