Paper Title:
A Low Phase Noise Voltage-Controlled Oscillator with Harmonic Suppression Based on LTCC Technology
  Abstract

In this paper, a low phase noise hybrid integrated voltage-controlled oscillator (VCO) module with harmonic suppression based on LTCC technology is presented. This is the first report about the hybrid integrated VCO module based on the LTCC substrate in china mainland. The design is simulated and optimized by the ansoft designer and the ansoft HFSS software. To miniaturize the VCO module, two capacitors and an inductor that adjust the oscillation frequency and two capacitors as feedback capacitors are buried in the LTCC substrate. Three resistances for direct current bias are made on the surface of the LTCC substrate. Also the low-pass filter that used for harmonic suppression is embedded in the LTCC substrate. The VCO module achieves an output power of more than 10 dBm in a tuning range between 1000-1200MHz. The measured phase noise is lower than -112.2 dBc/Hz at 10KHz offset between 1000-1200MHz. The overall dimension is as small as 8 mm×7 mm×3.5 mm.

  Info
Periodical
Advanced Materials Research (Volumes 148-149)
Edited by
Xianghua Liu, Zhengyi Jiang and Jingtao Han
Pages
1235-1240
DOI
10.4028/www.scientific.net/AMR.148-149.1235
Citation
L. F. Wang, R. X. Yang, J. F. Wu, Y. Q. Jia, "A Low Phase Noise Voltage-Controlled Oscillator with Harmonic Suppression Based on LTCC Technology", Advanced Materials Research, Vols. 148-149, pp. 1235-1240, 2011
Online since
October 2010
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