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The analysis of relation between Q-factor and phase noise by using substrate-integrated waveguide cavity oscillators

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3 Author(s)
Hsiao-Wei Chen ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Hsin-Chia Lu ; Tian-Wei Huang

The relation between Q-factor and phase noise is verified in this paper. According to the phase noise model proposed by D.B. Leeson in 1966, it estimates about a 6 dB reduction in phase noise as Q-value of resonator doubled. By fabricating three substrate-integrated waveguide cavity oscillators on different substrates with different Q-values, we could obtain the same tendencies between measurements and computed values from the proposed model and thus verified the relation between Q-factor and phase noise.

Published in:

Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings  (Volume:4 )

Date of Conference:

4-7 Dec. 2005