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http://dx.doi.org/10.7471/ikeee.2012.16.2.121

A Design of Push-push Voltage Controlled Oscillator using Frequency Tuning Circuit with Single Transmission Line  

Ryu, Keun-Kwan (국립한밭대학교 전자.제어공학과)
Kim, Sung-Chan (국립한밭대학교 전자.제어공학과)
Publication Information
Journal of IKEEE / v.16, no.2, 2012 , pp. 121-126 More about this Journal
Abstract
In this paper, a push-push VCDRO (Voltage Controlled Dielectric Resonator Oscillator) with a modified frequency tuning structure is investigated. The push-push VCDRO designed at 16GHz is manufactured using a LTCC (Low Temperature Co-fired Ceramic) technology to reduce the circuit size. The frequency tuning structure is embedded in intermediate layer of A6 substrate by an advantage of LTCC process. Experimental results show that the fundamental frequency suppression is above 30dBc, the frequency tuning range is 0.43MHz over control voltage of 0 to 12V, and phase noise of push-push VCDRO presents a good performance of -103dBc/Hz at 100KHz offset frequency from carrier.
Keywords
Oscillator; Dielectric Resonator; VCDRO; Push-push;
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