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Design of Broadband 12 ㎓ Active Frequency Doubler using PHEMT  

전종환 (인천대학교 전자공학과)
강성민 (인천대학교 전자공학)
최재홍 (인천대학교 전자공학)
구경헌 (인천대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.15, no.6, 2004 , pp. 560-566 More about this Journal
Abstract
In this paper, active frequency doubler with broadband characteristics from 6 ㎓ to 12 ㎓ was designed and fabricated using PHEMT. The designed frequency multiplier has a bias point near pinch-off and a proposed series RC circuit between bias line and input matching network far the improvement of stability. With 0 ㏈m input power, second harmonic of 1.7 ㏈m at 12 ㎓ -27.5 ㏈c suppression of 6 ㎓ fundamental, -18 ㏈c suppression of 18 ㎓ 3rd harmonic, and the 3 ㏈ output bandwidth of 1,8 ㎓ have been measured.
Keywords
Frequency Multiplier; Frequency Doubler; Class B Multiplier; Broadband; Unconditional Stability;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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