论文信息 - Broad-Banding and Changing Operation Frequency of Circulator

Broad-Banding and Changing Operation Frequency of Circulator

Broad-banding of a circulator and changing of operation frequency of a lumped-element circulator are discussed. The point of broad-banding is to represent the circulator in a distributed element equivalent circuit. The improvement of the relative bandwidth was between 10 and 20 percent. The point of changing of operation frequency is to use a variable capacitance diode instead of a fixed one. The result is that the operating frequency changed from 120 to 220 MHz with a bias voltage change from 2 to 10 V.

Y. Naito | N. Tanaka | Y. Naito | N. Tanaka

[1] V. E. Dunn,et al. New Design Techniques for Miniature VHF Circulators , 1965 .

[2] J. O. Bergman,et al. Equivalent Circuit for a Lumped-Element Y Circulator (Correspondence) , 1968 .

[3] G. McChesney,et al. Broadband, Lumped Element UHF Circulator (Correspondence) , 1967 .

[4] E. Schwartz. Broadband Matching of Resonant Circuits and Circulators , 1968 .

[5] H. J. Carlin,et al. Direct Synthesis of Band-Pass Transmission Line Structures , 1965 .

[6] Y. Konishi. Lumped Element Y Circulator , 1965 .

[7] L. K. Anderson,et al. An Analysis of Broadband Circulators with External Tuning Elements , 1967 .