A 23:1 bandwidth ratio balun on multilayer organic substrate

We present the design and development of a novel, super wide bandwidth balun on a multilayer organic Liquid Crystal Polymer (LCP) substrate. The balun has a measured bandwidth ratio of 23:1, from 80 MHz to 1860 MHz. Within the operating bandwidth, the balun achieves an input return loss of better th...

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Bibliographic Details
Main Authors: Hai Hoang Ta, Binh Pham, Anh-Vu Pham, Leoni, Robert E.
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Impedance matching
Loss measurement
Marchand balun
Multilayer
Nonhomogeneous media
Organic Substrate
Power transmission lines
Substrates
Transmission line measurements
Wide bandwidth
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Summary:We present the design and development of a novel, super wide bandwidth balun on a multilayer organic Liquid Crystal Polymer (LCP) substrate. The balun has a measured bandwidth ratio of 23:1, from 80 MHz to 1860 MHz. Within the operating bandwidth, the balun achieves an input return loss of better than 10 dB, an insertion loss of better than 1 dB, an amplitude imbalance of better than 0.4 dB and a phase imbalance of better than 10 degree. The size of the balun is 40.64 mm × 40.64 mm or 0.22 λ g × 0.22 λ g , where λ g is guided-wavelength at the center frequency of 970 MHz. This balun achieves the largest bandwidth ratio reported to date on a multi-layered printed circuit board.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2013.6697376