Abstract
In this paper, two novel substrate integrated waveguide (SIW) transmitters, in Ku band and K band respectively, based on low-temperature co-fired ceramic (LTCC) technology, are proposed. A Ku band SIW filter with elliptic response is located in the input of the Ku band single channel transmitter, as well as SIW transmission lines embedded in LTCC substrate for good isolation with DC bias. A SIW divider is then proposed to realize a K-band four channels transmitter module to make sure the RF layer is in the bottom of LTCC substrate to get better heat dissipating performance. Both are verified by experiments. Good agreements between the simulated and measured results are observed, which have also validated the proposed concept of the transmitter design with the SIW technology in LTCC.
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