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We report on fully integrated K -band synthesizer and signal converter modules. The designs are realized in low-temperature co-fired ceramics, making extensively use of the multilayer features and advanced capabilities of this substrate system. The interior packaging technology exclusively utilizes flip-chip mounting of bare semiconductors. As a key element a low phase noise synthesizer is integrated in a hermetic surface mount package of 8.7 mm times 15.8 mm, achieving an output power of more than 6 dBm in a range between 19.58-20.2 GHz. The stabilization is achieved by a fractional-N phase-locked loop, all required components being integrated inside and on top of the package. The synthesizer design is extended to dual-sideband and single-sideband converters by including mixers and couplers in the same package.
Microwave Theory and Techniques, IEEE Transactions on (Volume:57 , Issue: 1 )
Date of Publication: Jan. 2009