Abstract

A design technique for LNA size miniaturisation is described which does not compromise electrical performance. The method has been applied to the design of an L-band LNA and results in a measured noise figure of 0.25 dB and 15 dB associated gain. The circuit it realised in MIC technology with a total surface area of less than 4.8 × 8.8 mm2. The reduced size allows the LNA to be cascaded with MMIC gain blocks with little or no volume impact and considerably improved electrical performance compared with a complete MMIC solution.

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