Abstract

The design and measured performance of a GaAs multi-function X-band MMIC for space-based synthetic aperture radar (SAR) applications with 7-bit phase and amplitude control and integrated serial to parallel converter (including level conversion) is presented. The main application for the multi-function chip (MFC) is to provide full amplitude and phase control in the transmit path and the receive path of T/R modules. The MFC has been realised in the OMMIC ED02AH 0.2 ?m PHEMT process providing enhancement and depletion FET's.

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