An 18GHz-band MMIC linearizer using a parallel diode with a bias feed resistance and a parallel capacitor has been proposed. This linearizer has weak positive gain deviation and its gain deviation can be controlled without changing phase deviation.band power amplifier, an improvement of IMD3 of 20 dB has been achieved.By applying this linearizer to an 18GHz-
WINDS was launched in late February 2008 to demonstrate technologies enabling an ultra-high data rate communication network. WINDS is performing initial functional verifications of onboard components and systems. This paper describes the initial operation results on orbit and evaluates the performance based on the design and simulation data.
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