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This paper presents a Ka-Band BiCMOS trans- mint/receive (T/R) module with amplitude and phase control. In the receive mode, the 33-37 GHz T/R module results in a gain of 9-19 dB, a noise figure of 4-5 dB and an input PidB of -29 dBm. In the transmit mode, the maximum gain and output PdB are 10 dB and +5.5 dBm, respectively, and can be controlled over a 10 dB range (output Psat is +8 dBm). The measured rms gain and phase errors are < 0.6 dB and < 7deg, respectively, in both the transmit and receive modes. The chip is only 0.93 times 1.33 mm2 and consumes 58 mW and 29 mW in the transmit and receive modes, respectively. To our knowledge, this is the first Ka- Band BiCMOS T/R module to-date, and with applications in satellite communications and defense systems.
Date of Conference: 12-15 Oct. 2008