Broadband GaAs MMIC Mixers Feature Ultra Low Conversion Loss

The CMD181 and CMD261 general-purpose, double-balanced mixers can be used for up-conversion and down-conversion, or as image rejection mixers or single sideband modulators with the appropriate external hybrids and power splitters. The CMD181 fundamental mixer’s RF and LO operates from 26 GHz to 45 GHz with a wide IF bandwidth of DC to 12 GHz. With a low conversion loss of -6.5 dB, the CMD181 MMIC mixer also features high LO to RF isolation of -37 dB and LO to IF isolation of -29 dB. This mixer is also highly linear, with an input IP3 of +22 dBm. The CMD261 mixer enables frequency band translation, with an RF from 30 GHz to 46 GHz, an LO frequency range of 16 GHz to 31 GHz and an IF frequency range from 5 GHz to 20 GHz. With only -8 dB conversion loss the CMD261 MMIC mixer also features high LO to RF isolation of -30 dB and LO to IF isolation of -20 dB. These new GaAs mixers are available in compact die form and can operate reliably from -55 °C to +85 °C. For more information and to download a data sheet, click: CMD181 and/or CMD261.


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