HMC-MDB171 Datasheet, PDF (4/4 Pages) Hittite Microwave Corporation – GaAs MMIC I/Q MIXER 35 - 45 GHz

v00.0907
HMC-MDB171
GaAs MMIC I/Q MIXER
35 - 45 GHz
Application Circuits
Application circuit 1 shows the mixer equivalent circuit. Application Circuit 2 depicts the mixer with a 90° hybrid used to
achieve signal image rejection. All RF parameters are specified with an ideal 90° hybrid on IF output ports. Conversion
loss is measured (on wafer) at IF1 and/or IF2 (Application Circuit 1) with the second IF port terminated into 50 ohms.
Three dB is then added to compensate for an ideal hybrid. The IP3 is stated as an input IP3 number and is obtained
via a two-tone measurement.
Application Circuit 1
Application Circuit 2
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