A 2-32 GHz InAIAs/lnGaAs-lnP HBT CPW distributed amplifier (DA) has been demonstrated which benchmarks the highest bandwidth reported for an HBT DA. The DA combines a 100 iiHz fmax and 60 GHz fT HBT technology with a cascode coplanar waveguide DA topology to achieve this record bandwidth. The cascode CPW I3A demonstrates both design techriiques and technology capability which can be applied to more complex circuit functions such as active baluns for mixers, active c:ombiners/dividers, and low dc powerbroadband amplification at millimeter-wave frequencies.

No abstract