Ultra low power 24 GHz HBT mixer

Abstract

Abstrllct -A K band GaAs-HBT mh:er using a cascode structure is presented. Conversion gain of 4 dB can be achieved at 24 GHz with 4 dBm LO power. Power consumption is reduced to 9 mW, hence such mixers are ap p licable as central building blocks of highly integrated low power receiver front-ends in pico ceU networks. Finally, a modification of the mixer is presented which achieves 12 dB conversion gain at a 50 n output port with 12 mW DC power consumption. Index TermsMicrowave mh:ers, Ml\1IC mixers, Bipolar analog integrated circuits.