A Compact, Low Power and High Sensitivity E-Band Frequency Divider SiGe HBT MMIC

A compact inductorless E-band static frequency divider with the division ratio of 8 is reported in this paper. It has a sensitivity of -43 dBm at the self-oscillating frequency of 75.3 GHz and sports the sensitivity better than -14 dBm in a frequency range from 70 to 77 GHz. The divider consists of 3 emitter-coupled logic based dividers with the division ratio of 2. High frequency of operation and low power consumption are achieved by introducing a split-resistors load topology, improved by means of a critical interconnections optimization. With these circuit measures, the current consumption of the E-band divider-by-8 can be effectively reduced to 63 mA.