Self-aligned InP DHBTs for 150GHz digital and mixed signal circuits

Document Type

Conference Proceeding

Publication Date

12-1-2005

Abstract

A production oriented manufacturing process for Indium Phosphide double-heterojunction bipolar transistor (DHBT) devices that enables 150GHz digital and mixed signal circuits is presented. These transistors have cut-off frequency (f ) and maximum oscillation frequency (f max) both over 300 GHz and open-base breakdown voltage (BV ceo) over 4 V. Common Mode Logic (CML) ring oscillators have exhibited 1.95 ps gate delay and Emitter Coupled Logic (ECL) static frequency dividers that operate up to 152GHz have been demonstrated to benchmark this InP process technology. A 4:1 multiplexer for 100 Gb/s circuits is discussed along with a Gilbert cell Variable Gain Amplifier with excess of 50GHz bandwidth and record gain bandwidth product of 397 GHz. © 2005 IEEE.

Publication Source (Journal or Book title)

Conference Proceedings - International Conference on Indium Phosphide and Related Materials

First Page

325

Last Page

330

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