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Device Figure-of-Merits for High-Speed Digital ICs and Baseband Amplifiers
IEICE TRANSACTIONS on Electronics
Publication Date: 1995/09/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultra-High-Speed Electron Devices)
high-speed IC, amplifier, flip-flop, HBT, MESFET, optical communication,
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Device figure-of-merits for digital ICs are derived from analytical delay expressions for emitter-coupled logic and source-coupled FET logic inverters and are compared with the operating speeds of D-F/Fs reported in previous studies. We show that device figure-of-merits for baseband amplifiers are equivalent to those for digital ICs. The validity of device figure-of-merits are confirmed by measuring the bandwidth of the baseband amplifiers fabricated with AlGaAs/GaAs LBCTs.