On the design and characterization of femtoampere current-mode circuits.

In this paper, we show and validate a reliable circuit design technique based on source voltage shifting for current-mode signal processing down to femtoamperes. The technique involves specific-current extractors and logarithmic current splitters for obtaining on-chip subpicoampere currents. It also...

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Bibliographic Details
Published in:	IEEE Journal of solid state circuits 38, 8 (2003).
Main Author:	Linares-Barranco, B.
Format:	Article
Language:	English
Subjects:	0.35 micron. 0.5 Hz. 100 fF. 3.5 fA. Current mirror. Current-mode signal processing. Cutoff frequency. Femtoampere current-mode circuits. Leakage setups. Log-domain first-order low-pass filter. Logarithmic current splitters. On-chip sawtooth oscillator. On-chip subpicoampere currents. Source voltage shifting. Specific-current extractors. Three-metal two-poly standard CMOS. Transistor mismatch.