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Practical issues using e-pot circuits

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3 Author(s)
Duffy, C. ; Dept. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Farquhar, E. ; Hasler, P.

Analog VLSI circuits benefit greatly from tunable, on-chip reference voltages such as the electronic potentiometer (e-pot). This paper examines two vital features of the e-pot: the ability to hold a constant reference voltage and the capability to program it quickly. Empirical data is presented verifying long-term voltage storage, and measurements also show how quickly the e-pot may be programmed as a function of bias voltage.

Published in:

Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on  (Volume:5 )

Date of Conference:

2002