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Low-voltage class AB switched-current technique

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3 Author(s)
Sitdhikorn, R. ; Dept. of Electr. Eng., Mahanakorn Univ. of Technol., Bangkok, Thailand ; Worapishet, A. ; Hughes, J.B.

A low-voltage class AB technique for high-speed and medium-resolution switched-current (SI) signal processing is described. The technique essentially uses the basic class AB SI memory with error-neutralisation and dummy switch schemes to reduce output conductance and charge-injection errors. Simulated results of the balanced class AB memory and bilinear integrator operating at 100 MHz sampling frequency and 1.6 V supply indicates that precision better than 8 bits is entirely feasible over the extreme process and temperature corners

Published in:

Electronics Letters  (Volume:36 ,  Issue: 17 )