Title :
Pseudoduplication-an ACOB technique for single-ended circuits
Author :
Vinnakota, Bapiraju ; Harjani, Ramesh ; Choi, Woo-Young
Author_Institution :
Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA
Abstract :
Analog circuit observer blocks (ACOBs) are a low-overhead design for test technique for analog and mixed-signal circuits that aim to reduce the need for precision in test. We present a new ACOB scheme, pseudoduplication, for single-ended switched capacitor filters. Fault detection is based on a data duplication code which is achieved without actual hardware duplication. Simulation is used to demonstrate how faults are detected. With layouts and simulation, we demonstrate that the overhead is not significant
Keywords :
analogue circuits; circuit testing; design for testability; network synthesis; switched capacitor filters; ACOB; analog circuit observer block; data duplication code; design for test; fault detection; layout; pseudoduplication; simulation; single-ended switched capacitor filter; Analog circuits; Capacitance; Capacitors; Circuit faults; Circuit testing; Electrical fault detection; Fault detection; Filters; Hardware; Switching circuits;
Conference_Titel :
VLSI Design, 1997. Proceedings., Tenth International Conference on
Conference_Location :
Hyderabad
Print_ISBN :
0-8186-7755-4
DOI :
10.1109/ICVD.1997.568162