The new current loop: An instrumentation and measurement circuit topology

IEEE Transactions on Instrumentation and Measurement

Volumn 46, Issue 5, 1997, Pages 1061-1067

  Anderson, Karl F ^a  

^a Valid Measurements   (United States)

Author keywords

Analog circuits; Anderson loop; Bridge circuits; Circuit topology; High temperature techniques; Measurement; Strain measurement; Temperature measurement; Transducer

Indexed keywords

ELECTRIC CURRENT MEASUREMENT; ELECTRIC NETWORK TOPOLOGY; HIGH TEMPERATURE OPERATIONS; LINEAR INTEGRATED CIRCUITS; STRAIN MEASUREMENT; TEMPERATURE MEASUREMENT; TRANSDUCERS;

ANALOG CIRCUITS; ANDERSON LOOP; WHEATSTONE BRIDGE;

BRIDGE CIRCUITS;

EID: 0031247520     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/19.676711     Document Type: Article

References (10)

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2. K.F. Anderson, "Constant current loop impedance measuring system that is immune to the effects of parasitic impedances," U.S. Patent 5731469, Dec. 1994.
3. A.R. Parker, Jr., "Simultaneous measurement of temperature and strain using four connecting wires," NASA TM-104721, Nov. 1993.
4. S.V. Henkel, Sensors Mag., vol. 13, pp. 8-9, Aug. 1996.
5. G.M. Hill, "High accuracy temperature measurements using RTD's with current loop conditioning," NASA TM-107416, May 1997.
6. K.F. Anderson, "The constant current loop: A new paradigm for resistance signal conditioning," NASA TM-104260, Oct. 1992.
7. _, "Current loop signal conditioning: Practical applications," NASA TM-4636, Jan. 1995.
8. C.D. Olney and J. V. Collura, "A limited in-flight evaluation of the constant current loop strain measurement method," NASA TM-104331, Aug. 1997.
9. K.F. Anderson, "Continuous measurement of both thermoelectric and impedance based signals using either ac or dc excitation," Measurement Science Conf., Jan. 1997.
10. _, "A conversion of Wheatstone bridge to current-loop signal conditioning for strain gages," NASA TM-104309, Apr. 1995.