Cryogenic current comparator bridge for quantum Hall resistance ratio measurements

IEE Proceedings: Science, Measurement and Technology

Volumn 149, Issue 6, 2002, Pages 302-304

  Kleinschmidt, P ^a   Williams, J M ^a   Fletcher, N E ^a   Janssen, T J B M ^a  

^a NATIONAL PHYSICAL LABORATORY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BRIDGE CIRCUITS; CRYOGENIC EQUIPMENT; ELECTRIC CURRENTS; ELECTRIC RESISTANCE MEASUREMENT; ELECTRIC WINDINGS; HALL EFFECT; QUANTUM ELECTRONICS; RESISTORS; SQUIDS;

CRYOGENIC CURRENT COMPARATOR; DIGITAL SERVO; QUANTUM HALL RESISTANCE RATIO;

COMPARATOR CIRCUITS;

EID: 0036875677     PISSN: 13502344     EISSN: None     Source Type: Journal    
DOI: 10.1049/ip-smt:20020758     Document Type: Article

References (8)

1. Williams, J.M., and Hartland, A.: 'An Automated Cryogenic Current Comparator Resistance Ratio Bridge', IEEE Trans. Instrum. Meas., 1991, 40, (2), pp. 267-270
2. Williams, J.M., and Kleinschmidt, P.: 'A Cryogenic Current Comparator Bridge for Resistance Measurements at Currents of up to 100 A', IEEE Trans. Instrum. Meas., 1999, 48, (2), pp. 375-378
3. Fletcher, N.E., Janssen, T.J.B.M., and Williams, J.M.: 'A Cryogenic Current Comparator Based Resistance Bridge for the Range 10 kΩ to 1GΩ'. Presented at 10th British Electromagnetic measurement Conference, BEMC 2001, Harrogate, UK, November 2001
4. Robinson, I.A., and Kibble, B.P.: 'The NPL Moving-Coil Apparatus for Measuring Planck's Constant and Monitoring the Kilogram', IEEE Trans. Instrum. Meas., 1997, 46, (2), pp 596-600
5. Robinson, I.A.: 'An optical-fibre ring interface bus for precise electrical measurements', Meas. Sci. Technol., 1991, 2, pp. 949-956
6. Williams, J.M.: 'A DC current source for metrology applications'. Proceedings of the 6th British Electromagnetic measurement Conference, BEMC 1993, Teddington, UK, November 1993, pp. 19/1-19/4
7. Williams, J.M., Fletcher, N.E., and Munday, P.P.: 'A compact cryogenic current comparator for use in low-loss liquid helium storage Dewars' (to be published)
8. Hartland, A.: 'The Quantum Hall Effect and Resistance Standards', Metrologia, 1992, 29, pp. 175-190