Low noise front end electronics for dilution refrigerator experiments

Authors

Walter Stockwell
D. Yvon
Éric Aubourg
Peter D. Barnes Jr.
Alan Cummings
Angela Da Silva
B. Ellman
R. R. Ross
Bernard Sadoulet
Tom Shutt
Garth Smith
C. Stubbs
N. Wang
S. White
Betty A. Young, Santa Clara UniversityFollow

Document Type

Article

Publication Date

11-1993

Publisher

Springer

Abstract

We have developed low noise voltage and low noise charge sensitive preamplifiers for use in dilution refrigerator experiments. The amplifiers use a JFET at 140K as the front end. Each JEET dissipates about 7 mW on the 4K heat sink. The flat noise of the voltage amplifier is 0.9 nV/Hz^1/2, with the 1/f knee below 100 Hz. The charge amplifier noise is 500 eV with a total input capacitance of approximately 90 pF.

Recommended Citation

Stockwell, W., Yvon, D., Aubourg, É., Barnes, P. D., Cummings, A., Da Silva, A., Ellman, B., Ross, R. R., Sadoulet, B., Shutt, T., Smith, G., Stubbs, C., Wang, N., White, S., & Young, B. A. (1993). Low noise front end electronics for dilution refrigerator experiments. Journal of Low Temperature Physics, 93(3), 755–760. https://doi.org/10.1007/BF00693508