Circuits
Cryogenic (4K) Measurements of Some Resistors and Capacitors
Electronics Division Technical Note 205, National Radio Astronomy Observatory, 5 Mar 2007.
A Superconducting 180 IF Hybrid for Balanced SIS Mixers
A. R. Kerr, A. W. Lichtenberger, C. M. Lyons, E. F. Lauria, L. M. Ziurys, and M. R. Lambeth
Proc. 17 th Int. Symp. on Space THz Tech., Paris, May 2006. http://www.cv.nrao.edu/~akerr/THz2006.pdf
On the Noise Properties of Balanced Amplifiers
A. R. Kerr
IEEE Microwave and Guided Wave Letters, vol. 8, no. 11, pp. 390-392, Nov. 1998. Link. Also MMA Memo 227.
The NRAO Type-2B 1-2 GHz SIS Bias-T
Electronics Division Technical Note No. 173, National Radio Astronomy Observatory, Charlottesville, VA, 15 Feb. 1996.
The NRAO Type-50A 4-6 GHz SIS Bias-T
Electronics Division Technical Note No. 174, National Radio Astronomy Observatory, Charlottesville, VA, 11 July 1995.
Some fundamental and practical limits on broadband matching to capacitive devices, and the implications for SIS mixer design
A. R. Kerr
IEEE Trans. Microwave Theory Tech., vol. MTT-43, no. 1, pp. 2-13, Jan. 1995. Link. See also MMA Memo 103 Sep. 1993.