This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: This content was downloaded by: yizhang1 IP Address: 202.127.23.204 This content was downloaded on 08/07/2014 at 06:17 Please note that terms and conditions apply. Analysis of a dc SQUID readout scheme with voltage feedback circuit and low-noise preamplifier View the table of contents for this issue, or go to the journal homepage for more 2014 Supercond. Sci. Technol. 27 085011 (http://iopscience.iop.org/0953-2048/27/8/085011) Home Search Collections Journals About Contact us My IOPscience