TY - JOUR
AU - Muir, W B
AB - A direct reading AC differential ohm-meter circuit for electron transport measurements in the standard four terminal configuration is described. This circuit can easily detect changes in resistance of 10-5 Omega in a 1 Omega resistor. Power dissipation of a fraction of a microwatt in the sample makes the apparatus suitable for use in a dilution refrigerator. The value of the sample resistance can be read directly in ohms and small changes in this value are obtained as a voltage which is linearly related to the change in resistance. This voltage can be simply calibrated and used for recording directly on a plotter or as input for a control system or data acquisition system.
TI - A low-power AC differential ohm-meter
JF - Journal of Physics E: Scientific Instruments
DO - 10.1088/0022-3735/15/4/010
DA - 1982-04-01
UR - https://www.deepdyve.com/lp/iop-publishing/a-low-power-ac-differential-ohm-meter-fBSPBfRCK7
SP - 425
VL - 15
IS - 4
DP - DeepDyve
ER -