Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Year | Description |
| 1999 | Invention patented by John Outram on December 6th, 1999. Abstract: AC calibration apparatus (2) comprising an analogue to digital converter (4), and in which the absolute gain of the analogue to digital converter (4) is dynamically assessed by applying a reference AC signal which is in addition to a sampling signal required for measurement purposes and which is a square wave of a known amplitude at a precise sub-harmonic of the sampling frequency of the analogue to digital converter (4). |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
