DIN EN 61290-1-2:2006-07
Optical amplifier - Test methods - Part 1-2: Power and gain parameters - Electrical spectrum analyzer method (IEC 61290-1-2:2005); German version EN 61290-1-2:2005 / Note: DIN EN 61290-1-2 (1999-08) remains valid alongside this standard until 2008-10-0...