1970SJ 2658.10-1986 Methods of measurement for semiconductor infrared diodes Methods of measurement for modulated wideband
SJ 2658.10-1986 Methods of measurement for semiconductor infrared diodes Methods of measurement for modulated wideband was changed to SJ/T 2658.10-2015 Measuring method for semiconductor infrared-emitting diode.Part 10: Modulation bandwidth.