| Standard ID | SJ 1391-1978 (SJ1391-1978) |
| Description (Translated English) | Methods of measurement for voltage standing wave ratio on cold conditions of noise-generator diodes |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | L39 |
| Word Count Estimation | 2,253 |
| Date of Implementation | 1979/7/1 |
| Regulation (derived from) | Industry-Science (2010) No. 77 |