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For alternative betydninger, se SRD .
Indenfor elektronik er en step-recovery-diode (SRD ) en halvlederdiode som har egenskaben at lave ekstremt korte pulser. SRD kaldes også en snap-off diode eller charge-storage diode eller memory varactor og har flere forskelligartede anvendelser indenfor mikrobølge elektronik som pulsgenerator (frekvenskamgenerator) eller parametrisk forstærker .
Boff, A. F.; Moll, J.; Shen, R. (februar 1960), "A new high speed effect in solid state diodes" , Solid-State Circuits Conference. Digest of Technical Papers. 1960 IEEE International , IRE International Solid-State Circuits Conference, vol. III, New York: IEEE Press, s. 50-51 .
Nosov, Yurii Romanovich (1969), Switching in semiconductor diodes , Monographs in Semiconductor Physics, vol. 4, New York : Plenum Press .
Tkhorik, Yurii Aleksandrovich (1968), Transients in pulsed semiconductor diodes , Jerusalem : Israel Program for Scientific Translations, Ltd. .
"Pulse and Waveform Generation with Step Recovery Diodes" (PDF) , Application Note 918 , Application note AN 918, Palo Alto : Hewlett-Packard , oktober 1984
Tan, Michael R.; Wang, S.Y.; Mars, D.E.; Moll, J.L. (31. december 1991), "A 12 psec GaAs Double Heterostructure Step Recovery Diode" , Technical Reports , HP Labs Technical Reports , vol. HPL-91-187, Palo Alto : Hewlett-Packard , arkiveret fra originalen 23. juni 2012, hentet 2. juli 2012 .
Kirkby, David (april 1999), "Chapter 5 - Pulse Generators" (PDF) , A Picosecond Optoelectronic Cross Correlator using a Gain Modulated Avalanche Photodiode for Measuring the Impulse Response of Tissue . It is a PhD thesis in which an SRD is a key element. Chapter 5 is particularly relevant.