page_title: Step recovery diode
hierarchical_section_title: Step recovery diode
caption_attribution_description: English: Signal of a SRD frequency comb generator (HP 33003A)
context_page_description: In electronics, a step recovery diode is a semiconductor junction diode having the ability to generate extremely short pulses. It is also called snap-off diode or charge-storage diode or memory varactor, and has a variety of uses in microwave electronics as pulse generator or parametric amplifier.
  When diodes switch from forward conduction to reverse cut-off, a reverse current flows briefly as stored charge is removed. It is the abruptness with which this reverse current ceases which characterises the step recovery diode.
context_section_description: In electronics, a step recovery diode (SRD) is a semiconductor junction diode having the ability to generate extremely short pulses. It is also called snap-off diode or charge-storage diode or (much less frequently) memory varactor, and has a variety of uses in microwave electronics as pulse generator or parametric amplifier.
  When diodes switch from forward conduction to reverse cut-off, a reverse current flows briefly as stored charge is removed.  It is the abruptness with which this reverse current ceases which characterises the step recovery diode.
caption: Signal of a SRD frequency comb generator (HP 33003A)
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