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The applets in the chapter are meant as an introduction to switch-level simulation and demonstrate a few basic relay-based circuits.

Interactive switches and relays are used as the simulation components, and the resulting circuits look very simple. However, a modified simulation algorithm is required for switch-level simulation, because the circuit topology changes whenever a switch is opened or closed. The description for the first applet below (introduction) includes a short overview of the swich-level simulation algorithm used in Hades. The next chapter introduces switch-level models of MOS-transistors and logic gates.

 spacer  Introduction to switch-level simulation applet  webstart  print 
 spacer  relays applet  webstart  print 
 spacer  relay-based AND and NAND gates applet  webstart  print 
 spacer  relay-based OR and NOR circuits applet  webstart  print 
 spacer  relay-based XOR applet  webstart  print 
 spacer  relay-based polarity change applet  webstart  print 
 spacer  relay-based multiplexer and demultiplexer applet  webstart  print 
 spacer  relay-based full adder applet  webstart  print 
 spacer  dual-rail-carry full adder (Konrad Zuse) applet  webstart  print 
 spacer  relay-based SR flipflop applet  webstart  print 
 spacer  relay-based SR flipflop (two relays) applet  webstart  print 
 spacer  relay toggle flipflop  applet  webstart  print 
 spacer  relay toggle flipflop  applet  webstart  print 
 spacer  symmetric relay toggle flipflop  applet  webstart  print 
Usage | FAQ | About | License | Feedback | Tutorial (PDF) | Referenzkarte (PDF, in German)
Impressum http://tams-www.informatik.uni-hamburg.de/applets/hades/webdemos/05-switched/10-iswitch/basic-switches.html