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Table of Contents Elektor 4/1990
Magazine 4/1990
Downloading of this magazine is reserved for Elektor GREEN and GOLD members only.
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  • RS-232 splitter
  • BBD sound effects unit (2):
    FINAL PART
  • The digital model train (final part):
    CONCLUDING PART
  • Wiring allocation tester
  • Video line selector
  • Parallel processing for faster computing
  • Technological advances in crime detection
  • Robots for the rag trade
  • Q meter
  • Video mixer (4)>
    CONSTRUCTlON, ALlGNMENT AND PRACTICAL USE
  • Watford Electronics
  • Test box
  • Bridge rectifiers revisited:
    HIGH-EFFICIENCY AC-OC CONVERTER/VOLTAGE MULTIPLIER
  • Digitally-controlled preamplifier
  • Automatic mains isolating switch
  • Coded locking circuit for security systems
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