tools for my laboratories


  • standard resistors & capacitors & potentiometers values


  • half logarithmic paper (power point file)



  • project laboratory - files to download:
  • list of projects to choose - explanations

  • operation of quartz oscillator

  • introduction to PLL (Phase Lock Loop)


  • 4066 Phase Lock Loop integrated circuit - explanations


  • 4066 Phase Lock Loop integrated circuit - data sheet






  • data sheets for my laboratories

  • 1n914 diode


  • zener diodes 0.5 w


  • zener diodes 1 w


  • bipolar transistor 2n2219 npn


  • power bipolar transistor mje3055 npn & mje2955 - 10 a


  • power bipolar transistor 2n3055 npn & mje2n2955 pnp - 15 a


  • jfet 2n5457


  • jfet 5457/8/9


  • lm741 operational amplifier


  • tl081 fet input operational amplifier


  • lf411 fet input operational amplifier


  • lm339 quad voltage comparator with open collector out


  • lm311 voltage comparator with open collector out


  • lm555 - timer


  • lm78l05 - positive fixed voltage regulator - small power (100 ma)


  • lm78l05 - positive fixed voltage regulator - medium power (0.5 a)


  • lm79xx - negative fixed voltage regulator - small power


  • lm79xx - negative fixed voltage regulator - medium power (1.5 a)


  • lm723 - voltage regulator