Power Electronics & Drives Lab

Study of UJT Saw Tooth Generator / Relaxation Oscillator, Model: UJ– 04.



  • Builtin  regulated,  continuously  variable  and  short  circuiting  proof  power  supply  suitable  for  the  experimental  board.
  • Circuit  is  engraved  and  components  are  mounted  on  the  top  of  the  bakelite  sheet  (Decorated)  to  facilitate better  and  clear  understanding.
  • A  complete  working  manual  containing  operating  instruction,  theory  and  circuit  details  will  be  supplied  alongwith  experimental  set - up.
  • Patch  cords  suitable  to  the  terminals  are  supplied  with  the  board  for  easy  inter  connections  and  longer  working  life  of  the  terminals.
  • Weight : 2 Kg. Approximately
  • Dimension : 280mm × 210mm × 82mm 


  1. To  study  the  working  of  UJT  Relaxation  Oscillator / Saw  Tooth  Generator  for  different Capacitors  and  Resistors.


  1. Digital  Multimeter,  Model – 4011.  (“Scientech”  make.)
  2. A  General  purpose  C.R.O.,  Model – 201.  (“Scientech”  make.)


There may be any change in specification due to continuous R & D without notice. 

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