Bipolar junction transistor -History Basic operation of BJt E(p-type) B(n-type) c(p-type) (2) X(3) Schematic current flows in pnp BJT 「8 (1)Hole particle current from E to B (2) Electron particle current from b to e (3)Recombination current in B (4)Hole particle current originating in E and reaching C (5Reverse electron particle current from C to B (6)Reverse hole particle current from B to C (What is difference between"current and"particle current?) OE F Schubert, Rensselaer Polytechnic Institute, 2003© E. F. Schubert, Rensselaer Polytechnic Institute, 2003 1 Bipolar junction transistor - History Basic operation of BJT (1) Hole particle current from E to B (2) Electron particle current from B to E (3) Recombination current in B (4) Hole particle current originating in E and reaching C (5) Reverse electron particle current from C to B (6) Reverse hole particle current from B to C (What is difference between “current” and “particle current”?)