question about 4017+uln2803

Discussion in 'General Electronics Chat' started by mostaghfir, Jul 14, 2012.

  1. mostaghfir

    Thread Starter Member

    Dec 29, 2010
    10
    0
    hello:
    to getting amplification of 4017 counter outputs i use 10 trs 2n2222 . now i ask if we can replace 8 trs with an ic uln 2803 (have 8 transistors array)
    thanks
     
  2. #12

    Expert

    Nov 30, 2010
    16,338
    6,824
    I think so, but I can't be sure without any datasheets or a diagram of how YOU are building the circuit.
     
  3. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    ULN2804 would be a better match, as it has 10.5k Ohm resistors on the input instead of 2.3k like the '2803's.
     
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