Latch Circuits

Discussion in 'General Electronics Chat' started by Divya_ck, Sep 30, 2012.

  1. Divya_ck

    Thread Starter New Member

    Sep 30, 2012
    1
    0
    Hi,
    I was just going through Latch circuits worksheets. The link is given below.
    http://www.allaboutcircuits.com/worksheets/latch.html

    In question no.7, why cant we just use an x-or gate??
    Can anybody explain to me the logic that has been used to control the motor?
     
  2. panic mode

    Senior Member

    Oct 10, 2011
    1,320
    304
    xor would produce "1" when inputs are different. this means it would turn motor on regardless which button is pressed, as long as other button is off.

    look at Q8 and Q9.
     
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