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  1. K

    LM317 Pspice

    i'm experimenting with the simulation software to match the actual LM317 and the part in orcad, so that i can just simulate in the future if i need some output voltage. Unfortunately, i don't know yet how to use the program.  :)
  2. K

    LM317 Pspice

    i tried reducing R1 to 120 ohms, still the problem exists. i found out now that the green circle signifies a lack of pspice template for the LM317, and maybe the program thought of it as an open circuit. thanks for the reply. still, if anyone can help me or anyone can post a link to a...
  3. K

    LM317 Pspice

    oh, sorry about that, i'm using orcad capture 9.2. i'm trying to simulate a typical application based on the circuit described in a national semiconductor datasheet for the Lm317 here's the link http://www.futurlec.com/Linear/LM317HVT.shtml i'm new to using orcad, i thought maybe you need to...
  4. K

    LM317 Pspice

    ok, so i'm trying to simulate this circuit. i'm using transient analysis on this one and then when i clicked run, the green circle above the Lm317 appeared. Is there a problem in this circuit? or this anything first i must do before i can use the LM317 here? the voltage readings indicate that...
  5. K

    Deep cycle Lead acid batery charger

    Hi there! I'm new here :) I'm trying to build a circuit that can charge a deep cycle battery from a 200w DC power source, input voltage is 12V I have read that charging a lead cycle battery requires three stages. the first stage requires a constant current to be applied to the battery the...
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