Lm723

Discussion in 'General Electronics Chat' started by R!f@@, Mar 5, 2010.

  1. R!f@@

    Thread Starter AAC Fanatic!

    Apr 2, 2009
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    where can I find the library of this part for NI multisim
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
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    Here's a model:
    ---------------MOD BEGINS----------------------
    .SUBCKT LM723 2 3 4 5 6 7 9 10 11 12 13
    * CL CS IN- IN+ VREF VCC- VZ OUT VC VCC+ FRCO
    *
    AZ1 15 12 ZENER1
    J1 15 7 7 JMOD
    R1 15 16 15K
    Q1 16 16 17 QP1
    Q2 20 16 19 QP1
    Q3 20 21 7 QN1
    C1 20 21 5PF
    Q4 12 20 22 QN1
    Q5 12 22 23 QN1
    R2 23 6 100
    AZ2 25 6 ZENER1
    R3 21 25 30K
    R4 25 7 5K
    R5 12 17 500
    R6 12 19 25K
    R7 12 26 1K
    Q6 27 16 26 QP1
    Q7 23 27 28 QN1
    Q8 27 28 29 QN1
    R8 29 7 300
    R9 28 7 20K
    R10 12 30 1K
    Q9 13 16 30 QP1
    Q10 22 5 33 QN1
    Q11 13 4 33 QN1
    Q12 33 28 34 QN1
    R11 34 7 150
    Q13 12 13 36 QN1
    Q14 11 36 10 QOUT
    AZ3 10 9 ZENER2
    Q15 13 2 3 QN1
    R12 36 37 15K
    I1 0 9 0
    I2 0 2 0
    I3 0 3 0
    .MODEL QN1 NPN (BF=200 BR=2 RB=200 RC=200 RE=2 TF=0.35N IS=1E-14 VAF=125
    + CJE=1.0P VJE=0.7 MJE=0.33 CJC=0.3P
    + VJC=0.55 MJC=0.5 CJS=3.0P VJS=0.52 MJS=0.5 )
    .MODEL QP1 PNP (BF=50 BR=4 RB=300 RC=100 RE=10 TF=30N IS=1E-14 VAF=50
    + CJE=0.3P VJE=0.55 MJE=0.5 CJC=1.0P
    + VJC=0.55 MJC=0.5 CJS=3.0P VJS=0.52 MJS=0.5 )
    .MODEL QOUT NPN BF=80 RB=10 RC=5 IS=1E-16 VAF=50 CJE=10P CJC=10P
    + TF=3N TR=20N
    .MODEL JMOD NJF VTO=-3 RS=1 RD=1 LAMBDA=.02 CGS=5P CGS=5P
    .MODEL ZENER1 zener( v_breakdown=6.6 i_breakdown=0.02 r_breakdown=1.5 i_rev=1e-4

    i_sat=1e-12)
    .MODEL ZENER2 zener( v_breakdown=6.2 i_breakdown=0.02 r_breakdown=1.5 i_rev=1e-4

    i_sat=1e-12)
    .ENDS
    ================================MOD ENDS============================

    Only the items between the MOD BEGINS and MOD ENDS should go in the .mod file.
    I don't have your program, so don't have a clue how to implement it. Good luck.
     
    R!f@@ likes this.
  3. SgtWookie

    Expert

    Jul 17, 2007
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  4. R!f@@

    Thread Starter AAC Fanatic!

    Apr 2, 2009
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    760
    Thanks Sgt. I got the part.
     
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