LM748 Spice Model
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Author:  gnsmith116 [ Thu May 24, 2012 2:57 am ]
Post subject:  LM748 Spice Model


Can anyone point me to a spice model (using LMSpice) for the LM748 op amp? The simulation shows a reasonable waveform shape on VCA transistor collectors but the OP AMP output of the LM741 model that I am using only shows 1/2 cycle and I am wondering if it has to do with the model.

This is my first post - is there a way to attach files?



Author:  gnsmith116 [ Fri May 25, 2012 12:19 am ]
Post subject:  Re: LM748 Spice Model

It turns out that I drew the schematic wrong and tied R74 to ground instead of Vr. The 741 op amp model seems to be working fine now.


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