• Analog Custom Design & Analysis Examples

    Analog Custom Design & Analysis Examples

005_lstb_stab_single_ended : Stability analysis

Requires: SmartSpice & Smartview

Minimum Versions: SMARTSPICE 3.17.26.C

An inputdeck is used to setup the .LSTB analysis. The .LSTB analysis is used in single mode to calculate phase, gain margins and frequency characterisrics. A cx# file is written which contains gain as a function of frequency

  • phase_margin(deg)= -8.1393e+001
  • gain_margin(db)= -5.7399e+001
  • phase_margin_freq(Hz)= 2.0786e+005
  • gain_margin_freq(Hz)= 1.4621e+007
  • minfreq = 1.0000e-001 at= 1.0000e-001
  • loop_gain_at_min_freq(db)= 1.0422e+002

The output waveform shows the phase and the gain margin in db as a function of frequency.

Input Files
Graphics
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