AC Sweep Phase Margin Simulation

nico

nico

Let's use the generic op-amp model with 100 dB gain and 10 Hz pole. Please proceed with the AC sweep.

flux

Here’s the summary of the AC sweep:

Table

MetricValue
Gain Crossover Frequency (f_gc)≈ 91 kHz
Phase Margin at f_gc≈ 90°
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chrisconley

sherilynolivec3po844848

The phase margin of ~90° looks good. Please show me a combined Bode plot with both magnitude and phase curves.
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V1
BATT2
-18v
+18v
BATT1
-18v
R1
Resistance
1KΩ
U2
Rf
Resistance
10KΩ

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