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Externally compensated operational amplifier

LM301A Basic Circuit

Build a basic LM301A circuit with labeled pins, component values and connection guidance.

Package view

LM301A in a circuit

Physical eight-pin IC, split rails and a visible 30 pF connection.

LM301A gain-of-ten circuit with 30 pF between pins 1 and 8, split 15 V supplies and negative feedback.
Pin 5 is open; pin 8 is connected to the compensation capacitor.

Connect it, step by step

Follow the component values and pin connections

Compare the inputs

The differential stage responds to the voltage between IN+ and IN−.

Choose compensation

The external capacitor shapes loop response. The illustrated 30 pF connection is between pins 1 and 8; keep it short.

Close the feedback loop

Negative feedback makes the nominal DC gain 1 + 90 kΩ / 10 kΩ = 10. Real offset, bias current, bandwidth and loading cause error.

Component view