// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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eng.op-amp-gain-bandwidth Calculator
Calculates op-amp closed-loop bandwidth from gain-bandwidth product (GBW) and closed-loop gain. Op-amp bandwidth is inversely proportional to gain (GBW = constant) — a 1 MHz GBW op-amp at gain of 100 has only 10 kHz of usable bandwidth.
Inputs
Open Loop Gain Db
Reference formula or conversion factor shown for context.
Gain Bandwidth Mhz
Horizontal extent perpendicular to the length.
Closed Loop Gain
Reference formula or conversion factor shown for context.
Feedback Resistor Kohm
Reference formula or conversion factor shown for context.
Results
closed-loop bandwidth (kHz)
The computed width.
input resistor R_in (kΩ)
Sample size or count used in the calculation.
gain-bandwidth product
The result of multiplying all input values together.
closed-loop gain
The improvement or increase over the baseline.
GBW = A_CL × f_CL
Reference formula or conversion factor shown for context.
LM741 GBW
Reference formula or conversion factor shown for context.