Non-inverting Op-Amp Gain
Calculate non-inverting op-amp gain or either feedback resistor, with the derivation and a rail-limit check.
Open calculator →Electronics calculators
Five focused tools with variable-by-variable solving, visible steps and a linked lesson. Use SI units and check each model before applying the result.
RC Cutoff Frequency
Find an RC cutoff frequency, resistance, or capacitance with SI units and a worked example.
Open calculator →Ideal Transformer Voltage Ratio
Calculate a transformer's ideal voltage or winding turns from its primary and secondary ratio.
Open calculator →Ideal Buck Converter
Estimate ideal buck converter output voltage, input voltage or duty cycle from Vout = D × Vin.
Open calculator →Nyquist Minimum Sample Rate
Find the theoretical Nyquist sampling boundary and learn why real ADC designs require margin.
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