// multi-utility computation suite · offline · instant · precise
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eng.op-amp-non-inverting Calculator
Calculates non-inverting op-amp gain and bandwidth from feedback resistor values. Non-inverting amplifier gain = 1 + Rf/Rg — the minimum gain is 1 (voltage follower) and the input impedance is very high, making it ideal for buffering high-impedance sources.
Inputs
R1 Kohm
Reference formula or conversion factor shown for context.
R2 Kohm
Reference formula or conversion factor shown for context.
Vin V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
Vcc V
Electric potential difference (V). Drives current through a circuit. Household: 120 V (US) or 230 V (EU/UK).
Results
voltage gain Av
Electric potential difference between the two terminals (V). In AC systems, quoted as RMS — 230 V mains has a peak of ~325 V.
output voltage Vout (V)
Electric potential difference between the two terminals (V). In AC systems, quoted as RMS — 230 V mains has a peak of ~325 V.
Av = 1 + R₂/R₁
Reference formula or conversion factor shown for context.
output impedance
Total opposition to AC current (Ω), combining resistance and reactance. Z = √(R² + X²). Maximum power transfer occurs when source and load impedances match.
input impedance
Total opposition to AC current (Ω), combining resistance and reactance. Z = √(R² + X²). Maximum power transfer occurs when source and load impedances match.
voltage follower
Electric potential difference between the two terminals (V). In AC systems, quoted as RMS — 230 V mains has a peak of ~325 V.