TOOLS / Circuits
Circuits & Analog
Filters, RLC networks, op-amps, and common resistor/capacitor calculations.
Active Filter DesignerA browser-local Active Filter Designer for electronic-information study and early engineering checks.Equal-component Sallen-KeyRLC Frequency Response AnalyzerA browser-local RLC Frequency Response Analyzer for electronic-information study and early engineering checks.Complex-impedance responseRC Charge / Discharge AnalyzerA browser-local RC Charge / Discharge Analyzer for electronic-information study and early engineering checks.First-order RC transientWheatstone Bridge CalculatorA browser-local Wheatstone Bridge Calculator for electronic-information study and early engineering checks.Four-arm resistor bridge555 Timer CalculatorA browser-local 555 Timer Calculator for electronic-information study and early engineering checks.Standard NE555 equationsAdjustable Regulator CalculatorA browser-local Adjustable Regulator Calculator for electronic-information study and early engineering checks.LM317 first-order modelY-Δ Resistor TransformerA browser-local Y-Δ Resistor Transformer for electronic-information study and early engineering checks.Three-terminal network conversionFixed-Topology Op-Amp AnalyzerA browser-local Fixed-Topology Op-Amp Analyzer for electronic-information study and early engineering checks.Ideal op-amp budgetGeneral Bode AnalyzerA browser-local General Bode Analyzer for electronic-information study and early engineering checks.Rational transfer functionVoltage Divider CalculatorA browser-local Voltage Divider Calculator for electronic-information study and early engineering checks.Thevenin dividerSeries / Parallel Resistor CalculatorA browser-local Series / Parallel Resistor Calculator for electronic-information study and early engineering checks.Linear resistor networkSeries / Parallel Capacitor CalculatorA browser-local Series / Parallel Capacitor Calculator for electronic-information study and early engineering checks.Ideal capacitor networkLED Current-Limiting Resistor CalculatorA browser-local LED Current-Limiting Resistor Calculator for electronic-information study and early engineering checks.Static current-limiting estimate