Resonance and Passive Components
Analyze resonant circuits, filters, capacitors, inductors, varactors, and resonator quality factor with MicrowaveLab engineering calculators.
- LC Parallel Circuit Solver
Analyze a parallel LC resonant circuit, including resonant frequency, reactance, impedance, bandwidth, and quality factor.
- RLC Circuit Solver
Calculate resonance, impedance, bandwidth, quality factor, and damping characteristics for series and parallel RLC circuits.
- Coupled Resonators Calculator
Analyze magnetically coupled resonators, including mutual inductance, coupling coefficient, resonant modes, and frequency splitting.
- Bandpass Filter Calculator
Calculate bandpass filter center frequency, cutoff frequencies, bandwidth, insertion loss, and quality factor.
- Parallel Plate Capacitor Calculator
Calculate parallel plate capacitance from plate area, separation, and dielectric permittivity, with related electric and stored-energy values.
- Toroidal Inductor Calculator
Estimate toroidal coil inductance from core dimensions, turns, and magnetic permeability for passive component design.
- Varactor C–V Calculator
Explore varactor diode capacitance as a function of reverse bias voltage for voltage-tuned RF and microwave circuits.
- Bond Wire Inductance Calculator
Estimate parasitic bond wire inductance from wire geometry and material properties for high-frequency circuit design.
- Resonator Quality Factor Calculator
Evaluate resonator quality factor, bandwidth, and energy loss using unloaded, loaded, and external Q values.