Capacitor Charge Sharing
Estimate final voltage and energy dissipated when charged capacitors are connected.
ElectronicsOpen tool ↗THE FEUTEX TOOLKIT
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1444 tools
RC Threshold Crossing
Calculate charging time to a specified comparator threshold.
ElectronicsOpen tool ↗RL Step Current
Evaluate inductor current and magnetic settling after a voltage step.
ElectronicsOpen tool ↗Series RLC Impedance at Frequency
Compute impedance magnitude, phase and current for a series RLC load.
ElectronicsOpen tool ↗Series RLC Damping Regime
Calculate damping ratio and critical resistance of a series RLC transient.
ElectronicsOpen tool ↗555 Astable Timing
Estimate high time, low time, frequency and duty cycle for a standard astable.
ElectronicsOpen tool ↗I²C Pull-Up Resistance Window
Compare rise-time and sink-current limits for a bus pull-up.
ElectronicsOpen tool ↗MOSFET Hard-Switching Loss Budget
Separate approximate conduction and switching overlap losses.
ElectronicsOpen tool ↗MOSFET Gate-Drive Charge Budget
Estimate average gate-drive load and charge-delivery time.
ElectronicsOpen tool ↗Linear Regulator Thermal Budget
Estimate dissipation and junction temperature from a linear-regulator operating point.
ElectronicsOpen tool ↗Buck Converter CCM Ripple
Evaluate duty cycle, inductor ripple and peak current under ideal CCM.
ElectronicsOpen tool ↗Boost Converter CCM Ripple
Evaluate ideal duty and inductor currents for a boost power stage.
ElectronicsOpen tool ↗Inverting Buck-Boost Stress
Estimate ideal duty, switch blocking voltage and average inductor current.
ElectronicsOpen tool ↗Capacitor Ripple Heating
Separate ripple voltage and ESR dissipation for sinusoidal ripple current.
ElectronicsOpen tool ↗Parallel Thermal Paths
Combine two heat-flow paths and estimate steady-state temperature rise.
ElectronicsOpen tool ↗ADC Quantization Budget
Estimate ideal code size, RMS quantization noise and full-scale sine SNR.
Signal ProcessingOpen tool ↗ADC Sampling Jitter Budget
Combine independent aperture and clock jitter and estimate sine SNR.
Signal ProcessingOpen tool ↗ADC SINAD and Effective Bits
Combine measured noise and distortion ratios into SINAD and ENOB.
Signal ProcessingOpen tool ↗Oversampling Process Gain
Estimate noise reduction after ideal bandlimiting of white quantization noise.
Signal ProcessingOpen tool ↗FFT Record and Bin Plan
Relate acquisition length to bin spacing, record duration and Nyquist limit.
Signal ProcessingOpen tool ↗Coherent FFT Tone Plan
Choose the nearest integer-bin tone and report detuning from a target.
Signal ProcessingOpen tool ↗Sampled Tone Alias Folding
Fold a real sinusoidal input into the first Nyquist zone.
Signal ProcessingOpen tool ↗Moving Average Frequency Response
Calculate FIR boxcar attenuation and delay at a selected tone.
Signal ProcessingOpen tool ↗Exponential Smoother Time Response
Calculate exact decay coefficient and residual error after a step.
Signal ProcessingOpen tool ↗Linear-Phase FIR Runtime Budget
Estimate FIR delay and direct-form operation rate.
Signal ProcessingOpen tool ↗CIC Decimator Gain and Bit Growth
Calculate DC gain and worst-case accumulator growth of a CIC decimator.
Signal ProcessingOpen tool ↗Window Equivalent Noise Bandwidth
Compute ENBW from precomputed window coefficient sums.
Signal ProcessingOpen tool ↗Sample-Hold kT/C Noise
Estimate sampled thermal noise and its scale relative to one ADC code.
Signal ProcessingOpen tool ↗Op-Amp White Noise Budget
Combine source thermal, voltage-noise and current-noise contributions.
Signal ProcessingOpen tool ↗Shot Noise in a Current Measurement
Estimate Poisson shot noise and relative current uncertainty over bandwidth.
Signal ProcessingOpen tool ↗Flicker and White Noise Integration
Integrate a one-over-f plus white voltage-noise spectrum.
Signal ProcessingOpen tool ↗Two-Tone Intermodulation Frequencies
Locate sum, difference and near-carrier third-order products.
CommunicationsOpen tool ↗Third-Order Intercept Estimate
Infer an extrapolated output intercept from measured fundamental and IM3 power.
CommunicationsOpen tool ↗Two-Stage Noise Figure
Quantify cascade noise using first-stage gain and both noise figures.
CommunicationsOpen tool ↗Integer-N PLL Frequency Plan
Calculate phase-detector and synthesized output frequencies.
CommunicationsOpen tool ↗DDS Tuning Word and Error
Quantize a target frequency to a DDS phase-accumulator tuning word.
CommunicationsOpen tool ↗Flat Phase-Noise Jitter Estimate
Integrate a flat single-sideband phase-noise floor over an offset band.
CommunicationsOpen tool ↗Clock Drift over an Interval
Estimate worst-sign relative timestamp drift for two independent frequency bounds.
ElectronicsOpen tool ↗Timer Divider Quantization
Find the nearest integer divider and resulting timing error.
ElectronicsOpen tool ↗PWM Frequency and Resolution
Relate an edge-aligned timer period to PWM duty steps.
ElectronicsOpen tool ↗ADC Acquisition Settling Budget
Estimate RC acquisition time needed to settle a full-scale step to half a code.
Signal ProcessingOpen tool ↗Free-Space Radio Link Budget
Combine free-space attenuation, antenna gains and stated losses into received power.
CommunicationsOpen tool ↗First Fresnel Zone Clearance
Estimate Fresnel radius at an obstruction and its fractional clearance.
CommunicationsOpen tool ↗Receiver Thermal Sensitivity Budget
Combine thermal noise, noise figure and required SNR into input sensitivity.
CommunicationsOpen tool ↗Complex Load Reflection and Mismatch
Evaluate reflected-power fraction and mismatch loss for a complex load on a real line.
CommunicationsOpen tool ↗Independent EVM Error Budget
Combine uncorrelated error-vector components and estimate noise-equivalent SNR.
CommunicationsOpen tool ↗FM Carson Bandwidth
Estimate occupied analog-FM bandwidth and modulation index.
CommunicationsOpen tool ↗OFDM Cyclic Prefix Efficiency
Quantify cyclic-prefix overhead and payload-symbol rate.
CommunicationsOpen tool ↗No matching tools.