OscillatorsAvailable
555 Astable Oscillator Calculator
Calculate 555 timer astable frequency, period, HIGH time, LOW time, duty cycle, RA, RB, timing capacitance, VCC thresholds, and tolerance range.
Calculator category
Oscillator & Timing Calculators
Calculate oscillator frequency, timing intervals, duty cycle, pulse width, clocks, timers, and timing circuit parameters.
Available Calculators
12
Engineering Applications
4
Calculators
Each listed tool links to a working calculator with engineering inputs, formulas, examples, notes, and related resources.
OscillatorsAvailable
Wien Bridge Oscillator Calculator
Calculate Wien Bridge oscillator frequency, feedback factor, required gain, gain resistors, loop gain, startup margin, tolerance range, and slew-rate reference.
OscillatorsAvailable
RC Phase-Shift Oscillator Calculator
Calculate classic three-section RC phase-shift oscillator frequency, loaded network attenuation, required inverting gain, loop gain, startup margin, and tolerance range.
OscillatorsAvailable
Colpitts Oscillator Calculator
Calculate Colpitts tank frequency, equivalent capacitance, C1/C2 divider ratios, inductance, capacitor values, reactance, and tolerance range.
OscillatorsAvailable
Hartley Oscillator Calculator
Calculate Hartley oscillator frequency, equivalent inductance, L1/L2 ratios, mutual inductance, coupling effects, capacitance, reactance, and tolerance range.
OscillatorsAvailable
Clapp Oscillator Calculator
Calculate Clapp oscillator frequency, effective tank capacitance, C1/C2/C3 relationships, C3 tuning capacitor, sensitivity, reactance, and tolerance range.
OscillatorsAvailable
Pierce Crystal Oscillator Calculator
Calculate Pierce crystal oscillator load capacitance, C1/C2 load capacitors, stray capacitance, load error, measured ppm error, and crystal specification ranges.
OscillatorsAvailable
Schmitt Trigger RC Oscillator Calculator
Calculate Schmitt trigger RC oscillator frequency, high time, low time, duty cycle, threshold ratios, R/C values, and tolerance range.
OscillatorsAvailable
Comparator Relaxation Oscillator Calculator
Calculate comparator relaxation oscillator thresholds, hysteresis, feedback ratio, RC timing, frequency, duty cycle, and tolerance range.
OscillatorsAvailable
Ring Oscillator Calculator
Calculate digital inverter ring oscillator frequency, period, odd stage count, propagation delay, tPLH/tPHL timing, sensitivity, and PVT delay corners.
OscillatorsAvailable
VCO Frequency & Gain Calculator
Calculate VCO output frequency, KVCO gain, control voltage, tuning range, frequency deviation, linearity, local KVCO, and tolerance corners.
OscillatorsAvailable
Oscillator Frequency Tolerance & PPM Calculator
Calculate oscillator ppm, frequency error, measured accuracy, tolerance range, clock drift, error budgets, aging, temperature stability, and calibration residuals.
How to Use These Calculators
Start From the Engineering Question
Choose the calculator that matches the decision you need to make: decode a component marking, size a value, check a frequency response, estimate loss, or verify a safety margin. A category page is useful only when it helps you reach a working tool, so this page lists released calculators only.
Check Units and Assumptions
Calculator results depend on unit choices, idealized formulas, tolerance, temperature, frequency range, and component limitations. Review the formula and engineering notes on each calculator page before using the result in a schematic, BOM, or PCB layout.
Validate Against Real Parts
Use the calculated value as a design reference, then confirm it against datasheets, derating curves, layout parasitics, measurement conditions, and manufacturer limits. The related guides below provide background when a calculation needs more context.
Engineering Applications
Clock generation
Duty cycle
Pulse width
Timing circuits
Related Engineering Guides
Engineering Guide
Measuring Oscillator Frequency: Counter Timebase, Loading, Drift, and PPM
Measure oscillator frequency with a verified counter reference, gate method, probe loading, temperature sweep, and uncertainty ledger.
10 min · Intermediate
Engineering Guide
LC, Crystal, and VCO Oscillator Design: Loading, Tuning, and Stability
Design Colpitts, Hartley, Clapp, Pierce crystal, and voltage-controlled oscillators using correct tank, loading, tuning-gain, tolerance, and ppm models.
23 min · Intermediate
Engineering Guide
RC, Relaxation, and Ring Oscillator Design: Timing, Thresholds, and Startup
Design 555, Wien bridge, RC phase-shift, Schmitt, comparator relaxation, and ring oscillators with correct timing, threshold, startup, delay, and tolerance models.
21 min · Intermediate
Engineering Guide
Oscillator Design Fundamentals: Startup, Frequency Networks, Loading, and Stability
Design and verify RC, LC, crystal, relaxation, ring, and voltage-controlled oscillators using frequency networks, startup margin, loading, amplitude control, tolerance, and stability checks.
24 min · Intermediate
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