# Oscillator Calculators Online

## Wein Bridge Oscillator

Inputs:
Calculate Fr & B from R & C:

Results:

Calculate R & B from Fr & C:

Results:

Equations Used:
$$F_{r}= \frac{1}{2\pi RC},$$ $$B=\frac{1}{\sqrt{9-(X_{c}/R-R/X_{c})^2}}$$

The above online Wienbridge calculator helps you to calculate the resistor and capacitor values for desired resonant frequency.

## RC Phase Shift Oscillator Calculator

Inputs:
Calculate Fr,Rf & ACL from R & C

Results:

Calculate R,Rf & ACL from Fr & C

Results:

Equations Used:
$$F_{r}= \frac{1}{2\pi RC\sqrt{6}},$$ $$R_{b}=29R,$$ $$A_{CL}=\frac{R_{f}}{R},$$ $$B=\frac{1}{29}$$

### About RC Phase Shift Oscillator Calculator

The above online RC phase shift oscillator calculator is free and calculates the resistor, capacitor, resonant frequency, feedback fraction for the oscillator circuit.

## Colpitts Oscillator Calculator

Inputs:
Calculate Fr,B & ACL(min) from L, C1 & C2

Results:

Calculate L,B & ACL(min) from Fr,C1 & C2

Results:

Equations Used:
$$F_{r}= \frac{1}{2\pi \sqrt{LC}},$$ $$C=\frac{C_{1}C_{2}}{C_{1}+C_{2}},$$ $$B=\frac{C_{1}}{C_{2}}$$

The above online Colpitts Oscillator calculator is free and calculates the resistor, capacitor, resonant frequency, feedback fraction for the oscillator circuit.

## Hartley Oscillator Calculator

Inputs:
Calculate Fr,B & ACL(min) from C, L1 & L2

Results:

Calculate C,B & ACL(min) from Fr,L1 & L2

Results:

Equations Used:
$$F_{r}=\frac{1}{2\pi \sqrt{LC}},$$ $$L=L_{1}+L_{2},$$ $$B=\frac{L_{2}}{L_{1}},$$ $$A_{CL(min)}=\frac{L_{1}}{L_{2}}$$