Oscillator Online Calculator

Select Oscillator:

Wien Bridge Oscillator Phase Shift Oscillator Colpitts Oscillator Hartley Oscillator

Wein Bridge Oscillator Calculator

Inputs:
Calculate F_r & B from R & C:
Resistor(R): Ω KΩ MΩ
Capacitor(C): µF nF pF
Resistor(R1): Ω KΩ MΩ

Results:
Reso. Frequency(F_r):
Resistor(Rf):
Feedback Frac.(B):

Calculate R & B from F_r & C:
Reso.Frequency(F_r): Hz KHz MHz
Capacitor(C): µF nF pF

Results:
Resistor Value(R):
Feedback Fraction(B):

Contents

1. About Wienbridge Oscillator Calculator
   1. Equations Used:
2. About RC Phase Shift Oscillator Calculator
   1. Equations Used:
3. About Colpitts Oscillator Calculator
4. About Hartley Oscillator Calculator
   1. Equations Used:

About Wienbridge Oscillator Calculator

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

Equations Used:

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

RC Phase Shift Oscillator Calculator

Inputs:
Calculate F_r,R_f & A_CL from R & C
Resistor value(R): Ω KΩ MΩ
Capacitor value(C): µF nF pF

Results:
Reso. Frequency(F_r):
Feedback Resistor(R_f):
Closed Loop Voltage Gain(A_CL):

Calculate R,R_f & A_CL from F_r & C
Reso. Freq.(F_r): Hz KHz MHz
V_sat: V
C: µF nF pF

Results:
Resistor Value(R):
Feedback Resistor(R_f):
Closed Loop Voltage Gain(A_CL):

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.

Tutorials on design of Colpitts oscillator are as follows:
(1) 2N2222 Phase Shift Oscillator (2) BC547 Transistor Phase Shift Oscillator

Equations Used:

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

Colpitts Oscillator Calculator

Inputs:
Calculate F_r,B & A_CL(min) from L, C₁ & C₂
Capacitor 1(C1): µF nF pF
Capacitor 2(C2): µF nF pF
Inductor(L): mH µH nH

Results:
Reso. Frequency(F_r):
Feedback Fraction(B):
Closed Loop Voltage Gain(A_CL):

Calculate L,B & A_CL(min) from F_r,C₁ & C₂
Reso. Freq.(F_r): Hz KHz MHz
Capacitor 1(C1): µF nF pF
Capacitor 2(C2): µF nF pF

Results:
Inductor(L):
Feedback Fraction(B):
Closed Loop Voltage Gain(A_CL):

Calculate C₂,B & A_CL(min) given F_r,C₁ & L
Reso. Freq.(F_r): Hz KHz MHz
Capacitor 1(C1): µF nF pF
Inductor(L): mH µH nH

Results:
Capacitor(C₂):
Feedback Fraction(B):
Closed Loop Voltage Gain(A_CL):

About Colpitts Oscillator Calculator

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

Tutorials on design of Colpitts oscillator are as follows:
(1) Colpitts oscillator with LM358 and TL072 Op-Amps

(2) 2N5550 Colpitts Oscillator 

(3) Drain Feedback biased E-MOSFET Colpitts Oscillator 

(4) Search Coil E-MOSFET Colpitts Oscillator

(5) Self Biased JFET Colpitts Oscillator 

(6) Practical Colpitts Oscillator on Breadboard

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

Hartley Oscillator Calculator

Inputs:
Calculate F_r,B & A_CL(min) from C, L₁ & L₂
Inductor 1(L1): mH µH nH
Inductor 2(L2): mH µH nH
Capacitor(C): µF nF pF
Results:
Reso. Freq.(F_r):
Feedback Fraction(B):
Closed Loop Voltage Gain(A_CL):

Calculate C,B & A_CL(min) from F_r,L₁ & L₂
Reso. Freq.(F_r): Hz KHz MHz
Inductor 1(L₁): mH µH nH
Inductor 2(L₂): mH µH nH

Results:
Capacitor(C):
Feedback Fraction(B):
Closed Loop Voltage Gain(A_CL):

About Hartley Oscillator Calculator

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

Tutorials on design of Hartley oscillator are as follows:
(1) JFET Hartley Oscillator (2) Hartley Oscillator Design with Enhancement MOSFET

Equations Used:

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