EEKit Blog. Programmer's Notes: 1kHz Sine Wave Generator: Wien Bridge Oscillator

14 Sept 2021

1kHz Sine Wave Generator: Wien Bridge Oscillator

The sine wave generator is based on the Wien's Bridge.

Calculations:

f = 1/2πRC

R6 = R8 = R

C3 = C4 = C

R7 = 2*R5

if

R = 15k, C = 10n

then

f = 1061,032954 Hz = 1,061 kHz

Op-Amp: LM741, TL071, or any other.

Output: 1,25Vpp or up to 4,0Vpp

Schematic and output:

Op-Amp Sine Wave Generator Schematic: Wien Bridge Oscillator

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