Wien Bridge oscillator analysis

[wien]

This is a circuit diagram that sets the resonant frequency to 110 kHz. I want to change the resistance, voltage, and capacitor values so that the resulting values have a voltage of 10 v, a current of 2 A, and a resonance frequency of 110 kHz. How can I change it? You can change any value, so please suggest a value. Thank you for reading it.

 

[FvM]

The circuit is fake. AD8099 is designed for +/- 5V supply, not +/- 100 V. There's also no sense in using a GHz OP for 100 kHz power oscillator.

Wien bridge doesn't achieve good sine quality without an amplitude control circuit. As for 2A output current capability, you can use separate output buffer or power OP.

 

[BradtheRad]

In simulation...
The R & C values are already close enough to yield 105 kHz.

Place a 5 ohm load at the output. The op amp only needs supply rails +10V -10V. It should be a power op amp.

If your spec current is RMS, then make supply rails sufficient amplitude to yield your spec value.

 

[LvW]

In addition to all former comments:
When you need a specific signal amplitude of a "good" sinusoidal output, you must use a well-designed amplitude-limiting mechanism.
Otherwise the sgnal will be hard-limited (clipped) at the opamps maximum possible output voltage.

 

[wien]

The circuit is fake. The AD8099 is designed for +/- 5V supply, not +/- 100V. It also doesn't make sense to use a GHz OP for a 100kHz power oscillator.

Wien bridges cannot achieve good sine quality without amplitude control circuitry. For the 2A output current function, you can use a separate output buffer or power OP.

Which opamp should I use, and how should I amplify it when the current is too small?

 

[BradtheRad]

Which opamp should I use, and how should I amplify it when the current is too small?

For bipolar AC @ 2A, a frequent output stage is a half-bridge consisting of two transistors (NPN & PNP). Or darlington type.