5 added 40 characters in body
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I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and losing control again until the other diode starts conducting.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and losing control again.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and losing control again until the other diode starts conducting.

4 Loose lose typo fixed
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I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and loosinglosing control again.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and loosing control again.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and losing control again.

3 added 47 characters in body
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I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches the diode's forwarda certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and loosing control again.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches the diode's forward voltage, the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and loosing control again.

I think the oscillation is caused due to the high impedance of the diodes while the left opamp output swings from one diode drop voltage to the other. Effectively the opamp output is disconnected for a brief moment and the inputs cause it to go wild as the opamp is much faster than required for the signal. Once the output reaches a certain theshold voltage, the diode is starting to conduct just enough so the feedback loop is 'restored' and the output swings the other way to correct itself, and again the feed back loop goes high impedance and loosing control again.

2 added 57 characters in body
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