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Comments on Op Amp Hartley oscillator

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Op Amp Hartley oscillator

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Im designing a Hartley oscillator this time with a opamp providing the open-loop gain.I have tried drawing the small-signal analysis of my circuit to use KVL and KCL to find the conditions of operation of my Hartley oscillator but now I am stuck.

How should I continue ?

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2 comment threads

Incorrect schematic for a Hartley Oscillator (1 comment)
Use junction dots already! (2 comments)
Incorrect schematic for a Hartley Oscillator
Andy aka‭ wrote almost 2 years ago

The op-amp (beyond its local feedback) needs to have a resistor in series with the output that feeds the first inductor L1 else, it's not a Hartley oscillator. Please learn how to draw schematics correctly.