Lc meter Oscillator Circuit

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The circuit should work fine, oscillating around 500kHz. Try to change the op amp model in your simulator (for example with LT 1260)
 
Well i changed the comparator but that didn't solve my problem, i am simulating just the first part of it, the pspice file is attached, plz if u can help me
 

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  • Oscillator.rar
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thanx alot sir, i got it working with pspice, actually i was placing the 10uF capacitor between lc tank and comparator input as it is given in the schematics.
one last thing i would like to ask is that how should i add capacitor or inductors to this, because when i connect another indutor in parallel it gives a loop error, and how this lc circuit is exited? where i can study about this kind of lc comparator oscillator
 

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