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What is difference about the colpitts with Pspice and SWCAD

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John_li

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hi all,
I simulated a colpitts with Pspice and swcad,but i can not get the same result.I set the initial condition:C1,C2,C3=1V and L1=1 or 3mA with Pspice,can not oscillate,but with SWCAD is ok.In fact,In lab,it is ok.My question,what happen in Pspice?Is my IC setting wrong?
SCH:
51_1201741563.gif

SWCAD result:
Pspice Result:
 

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