FM Transmitter multisim simulation

Thread Starter

goldriver

Joined Oct 18, 2011
5
I am having problems simulating this fm transmitter circuit on multisim. The oscilliscope doesn't show any oscillations ,it shows a straight DC-LINE. Can someone please check this circuit on multisim and identify what seems to be the problem. Please help
 

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takao21203

Joined Apr 28, 2012
3,702
The transistor model is maybe incomplete.

Certain internal capacitances are not included.

These can be required as functional elements for such circuits.
 

Audioguru

Joined Dec 20, 2007
11,248
Multisim is old and has many problems. I think it is used only by teachers.
The circuit works fine on a modern LTspiceIV sim program that is used by many engineers.
 
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