atmaca
Full Member level 4
fm transmitter simulation
Hii All,
Im trying one transistor FM modulator with demo version of MicroCAP.
The circuit makes two functions at the same time one is osc. The other is to amplify audio signal. This kind of a two function circuit had been named as reflex circuit. Amplified audio signal changes the voltage-dependent-capacitor between the collector and base of the BJT transistor. And this capacitor functions like a varactor.
But I can not see any modulation. What can the reason of this be? May not the simulator simulate this two function at the same time ?
Thanks
Hii All,
Im trying one transistor FM modulator with demo version of MicroCAP.
The circuit makes two functions at the same time one is osc. The other is to amplify audio signal. This kind of a two function circuit had been named as reflex circuit. Amplified audio signal changes the voltage-dependent-capacitor between the collector and base of the BJT transistor. And this capacitor functions like a varactor.
But I can not see any modulation. What can the reason of this be? May not the simulator simulate this two function at the same time ?
Thanks