Hello Im a Portuguese student from Eng. and i have a problem with a circuit design.
I made a Amplitude modulation real circuit with TL072 AMPOP, but the circuit is not working so i simulate in multisim and the problem still the same in the practice.
The problem is that the Carrier wave modulates the amplitude from the modulate, its wrong the was the message function.
Please i need some help with this, if anyone can send me any circuit for i compare whit mine
I wiil post my circuit later. Sorry
Cumps
BTP
