Aerosol generating device with driving circuit matching the impedance of ultrasonic vibrator

A drive circuit of an electronic device, comprising:

• a first electrical contact point that is connectable to a first end of a vibrator included in a cartridge and a second electrical contact point that is connectable to a second end of the vibrator;
• one or more matching inductors connected to the first electrical contact point, wherein a first end of the one or more matching inductors is connected to the first electrical contact point and the one or more matching inductors are connected in parallel;
• an inductor connected to a second end of the one or more matching inductors, wherein a first end of the inductor is connected to the second end of the one or more matching inductors;
• a switch having a drain terminal connected to the second end of the one or more matching inductors, wherein a source terminal of the switch is connected to a ground;
• a first power source configured to provide a voltage to a gate terminal of the switch;
• a second power source configured to provide a voltage to a second end of the inductor;
• and
• a resistor connected between the gate terminal of the switch and the ground.

An electronic device comprising:

• a body configured to be connected to a cartridge,
• wherein the body comprises:
• a driver circuit configured to, when the cartridge is connected to the body, drive a vibrator of the cartridge;
• and
• a controller configured to control an operation of the drive circuit, and
• wherein the drive circuit comprises:
• at least one of a first circuit and a second circuit,
• wherein the first drive circuit comprises:
• a first electrical contact point that is connectable to a first end of the vibrator and a second electrical contact point, that is connectable to a second end of the vibrator;
• one or more capacitors connected in parallel between the first electrical contact point and the second electrical contact point, wherein a first end of the one or more capacitors is connected to the first electrical contact point and a second end of the one or more capacitors is connected to the second electrical contact point;
• an inductor connected to the first electrical contact point, wherein a first end of the inductor is connected to the first electrical contact point;
• a switch having a drain terminal connected to the first electrical contact point, wherein a source terminal of the switch is connected to a ground;
• a first power source configured to provide a voltage to a gate terminal of the switch;
• a second power source configured to provide a voltage to a second end of the inductor;
• and
• a resistor connected between the gate terminal of the switch and the ground
• wherein the second drive circuit comprises:
• a first electrical contact point that is connectable to a first end of the vibrator and a second electrical contact point that is connectable to a second end of the vibrator;
• one or more matching inductors connected to the first electrical contact point, wherein a first end of the one or move matching inductors is connected to the first electrical contact point and the one or more matching inductors are connected in parallel;
• an inductor connected to a second end of the one or more matching inductors, wherein a first end of the inductor is connected to the second end of the one or more matching inductors;
• a switch having a drain terminal connected to the first end of the one or more matching inductors, wherein a source terminal of the switch is connected to a ground;
• a first power source configured to provide a voltage to a gate terminal of the switch;
• a second power source configured to provide a voltage to a second end of the inductor;
• and
• a resistor connected between the gate terminal of the switch and the ground.