You want to pay attention to the Source resistor value versus the Vgs
figure of the power Jfet, as there is an optimal figure as shown in the
article. Optimal being the lowest thd number.
After that you just set the Drain voltage of the Mosfet with the pot.
figure of the power Jfet, as there is an optimal figure as shown in the
article. Optimal being the lowest thd number.
After that you just set the Drain voltage of the Mosfet with the pot.