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To set a midpoint bias, I understand that ID = IDSS/2 (and by equation, VGS = VGS(off)/3.4).

For calculating resistor values, why set VD = VDD/2?

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    \$\begingroup\$ More info is required, include a schematic of your circuit. \$\endgroup\$ – S.s. Nov 11 '20 at 13:38
  • \$\begingroup\$ One-half of what? Include a circuit or no answers for you. \$\endgroup\$ – Bimpelrekkie Nov 11 '20 at 13:47
  • \$\begingroup\$ I have add one! \$\endgroup\$ – Tan Nguyen Nov 11 '20 at 16:13

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