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Agenda

Agenda. Body Effect Model Reverse and Forward Body Bias. Body Effect Model. g : Body effect coefficient Positive for NMOS Negative for PMOS Φ F : Fermi potential Negative for NMOS Positive for PMOS V T0 : Zero body bias (V SB = 0) threshold voltage. NMOS Forward Body Bias.

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Agenda

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  1. Agenda • Body Effect Model • Reverse and Forward Body Bias

  2. Body Effect Model • g: Body effect coefficient • Positive for NMOS • Negative for PMOS • ΦF: Fermi potential • Negative for NMOS • Positive for PMOS • VT0: Zero body bias (VSB = 0) threshold voltage

  3. NMOS Forward Body Bias • g: Body effect coefficient, positive for NMOS • ΦF: Fermi potential, negative for NMOS • VT < VT0 Negative Negative Positive Negative

  4. NMOS Reverse Body Bias • g: Body effect coefficient, positive for NMOS • ΦF: Fermi potential, negative for NMOS • VT > VT0 Positive Positive Positive Positive

  5. PMOS Forward Body Bias • g: Body effect coefficient, negative for PMOS • ΦF: Fermi potential, positive for PMOS • VT > VT0 Negative Negative Positive Positive

  6. PMOS Reverse Body Bias • g: Body effect coefficient, negative for PMOS • ΦF: Fermi potential, positive for PMOS • VT < VT0 Positive Negative Negative Negative

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