5.24 When the drain and gate of a MOSFET are connected together, a two-terminal device known as a “diode-connected transistor” results. Figure P5.24 shows such devices obtained from MOS transistors of both polarities. Show that (a) the i–v relationship is given by i = 1 2 k W L v − Vt 2 (b) the incremental resistance r for a device biased to operate at v =  Vt +VOV is given by r ≡ 1 ∂∂vi  = 1 k WL VOV

24 1 - 5.24 When the drain and gate of a MOSFET are connected together, a two-terminal device known as a “diode-connected transistor” results. Figure P5.24 shows such devices obtained from MOS transistors of both polarities. Show that (a) the i–v relationship is given by i = 1 2 k W L v − Vt 2 (b) the incremental resistance r for a device biased to operate at v =  Vt +VOV is given by r ≡ 1  ∂∂vi  = 1 k WL VOV

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images - 5.24 When the drain and gate of a MOSFET are connected together, a two-terminal device known as a “diode-connected transistor” results. Figure P5.24 shows such devices obtained from MOS transistors of both polarities. Show that (a) the i–v relationship is given by i = 1 2 k W L v − Vt 2 (b) the incremental resistance r for a device biased to operate at v =  Vt +VOV is given by r ≡ 1  ∂∂vi  = 1 k WL VOV

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