For the circuit shown below, transistors T1 and T2 are the same with V

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For the circuit shown below, transistors T1 and T2 are the same with VT = 0.6 V and k = 5 mA/V2. Find the value of R2 that will result in T2 operating at the edge of saturation. VG1 = VG2 = VD1 = 0.8 V Keeping T2 at the edge of saturation: VD2 = VG2 − VT = 0.8 − 0.6 = 0.2 V I D 2 = k/2(VG2 − VT) 2 = 0.1 mA Hotseat: Determine R2. A. 6 kΩ C. 12 kΩ B. 20 kΩ D. 26 kΩ

For the circuit shown below, transistors T1 and T2 are the same with VT = 0.6 V and k = 5 mA/V2. Find the value of R2 that will result in T2 operating at the edge of saturation. VG1 = VG2 = VD1 = 0.8 V Keeping T2 at the edge of saturation: VD2 = VG2 − VT = 0.8 − 0.6 = 0.2 V I D 2 = k/2(VG2 − VT) 2 = 0.1 mA Hotseat: Determine R2. A. 6 kΩ C. 12 kΩ B. 20 kΩ D. 26 kΩ

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For the circuit shown below, transistors

T_{1}

and

T_{2}

are the same with

V_{T} = 0.6 V

and

k =

5 m A / V^{2}

. Find the value of

R_{2}

that will result in

T_{2}

operating at the edge of saturation.

V_{G_{1}} = V_{G_{2}} = V_{D_{1}} = 0.8 V

Keeping

T_{2}

at the edge of saturation:

\begin{array}{l} V_{D_{2}} = V_{G_{2}} - V_{T} = 0.8 - 0.6 = 0.2 V \\ I_{D_{2}} = \frac{k}{2} {(V_{G_{2}} - V_{T})}^{2} = 0.1 m A \end{array}

Hotseat: Determine

R_{2}

. A.

6 k Ω

C.

12 k Ω

B.

20 k Ω

D.

26 k Ω

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