Question: Consider the ECL logic circuit in Figure P17.6. Neglect base currents. (a) Determine the reference voltage (V_{R}). (b) Find the logic 0 and logic 1

Consider the ECL logic circuit in Figure P17.6. Neglect base currents.

(a) Determine the reference voltage $V_{R}$.

(b) Find the logic 0 and logic 1 voltage values at each output $v_{O 1}$ and $v_{O 2}$. Assume that inputs $v_{X}$ and $v_{Y}$ have the same values as the logic levels at $v_{O 1}$ and $v_{O 2}$.

Q3 Vy R = 1.7 kQ Figure P17.6 UX Vcc = 3.7

Q3 Vy R = 1.7 kQ Figure P17.6 UX Vcc = 3.7 V ww RC1 = 0.21 www ww RC2= 0.24 QR www R3 = 0.67 24 VR RE= R4= 0.80 1.33 + 1102 R = ww 1.7

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