Assume the inputs A, B, C, and D to the circuit in Figure P17.16 are either 0 or 2.5 V. Let the…
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August 8, 2017Assume the inputs A, B, C, and D to the circuit in Figure P17.16 are either 0 or 2.5 V. Let the…
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Assume the inputs A, B, C, and D to the circuit in Figure P17.16 are either 0 or 2.5 V. Let the B–E turn-on voltage be 0.7 V for both the npn and pnp transistors. Assume ? = 150 for the npn devices and ? = 90 for the pnp devices.(a) Determine the voltage at Y for:
(i) A = B = C = D = 0;
(ii) A = B = 0, C = D = 2.5 V; and
(iii) A = C = 2.5 V, B = D = 0.
(b) What logic function does this circuit implement?
(c) Determine the power dissipated in the circuit for the conditions given in part (a).
