A positive-voltage-supply ECL logic gate is shown in Figure P17.12. Neglect base currents.(a) What logic function is performed by this circuit.
(b) What are the logic 1 and logic 0 values of 
2 at the output?
(c) When 1 = logic 0 for one of the three inputs, determine 
and 2.
(d) Repeat part (c) when 1 = logic 1 for all three inputs.
Sep 14 2016 08:39 AM
