Author Question: A practical NPN BJT switch has values of VCC = 18 V, RC = 2.2 k. When the switch is conducting (on) ... (Read 43 times)

jho37 · **on:** Jul 28, 2018

A practical NPN BJT switch has values of VCC = 18 V, RC = 2.2 k. When the switch is conducting (on) VCE is between

A) 17 and 18 V B) 0.2 and 0.4 V C) 0 and 0.2 V D) 0.5 and 0.7 V

Question 2

The minimum and maximum Vcc supply voltages required by a commercial TTL flip-flop (such as the 74LS76 ) are normally

A) 2.4 V to 7.0 V. B) 4.75 V to 5.25 V. C) 0 V to 5.0 V. D) 4.25 V to 5.75 V.