63. Whenever a totem-pole TTL output goes from LOW to HIGH, a high-amplitude current spike is drawn from the Vcc supply. How is this effect corrected to a digital circuit?
(a) By connecting a radio-frequency capacitor from Vcc to ground. (b) By using a switching power supply (c) By connecting a capacitor from Vout to ground (d) By connecting a large resistor from Vcc to Vout
Answer
Answer : (a)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555121. An open-collector output requires ________. (a) a pull-down resistor (b) a pull-up resistor (c) no output resistor (d) an output resistor
555555555537. If all inputs to a TTL NAND gate are low, what is the ON, OFF condition of each transistor in the circuit? (a) Q1-ON, Q2-OFF, Q3-ON, Q4-OFF (b) Q1-ON, Q2-ON, Q3-OFF, Q4-OFF (c) Q1-OFF, Q2-OFF, Q3-ON, Q4-ON (d) Q1-OFF, Q2-ON, Q3-OFF, Q4-ON