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Digital Electronics - Integrated-Circuit Logic Families - Discussion

Discussion Forum : Integrated-Circuit Logic Families - General Questions (Q.No. 21)
Integrated-Circuit Logic Families
21.
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?
By connecting a radio-frequency capacitor from Vcc to ground.
By using a switching power supply
By connecting a capacitor from Vout to ground
By connecting a large resistor from Vcc to Vout
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Uday pratap singh said:   9 years ago
The most common technique uses small radio frequency capacitors connected from Vcc to ground essentially to short out these high-frequency spikes. This is called power-supply decoupling. The capacitor values are from 0.01micro farad to 0.1mcro farad.
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