In ECL, the HIGH and LOW levels are determined by which transistor in a differential amplifier is conducting more.
Answer: Option A
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Propagation delay in TTL is due to slow switching speeds.
Answer: Option E
In TTL the noise margin is between 0.8 V and 0.4 V.
The AND is the simplest of the gates, requiring the least amount of circuitry to implement in TTL.
Answer: Option D
A typical fan-out for most TTL is 9.
Answer: Option C
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