Amateur Extra › E8 Signals and Emissions › E8D04
E8D04
What is the primary effect of extremely short rise or fall time on a CW signal?
Pick an answer to check it.
Answer: C. The generation of key clicks
Very fast rise or fall times on a CW signal create wideband spurious energy. Listeners hear this as key clicks on nearby frequencies.
Tip: Sharp CW edges cause key clicks.