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Amateur Extra Class: 2020–2024
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Sections
E1: Commission's Rules
E2: Operating Procedures
E3: Radio Wave Propagation
E4: Amateur Practices
E5: Electrical Principles
E6: Circuit Components
E7: Practical Circuits
E8: Signals and Emissions
E9: Antennas and Transmission Lines
E0: Safety
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Element 4
E6
E6C
E6C01
E6C01:
What is the function of hysteresis in a comparator?
To prevent input noise from causing unstable output signals
To allow the comparator to be used with AC input signals
To cause the output to change states continually
To increase the sensitivity
E6C01
E6C02
E6C03
E6C04
E6C05
E6C06
E6C07
E6C08
E6C09
E6C10
E6C11