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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
E7
E7D
E7D01
E7D01:
How does a linear electronic voltage regulator work?
It has a ramp voltage as its output
It eliminates the need for a pass transistor
The control element duty cycle is proportional to the line or load conditions
The conduction of a control element is varied to maintain a constant output voltage
E7D01
E7D02
E7D03
E7D04
E7D05
E7D06
E7D07
E7D08
E7D09
E7D10
E7D11
E7D12
E7D13
E7D14
E7D15