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AssigneeWestern Electric Export Corporation
InventorsGuenther Mania, Charles George Whitener, Jr.
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A single-ended Class-A amplifier includes an amplification component (e.g., a vacuum tube) having at least an output terminal, a reference terminal and a control terminal. The control terminal receives a time-varying input signal. The amplification component responds to the time-varying input signal to vary an output voltage on the output terminal and to vary a current flowing between the output terminal and the reference terminal. A load is AC-coupled to the output terminal. A steered current source has a voltage input coupled to the output terminal and has a steered current output coupled to the output terminal. The steered current source is configured to increase the steered current to provide current to the load when the output voltage on the output terminal of the amplification component increases and to decrease the steered current when the output voltage on the output terminal of the amplification component decreases.
A steered current source for a class-A single-ended amplifier having an amplification component that produces a time-varying amplified output voltage on an output terminal in response to an input signal on a control terminal, the output terminal AC-coupled to a load, the steered current source comprising:
A method for increasing the power provided to an AC-coupled load from a class-A single-ended amplifier having an amplification component responsive to an input signal to produce a time-varying amplified output voltage on an output terminal connected to the load, the method comprising:
A single-ended Class-A amplifier comprising:
Dependencies are inferred from the claim text.