DC coupled amplifier having pre-driver and bias control
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United States of America Patent
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-
Oct 8, 2024
Grant Date -
Mar 23, 2023
app pub date -
Nov 28, 2022
filing date -
May 31, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A dc coupled amplifier includes a pre-driver, and amplifier and a bias control circuit. The pre-driver is configured to receive one or more input signals and amplify the one or more input signals to create one or more pre-amplified signals. The amplifier has cascode configured transistors configured to receive and amplify the one or more pre-amplified signals to create one or more amplified signals, the amplifier further having an output driver termination element. The bias control circuit is connected between the pre-driver and the amplifier, the bias control circuit receiving at least one bias current from the output driver termination element of the amplifier, wherein the pre-driver, the amplifier and the bias control circuit are all formed on a same die.
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