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US 5,473,498 AGranted
Power amplifier over-voltage protection circuit
AssigneeRockwell International Corporation
InventorDavid L. Krett
Life of this patent
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Abstract
An apparatus and method of accomplishing over-voltage protection for variable power levels and frequency applications including the microwave range. Clamping means are provided that instantaneously absorb over-voltage conditions for a brief period while simultaneously providing feedback control of a driver signal to reduce the source of the over-voltage condition.
Claims1
A method of providing over-voltage protection in an integrated circuit device at variable power levels and microwave frequencies comprising the following steps:
- sensing the power level of an applied signal;
- determining if the power level exceeds desired operating parameters;
- clamping excess voltage in order to provide instantaneous protection to the integrated circuit device from the excess voltage;
- and
- generating a control signal to a source driver thereby reducing the value of the applied signal.
2 more elements
Dependencies are inferred from the claim text.