Primarion Corporation

Raytheon Company

Telasic Communications, Inc.

Clifford Duong

Tim Ng

Ken Ostrom

Lloyd Frederick Linder

Benjamim Tang

Don C Devendorf

Kenneth A Ostrom

Robert T Carroll

Michael Naone Farias

William B Pohlman

Nicholas Robert Steffen

Keith Nelson Bassett

Kelvin T Tran

Timothy M Ng

A device for providing power to suppress transient load demands and a system including the device are disclosed. The device includes a sense circuit to detect when a transient event occurs and one or more transistors configured to supply or sink current to the load. The system may include a second power regulator configured to respond to fast transient power demands. In this case, a first power regulator supplies power to the load and responds to slow transient events, while the second regulator responds only to fast transient events.

Apparatus and system for providing transient suppression power regulation

A method, apparatus, and system for providing operating power and transient suppression power to a microelectronic device are disclosed. The system includes a primary regulator to supply nominal operating power and to respond to relatively slow transient events and a transient suppression regulator to respond to fast transient power events. The system also includes a sense circuit to detect when a transient event occurs and to send a signal to the transient suppression regulator to supply or sink current to the load in response to a sensed transient power event.

Method and apparatus for providing wideband power regulation to a microelectronic device

A signal processing system and method. The inventive system includes a first circuit for distributing an input signal between two or more channels in a current mode of operation. A second circuit is disposed in each of the channels for processing the input signal and providing an output signal in response thereto. A third circuit is provided to combine the signals output by the processing circuit. A fourth circuit is included for controlling the first and the third circuits. In a specific illustrative embodiment, the system further includes a radio frequency stage for downconverting a received signal and providing the input signal in response thereto. In the specific embodiment, the first circuit includes a mixing circuit. The mixing circuit includes Gilbert cells and circuitry for providing automatic gain control for each of the channels individually. The Gilbert cells and the automatic gain control circuitry are driven by a transconductance amplifier and therefore operate in a current mode. Differential digital automatic gain control signals are provided in response to a channel select signal from a digital control circuit. The inventive circuit provides multiple IF channels which may be filtered individually. The invention thereby provides wide band operation in a simple, single stage implementation that consumes little power. Further, the current mode thereof is effective in the reduction of insertion loss.

Low noise, low distortion, muxable Gilbert mixer signal processing system and method with AGC functionality

A dual loop regulator is configured for improved regulation of a supply voltage for a dynamic load based on the magnitude of changes in the load voltage. An exemplary dual loop regulator comprises a primary voltage regulator configured within a linear loop and a secondary voltage regulator configured within a wideband, non-linear loop. The primary voltage regulator is configured for providing a well-controlled, regulated output voltage to the dynamic load, and for addressing small changes in the output voltage. The secondary voltage regulator is configured for sensing undervoltage and overvoltage conditions at the dynamic load, and for addressing changes greater than a predetermined threshold voltage. To facilitate loop stability, secondary voltage regulator can be configured within the wideband, non-linear loop to have a small gain for small changes, a larger gain for large changes, and/or a substantially finite storage capability such that any large signal oscillations will not be sustained.

Dual loop regulator

A transient current generator for testing microelectronic power regulator systems is provided. The current generator includes a current source and one or more transistors to provide current or sink current to a microelectronic power delivery system. The generator may be used to test a microprocessor power delivery system by replacing the microprocessor with one or more of the generators of the present invention.

Microelectronic transient power generator for power system validation

A low noise, low distortion radio frequency amplifier which includes a bootstrap design to minimize intermodulation distortion while simultaneously achieving low noise and wide bandwidth. In the illustrative embodiment, the invention includes a first circuit for receiving an input signal; a second circuit for amplifying the input signal using a transistor Q ; and a third circuit for regulating a rate of change of voltage across the transistor Q such that the rate of voltage change is zero. The third circuit includes a transistor Q connected to the transistor Q in cascode. In the specific illustrative embodiment, the third circuit further includes two diodes D and D used to modulate the voltage at the input of the transistor Q in proportion to the voltage modulation at the input of the transistor Q . In the illustrative embodiment, the second circuit includes a transistor Q connected in cascade to the transistor Q . In the specific illustrative embodiment, the invention further includes a fourth circuit for regulating a rate of change of voltage across the transistor Q such that the rate of voltage change is zero. The fourth circuit includes a transistor Q connected to the transistor Q in cascode. The two diodes D and D also connect the transistors Q and Q such that the voltage at the input of the transistor Q is modulated in proportion to the voltage modulation at the input of the transistor Q

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Fountain Valley, CA, United States of America

Clifford Duong