Patents by Inventor Steven W. Schell

Steven W. Schell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Amplifier circuit with step gain
    Patent number: 8115552
    Abstract: A step gain amplifier has an amplifier with an input and an output, and a bias circuit connected to the input and to a bias node. A passive feedback circuit using only passive elements connects the output to the input. A control circuit is connected to the bias circuit at the bias node.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: February 14, 2012
    Assignee: Microchip Technology Incorporated
    Inventors: Bun Kobayashi, Steven W. Schell, Yonghan Chris Kim, Pei-Ming Daniel Chow, Mau-Chung Frank Chang
  • AMPLIFIER CIRCUIT WITH STEP GAIN
    Publication number: 20110169573
    Abstract: A step gain amplifier has an amplifier with an input and an output, and a bias circuit connected to the input and to a bias node. A passive feedback circuit using only passive elements connects the output to the input. A control circuit is connected to the bias circuit at the bias node.
    Type: Application
    Filed: January 11, 2010
    Publication date: July 14, 2011
    Inventors: Bun Kobayashi, Steven W. Schell, Yonghan Chris Kim, Pei-Ming Daniel Chow, Mau-Chung Frank Chang
  • Attenuator with a control circuit
    Patent number: 7965152
    Abstract: An attenuator system comprises an attenuator and a control circuit for controlling the attenuation of the attenuator. In one embodiment, the attenuator comprises two diodes or two diode connected transistors, and the control circuit comprises two transistors as the only active devices. In another embodiment, the control circuit comprises another transistor in a shut down circuit.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: June 21, 2011
    Assignee: Microchip Technology Incorporated
    Inventors: Bun Kobayashi, Steven W. Schell, Pei-Ming Daniel Chow, Mau-Chung Frank Chang
  • ATTENUATOR WITH A CONTROL CIRCUIT
    Publication number: 20100134218
    Abstract: An attenuator system comprises an attenuator and a control circuit for controlling the attenuation of the attenuator. In one embodiment, the attenuator comprises two diodes or two diode connected transistors, and the control circuit comprises two transistors as the only active devices. In another embodiment, the control circuit comprises another transistor in a shut down circuit.
    Type: Application
    Filed: December 2, 2008
    Publication date: June 3, 2010
    Inventors: Bun Kobayashi, Steven W. Schell, Pei-Ming Daniel Chow, Mau-Chung Frank Chang
  • Multi-chip electronic circuit module and a method of manufacturing
    Publication number: 20080122074
    Abstract: An integrated circuit module has a substrate with an exposed surface. An integrated circuit die has a first surface and a second surface opposite the first surface, and has a plurality of bonding pads on the second surface. The integrated circuit die is positioned with its first surface on the exposed surface of the substrate. A plurality of dielectric layers cover the second surface of the integrated circuit die. At least one conductive layer is sandwiched between a pair of the plurality of dielectric layers, and forms one or more passive elements electrically connected to the plurality of bonding pads of the integrated circuit die, through one or more holes in one of the plurality of dielectric layers.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 29, 2008
    Inventors: Raymond Wong, Steven W. Schell, Mau-Chung Frank Chang