Patents by Inventor Po-Sen Tseng

Po-Sen Tseng 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).

  • Patent number: 10277179
    Abstract: A radio-frequency (RF) power amplifier includes a matching network comprising at least one matching network circuit corresponding to at least one symmetry node, at least one detector for detecting power of a detected signal at the symmetry node of the matching network, and generating at least one control signal according to the power of the detected signal, wherein the detected signal is an odd harmonic of an RF signal when the RF power amplifier operates in a differential mode or an even harmonic of the RF signal when the RF power amplifier operates in a common mode, and at least one adjusting circuit for adjusting the RF signal according to the at least one control signal.
    Type: Grant
    Filed: October 1, 2017
    Date of Patent: April 30, 2019
    Assignee: MEDIATEK INC.
    Inventors: Jui-Chih Kao, Ming-Da Tsai, Po-Sen Tseng
  • Patent number: 9985590
    Abstract: According to at least one aspect, a communication system is provided. The communication system includes a power amplifier configured to amplify an input signal to generate an amplified output signal and provide the amplified output signal to an antenna, a power supply coupled to the power amplifier and configured to provide power to the power amplifier based on a power supply control signal, and a controller coupled to the power supply. The controller is configured to identify a target transmit power level for transmission of a wireless signal, generate the power supply control signal based on the target transmit power level using information indicative of a relationship between the target transmit power level and a setting of the power supply, generate performance information indicative of a characteristic of the communication system when the wireless signal is transmitted, and update the information indicative of the relationship using the performance information.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: May 29, 2018
    Assignee: MediaTek Inc.
    Inventors: Po-Sen Tseng, Wei-Kai Chang, I-No Liao, Tzyuan Shiu, Hsin-Hung Chen, Caiyi Wang
  • Patent number: 9923530
    Abstract: A matching network circuit for RF power amplifier circuit capable of odd harmonic rejection and even harmonic rejection in the differential mode and the common mode, respectively. The matching network circuit includes a differential mode filter with a differential resonant frequency and a passive component coupled to a virtual short circuit node at the differential mode filter, wherein a common mode filter with a common resonant frequency includes the differential mode filter and the passive component. As a result, two notch filters with different resonant frequencies are utilized for the common mode and the differential mode, respectively.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: March 20, 2018
    Assignee: MEDIATEK INC.
    Inventors: Jui-Chih Kao, Ming-Da Tsai, Po-Sen Tseng
  • Publication number: 20180026595
    Abstract: A radio-frequency (RF) power amplifier includes a matching network comprising at least one matching network circuit corresponding to at least one symmetry node, at least one detector for detecting power of a detected signal at the symmetry node of the matching network, and generating at least on control signal according to the power of the detected signal, wherein the detected signal is an odd harmonic of an RF signal when the RF power amplifier operates in a differential mode or an even harmonic of the RF signal when the RF power amplifier operates in a common mode, and at least one adjusting circuit for adjusting the RF signal according to the at least one control signal.
    Type: Application
    Filed: October 1, 2017
    Publication date: January 25, 2018
    Inventors: Jui-Chih Kao, Ming-Da Tsai, Po-Sen Tseng
  • Publication number: 20170214370
    Abstract: According to at least one aspect, a communication system is provided. The communication system includes a power amplifier configured to amplify an input signal to generate an amplified output signal and provide the amplified output signal to an antenna, a power supply coupled to the power amplifier and configured to provide power to the power amplifier based on a power supply control signal, and a controller coupled to the power supply. The controller is configured to identify a target transmit power level for transmission of a wireless signal, generate the power supply control signal based on the target transmit power level using information indicative of a relationship between the target transmit power level and a setting of the power supply, generate performance information indicative of a characteristic of the communication system when the wireless signal is transmitted, and update the information indicative of the relationship using the performance information.
    Type: Application
    Filed: December 9, 2016
    Publication date: July 27, 2017
    Applicant: MediaTek Inc.
    Inventors: Po-Sen Tseng, Wei-Kai Chang, I-No Liao, Tzyuan Shiu, Hsin-Hung Chen, Caiyi Wang
  • Patent number: 9691540
    Abstract: A hybrid passive device for synergizing at least one passive component which resides in at least one technology is provided. The hybrid passive device includes a first passive component and a second passive component. The first passive component resides in a first technology of the at least one technology and/or a second technology of the at least one technology, the second technology is different from the first technology, and a technology boundary is arranged between the second technology and the first technology. The second passive component of the at least one passive component is different from the first passive component. The second passive component resides in the first technology and/or the second technology, and the first passive component and the second passive component are electromagnetically coupled to each other through the technology boundary.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: June 27, 2017
    Assignee: MediaTek Inc.
    Inventors: Tao-Yi Lee, Po-Sen Tseng, Ming-Da Tsai
  • Publication number: 20170149394
    Abstract: A matching network circuit for RF power amplifier circuit capable of odd harmonic rejection and even harmonic rejection in the differential mode and the common mode, respectively. The matching network circuit includes a differential mode filter with a differential resonant frequency and a passive component coupled to a virtual short circuit node at the differential mode filter, wherein a common mode filter with a common resonant frequency includes the differential mode filter and the passive component. As a result, two notch filters with different resonant frequencies are utilized for the common mode and the differential mode, respectively.
    Type: Application
    Filed: October 7, 2016
    Publication date: May 25, 2017
    Inventors: Jui-Chih Kao, Ming-Da Tsai, Po-Sen Tseng
  • Publication number: 20160182005
    Abstract: A hybrid passive device for synergizing at least one passive component which resides in at least one technology is provided. The hybrid passive device includes a first passive component and a second passive component. The first passive component resides in a first technology of the at least one technology and/or a second technology of the at least one technology, the second technology is different from the first technology, and a technology boundary is arranged between the second technology and the first technology. The second passive component of the at least one passive component is different from the first passive component. The second passive component resides in the first technology and/or the second technology, and the first passive component and the second passive component are electromagnetically coupled to each other through the technology boundary.
    Type: Application
    Filed: June 11, 2015
    Publication date: June 23, 2016
    Inventors: Tao-Yi LEE, Po-Sen TSENG, Ming-Da TSAI
  • Patent number: 8483333
    Abstract: A method for adjusting a system clock in terms of an operational status of at least one non-baseband module includes: getting first information corresponding to the system clock required by at least one baseband module, wherein the first information comprises a frequency characteristic of the system clock; getting second information corresponding to the at least one non-baseband module, wherein the second information comprises a frequency characteristic of a radio frequency (RF) signal to be received by the non-baseband module; and selectively adjusting a frequency of the system clock by referring to the first information and the second information.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: July 9, 2013
    Assignee: Mediatek Inc.
    Inventors: Ming-Jie Yang, Chieh-Chuan Chin, Chien-Sheng Lai, Po-Sen Tseng
  • Patent number: 8098100
    Abstract: Variable gain amplifiers with controllable gain gradient over temperature. A variable gain amplification circuit comprises an input terminal receiving an input signal, an output terminal outputting an output signal, and a control terminal receiving a first gain control signal. The relationship between gain of the variable gain amplification circuit and temperature is programmable rather than temperature independent, and is controlled by the first gain control signal obtained by a second gain control signal and a third gain control signal.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: January 17, 2012
    Assignee: Mediatek Inc.
    Inventors: Po-Sen Tseng, Shin-Fu Chen
  • Publication number: 20110274221
    Abstract: A method for adjusting a system clock in terms of an operational status of at least one non-baseband module includes: getting first information corresponding to the system clock required by at least one baseband module, wherein the first information comprises a frequency characteristic of the system clock; getting second information corresponding to the at least one non-baseband module, wherein the second information comprises a frequency characteristic of a radio frequency (RF) signal to be received by the non-baseband module; and selectively adjusting a frequency of the system clock by referring to the first information and the second information.
    Type: Application
    Filed: December 3, 2010
    Publication date: November 10, 2011
    Inventors: Ming-Jie Yang, Chieh-Chuan Chin, Chien-Sheng Lai, Po-Sen Tseng
  • Patent number: 7889008
    Abstract: A programmable gain MOS amplifier is disclosed. The programmable gain MOS amplifier is capable of increasing its programmable gain linearly in dB unit by increasing its gain level data linearly. The programmable gain MOS amplifier includes a plurality of gain providers for providing predetermined gains respectively, and a plurality of gain tuners. Each of the plurality of the gain tuners is disposed for adjusting the predetermined gain from the corresponding gain provider. Each of the gain tuners includes a gain enabling module and a gain decreasing module. The gain enabling module allows the corresponding predetermined gain to add to the programmable gain of the MOS amplifier. The gain decreasing module declines the corresponding predetermined gain added to the programmable gain of the MOS amplifier.
    Type: Grant
    Filed: June 8, 2009
    Date of Patent: February 15, 2011
    Assignee: Mediatek Inc.
    Inventors: Yi-Bin Lee, Po-Sen Tseng
  • Publication number: 20100308916
    Abstract: A programmable gain MOS amplifier is disclosed. The programmable gain MOS amplifier is capable of increasing its programmable gain linearly in dB unit by increasing its gain level data linearly. The programmable gain MOS amplifier includes a plurality of gain providers for providing predetermined gains respectively, and a plurality of gain tuners. Each of the plurality of the gain tuners is disposed for adjusting the predetermined gain from the corresponding gain provider. Each of the gain tuners includes a gain enabling module and a gain decreasing module. The gain enabling module allows the corresponding predetermined gain to add to the programmable gain of the MOS amplifier. The gain decreasing module declines the corresponding predetermined gain added to the programmable gain of the MOS amplifier.
    Type: Application
    Filed: June 8, 2009
    Publication date: December 9, 2010
    Inventors: Yi-Bin Lee, Po-Sen Tseng
  • Publication number: 20100311362
    Abstract: A gain compensation device for adjusting gain of an amplifier over temperature is disclosed. The gain of the amplifier is controlled by signals on a gain control end of the amplifier. The gain compensation device comprises a temperature compensation generator, an adder, and a temperature sensor. The temperature compensation generator is for generating an additional gain parameter according to a reference temperature, a current temperature, and a temperature coefficient. The adder comprises a first input end, coupled to the temperature compensation generator for receiving the additional gain parameter, a second input end for receiving a default gain parameter, and an output end coupled to the gain control end of the amplifier for outputting sum of the additional gain parameter and the default gain parameter. The temperature sensor is for providing the current temperature.
    Type: Application
    Filed: June 5, 2009
    Publication date: December 9, 2010
    Inventors: Yi-Bin Lee, Po-Sen Tseng
  • Patent number: 7679869
    Abstract: An input/output device comprises a bonding pad, a signal transport circuit, and a blocking unit. The signal transport circuit has a first terminal connected to the bonding pad and a second terminal connected to a core circuit of an IC product. The signal transport circuit is capable of transporting a signal either from the bonding pad to the core circuit or from the core circuit to the bonding pad. The blocking unit has a control terminal and is coupled between the bonding pad and the signal transport circuit. The control terminal is coupled to receive an enable signal. The blocking unit ties the bonding pad to a predetermined voltage level when the enable signal is de-asserted, thereby blocking the signal transport provided by the signal transport circuit. The blocking unit unties the bonding pad from the predetermined voltage level when the enable signal is asserted.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: March 16, 2010
    Assignee: Mediatek Inc.
    Inventors: Bing-Jye Kuo, Shou-Tsung Wang, Po-Sen Tseng, Chih-Chun Tang, Shin-Fu Chen
  • Patent number: 7508277
    Abstract: The invention provides a phase-locked loop (PLL). Since a loop bandwidth of the PLL is a function of a gain of a phase detector and a gain of a voltage controlled oscillator (VCO), by adjusting the gain of the phase detector, the variation of the gain of the VCO (i.e., the tuning sensitivity) is compensated, so that the loop bandwidth of the PLL becomes more stable.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: March 24, 2009
    Assignee: MediaTek Inc.
    Inventors: Chang-Fu Kuo, Po-Sen Tseng, Shou-Tsung Wang, Ling-Wei Ko
  • Publication number: 20080224781
    Abstract: Variable gain amplifiers with controllable gain gradient over temperature. A variable gain amplification circuit comprises an input terminal receiving an input signal, an output terminal outputting an output signal, and a control terminal receiving a first gain control signal. The relationship between gain of the variable gain amplification circuit and temperature is programmable rather than temperature independent, and is controlled by the first gain control signal obtained by a second gain control signal and a third gain control signal.
    Type: Application
    Filed: March 15, 2007
    Publication date: September 18, 2008
    Applicant: MEDIATEK INC.
    Inventors: Po-Sen Tseng, Shin-Fu Chen
  • Patent number: 7345526
    Abstract: Linear-in-dB current generators having a maximum gain with least gain error. A first transistor is coupled between a first node and a first power voltage, and a first resistor is coupled between the first transistor and a second node. A second transistor is coupled between the second node and a second power voltage and comprises a control terminal coupled to the first node, and a third transistor comprises a first terminal coupled to the second power voltage, and a control terminal coupled to the first node. A second resistor is coupled between the third transistor and a third node, and a fourth transistor comprises a first terminal coupled to the first terminal, and a control terminal coupled to the third node. A first current source and the second current source are coupled to the second node and the third node respectively, and a reference current source is coupled to the first node.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: March 18, 2008
    Assignee: Mediatek Inc.
    Inventors: Shin-Fu Chen, Po-Sen Tseng
  • Publication number: 20080062594
    Abstract: An input/output device comprises a bonding pad, a signal transport circuit, and a blocking unit. The signal transport circuit has a first terminal connected to the bonding pad and a second terminal connected to a core circuit of an IC product. The signal transport circuit is capable of transporting a signal either from the bonding pad to the core circuit or from the core circuit to the bonding pad. The blocking unit has a control terminal and is coupled between the bonding pad and the signal transport circuit. The control terminal is coupled to receive an enable signal. The blocking unit ties the bonding pad to a predetermined voltage level when the enable signal is de-asserted, thereby blocking the signal transport provided by the signal transport circuit. The blocking unit unties the bonding pad from the predetermined voltage level when the enable signal is asserted.
    Type: Application
    Filed: August 30, 2006
    Publication date: March 13, 2008
    Applicant: MEDIATEK INC.
    Inventors: Bing-Jye Kuo, Shou-Tsung Wang, Po-Sen Tseng, Chih-Chun Tang, Shin-Fu Chen
  • Publication number: 20080042740
    Abstract: Linear-in-dB current generators having a maximum gain with least gain error. A first transistor is coupled between a first node and a first power voltage, and a first resistor is coupled between the first transistor and a second node. A second transistor is coupled between the second node and a second power voltage and comprises a control terminal coupled to the first node, and a third transistor comprises a first terminal coupled to the second power voltage, and a control terminal coupled to the first node. A second resistor is coupled between the third transistor and a third node, and a fourth transistor comprises a first terminal coupled to the first terminal, and a control terminal coupled to the third node. A first current source and the second current source are coupled to the second node and the third node respectively, and a reference current source is coupled to the first node.
    Type: Application
    Filed: August 16, 2006
    Publication date: February 21, 2008
    Applicant: MEDIATEK INC.
    Inventors: Shin-Fu Chen, Po-Sen Tseng