Abstract: An embodiment of the present invention provides an electronically tunable dielectric material, comprising at least one electronically tunable dielectric phase; and at least one compound of low loss complex perovskites, wherein said low loss complex pervoskites comprise two B site cations.
Type:
Grant
Filed:
February 7, 2009
Date of Patent:
June 14, 2011
Assignee:
Paratek Microwave, Inc.
Inventors:
Xubai Zhang, Louise C. Sengupta, Elijah Aaron Underhill
Abstract: An embodiment of the present invention provides a method, comprising reducing power consumption in a wireless device by adapting the bias current of active devices in the apparatus to the RF carrier frequency of the wireless device.
Abstract: An embodiment of the present invention provides a device, comprising a multilayered tunable dielectric capacitor, wherein said multilayers of tunable dielectric are adapted to be DC biased to reduce the dielectric constant; and wherein the DC bias is arranged so that the number of layers of tunable dielectric biased positively is equal to the number of layers of tunable dielectric biased negatively.
Type:
Grant
Filed:
March 22, 2007
Date of Patent:
May 3, 2011
Assignee:
Paratek Microwave, Inc.
Inventors:
James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
Abstract: A system that incorporates teachings of the present disclosure may include, for example, a communication device having a controller to provision a matching network that controls one or more operational characteristics of one of a receiver portion and a transmitter portion of the communication device according to a profile describing one or more characteristics of a communication system from which the communication device operates. Additional embodiments are disclosed.
Type:
Application
Filed:
October 10, 2009
Publication date:
April 14, 2011
Applicant:
PARATEK MICROWAVE, INC.
Inventors:
KEITH R. MANSSEN, Matthew R. Greene, Carsten Hoirup
Abstract: An embodiment of the present invention provides an apparatus, comprising an RF matching network connected to at least one RF input port and at least one RF output port and including one or more voltage or current controlled variable reactive elements; and wherein the RF matching network is tuned to optimize the RF matching network and wherein said tuning is limited by a predetermined number of tuning steps that are taken within a transmit burst and/or limited by the magnitude of each step taken within a transmit burst and/or limited to the steps only being allowed between bursts.
Type:
Grant
Filed:
April 23, 2007
Date of Patent:
March 29, 2011
Assignee:
Paratek Microwave, Inc.
Inventors:
Keith R. Manssen, Matthew R. Greene, Wayne E. Smith, Guillaume Blin
Abstract: An embodiment of the present invention provides an apparatus, comprising an input port and a dynamic impedance matching network capable of determining a mismatch at the input port and dynamically changing the RF match by using at least one matching element that includes at least one voltage tunable dielectric capacitor. The matching network may be a “Pi”, a “T”, or “ladder” type network and the apparatus may further comprise at least one directional coupler capable of signal collection by sampling a portion of an incident signal, a reflected signal or both.
Type:
Application
Filed:
November 23, 2010
Publication date:
March 17, 2011
Applicant:
PARATEK MICROWAVE, INC.
Inventors:
Greg Mendolia, James Andrew Martin, III, Izz Khayo, Cornelis Frederik Du Toit, Heinz Bachmann, William McKinzie
Abstract: A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or more performance parameters of a communication device according to a subset of tuning states of a tunable matching network operable in a communication device, determine estimated measurements of the one or more performance parameters of the communication device for a portion of the tuning states not included in the subset of tuning states according to the actual measurements, identify a data set for each of the one or more performance parameters from at least portions of the tuning states and the actual and estimated measurements, and determine from at least a portion of the date sets one or more tuning states that achieve at least one desirable performance characteristic of the communication device. Additional embodiments are disclosed.
Type:
Application
Filed:
August 25, 2009
Publication date:
March 3, 2011
Applicant:
PARATEK MICROWAVE, INC.
Inventors:
Keith R. Manssen, Dan Boire, Matthew R. Greene
Abstract: An embodiment of the present invention provides an apparatus, comprising an RF matching network connected to at least one RF input port and at least one RF output port and including one or more voltage or current controlled variable reactive elements; a voltage detector connected to the at least one RF output port via a variable voltage divider to determine the voltage at the at least one RF output port and provide voltage information to a controller that controls a bias driving circuit which provides voltage or current bias to the RF matching network; a variable voltage divider connected to the voltage detector and implemented using a multi-pole RF switch to select one of a plurality of different resistance ratios to improve the dynamic range of the apparatus; and wherein the RF matching network is adapted to maximize RF power transferred from the at least one RF input port to the at least one RF output port by varying the voltage or current to the voltage or current controlled variable reactive elements to
Abstract: In accordance with the teachings described herein, a multi-level thin film capacitor on a ceramic substrate and method of manufacturing the same are provided. The multi-level thin film capacitor (MLC) may include at least one high permittivity dielectric layer between at least two electrode layers, the electrode layers being formed from a conductive thin film material. A buffer layer may be included between the ceramic substrate and the thin film MLC. The buffer layer may have a smooth surface with a surface roughness (Ra) less than or equal to 0.08 micrometers (um).
Type:
Grant
Filed:
April 17, 2007
Date of Patent:
January 25, 2011
Assignee:
Paratek Microwave, Inc.
Inventors:
Ivoyl P. Koutsaroff, Mark Vandermeulen, Andrew Cervin-Lawry, Atin J. Patel
Abstract: An embodiment of the present invention provides an RF log-amp detector, comprising a pre-amplifer at the input of the RF log-amp detector, a plurality of limiters with variable gain connected to the pre-amplifier, wherein the gain of the preamplifier is set to its minimum and the dynamic range is expanded by modifying the amplification gain of the plurality of limiters, thereby increasing the dynamic range and reducing accuracy, after which a coarse measurement of a power level is taken and wherein the RF log-amp detector then defines which pre-amplification level is required based on the course measurement to bring the signal at the output of the preamp within an optimum dynamic range of the log-amp and wherein the pre-amplification gain is then set while the gain of the plurality of limiters are set to their minimum value with the RF log-amp then performing a second measurement with higher accuracy and calculating the final measurement from fine measurements and the pre-amplification gain.
Abstract: An embodiment of the present invention provides a method for limiting tuning of a matching network having variable reactive elements coupled to a variable load impedance to at least reduce an undesirable effect caused by an RF signal. Other embodiments are disclosed.
Type:
Application
Filed:
September 21, 2010
Publication date:
January 20, 2011
Applicant:
PARATEK MICROWAVE, INC.
Inventors:
KEITH R. MANSSEN, MATTHEW R. GREENE, WAYNE E. SMITH, GUILLAUME BLIN
Abstract: An embodiment of the present invention provides a capacitor, including a solid electrode, an electrode broken into subsections with a signal bus lines connecting the subsections; and wherein the signal bus further connects the solid electrode with the electrode broken into subsections.
Abstract: An acoustic bandgap structure can include a stack of at least three ferroelectric layers with a top side and bottom side of each of the ferroelectric layers contacting an electrode layer, where the ferroelectric layers and the electrode layers form a substantially periodic structure in the direction normal to the ferroelectric and electrode layers and where an acoustic characteristic impedance and thickness of each layer are selected to realize an acoustic bandgap over a desired frequency band for the purpose of improving the device Q.
Abstract: An embodiment of the present invention provides an apparatus, comprising an input port and a dynamic impedance matching network capable of determining a mismatch at the input port and dynamically changing the RF match by using at least one matching element that includes at least one voltage tunable dielectric capacitor. The matching network may be a “Pi”, a “T”, or “ladder” type network and the apparatus may further comprise at least one directional coupler capable of signal collection by sampling a portion of an incident signal, a reflected signal or both.
Type:
Grant
Filed:
October 8, 2005
Date of Patent:
January 4, 2011
Assignee:
Paratek Microwave, Inc.
Inventors:
Greg Mendolia, James Andrew Martin, III, Izz Khayo, Cornelis Frederik du Toit, Heinz Bachmann, William McKinzie
Abstract: An embodiment of the present invention provides an apparatus, comprising an RF matching network connected to at least one RF input port and at least one RF output port and including one or more voltage or current controlled variable reactive elements; a voltage detector connected to the at least one RF output port via a variable voltage divider to determine the voltage at the at least one RF output port and provide voltage information to a controller that controls a bias driving circuit which provides voltage or current bias to the RF matching network; a variable voltage divider connected to the voltage detector and implemented using a multi-pole RF switch to select one of a plurality of different resistance ratios to improve the dynamic range of the apparatus; and wherein the RF matching network is adapted to maximize RF power transferred from the at least one RF input port to the at least one RF output port by varying the voltage or current to the voltage or current controlled variable reactive elements to
Abstract: An embodiment of the present invention provides an apparatus, comprising a plurality of sub-arrays and at least one beamformer driving the plurality of sub-arrays, the at least one beamformer employing at least one phase shifter.
Type:
Grant
Filed:
September 23, 2008
Date of Patent:
November 30, 2010
Assignee:
Paratek Microwave, Inc.
Inventors:
Khosro Shamsaifar, Cornelius DuToit, Louise C. Sengupta, Donya He
Abstract: An embodiment of the present invention provides an apparatus, comprising a wireless handset and an antenna tuner within the wireless handset that is adapted to preset its impedance to the transmit/receive circuitry in the handset.
Abstract: In an embodiment of the present invention is provided a method of manufacturing a varactor, comprising providing a substrate; positioning a bottom electrode on a surface of the substrate; placing a tunable dielectric material adjacent to and extending over the bottom electrode forming a step and in contact with a top electrode; placing an interconnect layer in contact with the bottom electrode, the tunable dielectric and the top electrode.
Type:
Grant
Filed:
February 6, 2008
Date of Patent:
October 5, 2010
Assignee:
Paratek Microwave, Inc.
Inventors:
Xubai Zhang, Louise C. Sengupta, Jason Sun, Nicolaas DuToit
Abstract: In an embodiment of the present invention is provided a varactor comprising a substrate, a bottom electrode positioned on a surface of the substrate, a tunable dielectric material positioned adjacent to and extending over the bottom electrode forming a step and in contact with a top electrode, and an interconnect layer in contact with the bottom electrode, the tunable dielectric and the top electrode.
Type:
Grant
Filed:
July 2, 2008
Date of Patent:
October 5, 2010
Assignee:
Paratek Microwave, Inc.
Inventors:
Xubai Zhang, Louise C. Sengupta, Jason Sun, Nicolaas DuToit
Abstract: An embodiment of the present invention provides a power amplifier, comprising tunable impedance matching circuit including a plurality of tunable dielectric varactors and a DC voltage source interface capable of providing voltage to said plurality of said tunable dielectric varactors.
Type:
Grant
Filed:
March 17, 2008
Date of Patent:
September 14, 2010
Assignee:
Paratek Microwave, Inc.
Inventors:
Cornelis Frederik du Toit, Deirdre A Ryan