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Resonant Inc patents


Recent patent applications related to Resonant Inc. Resonant Inc is listed as an Agent/Assignee. Note: Resonant Inc may have other listings under different names/spellings. We're not affiliated with Resonant Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Resonant Inc-related inventors


 new patent  Element removal design in microwave filters

A method of designing a microwave filter using a computerized filter optimizer, comprises generating a filter circuit design in process (DIP) comprising a plurality of circuit elements having a plurality of resonant elements and one or more non-resonant elements, optimizing the DIP by inputting the DIP into the computerized filter... Resonant Inc

 new patent  Low-loss tunable radio frequency filter

A method of constructing an RF filter comprises designing an RF filter that includes a plurality of resonant elements disposed, a plurality of non-resonant elements coupling the resonant elements together to form a stop band having a plurality of transmission zeroes corresponding to respective frequencies of the resonant elements, and... Resonant Inc

Network synthesis design of microwave acoustic wave filters

A method of designing an acoustic microwave filter in accordance with frequency response requirements. The method comprises selecting an initial filter circuit structure including a plurality of circuit elements comprising at least one resonant element and at least one other reactive circuit element, selecting circuit response variables based on the... Resonant Inc

Simulating effects of temperature on acoustic microwave filters

A method of designing an acoustic microwave filter comprises generating a proposed filter circuit design having an acoustic resonant element with a defined admittance value, introducing a lumped capacitive element in parallel and a lumped inductive element in series with the resonant element, selecting a first capacitance value for the... Resonant Inc

Radio frequency multiplexers

There are disclosed radio frequency multiplexers and methods of designing radio frequency multiplexers. A radio frequency multiplexer includes three or more band-pass filters having respective passbands, each band-pass filter comprising two or more acoustic resonators. A first end of each of the three or more band-pass filters is connected to... Resonant Inc

Surface acoustic wave filters with extracted poles

Bandpass filters and methods of designing bandpass filters are disclosed. A bandpass filter includes a plurality of series acoustic resonators connected in series between an input and an output, and a plurality of\ shunt acoustic resonators, each shunt acoustic resonator connected between a ground and one of the input, the... Resonant Inc

Spectral analysis of electronic circuits

A method for electronic circuit spectral analysis includes receiving a list of parts for an electronic circuit, determining a part admittance matrix with algebraic nodes for each part, and determining a circuit admittance matrix for exterior nodes, interior nodes, and algebraic nodes based on the part admittance matrices. The method... Resonant Inc

Radio frequency filter, high selectivity triplexer, and communications device

Communications devices, triplexers, high-pass filters, and low-pass filters are disclosed. A communications device includes a triplexer having a common port and first, second, and third branch ports. A hybrid LC/SAW high-pass filter is connected between the common port and the third branch port, a hybrid LC/SAW low-pass filter is connected... Resonant Inc

Radio frequency transmit filter with integrated impedance matching network

A transmit filter for a communications device includes a surface acoustic wave (SAW) band-pass filter configured to pass a transmit frequency band and a tunable transmitter impedance matching network in series. The tunable transmitter impedance matching network matches an input impedance of the SAW band-pass filter to the output impedance... Resonant Inc

Dual passband radio frequency filter and communications device

Multi-band filters and communications devices are disclosed. A multi-band filter has a lower pass-band and an upper pass-band separated by an intervening stop-band. The multi-band filter includes a first ladder network and a second ladder network coupled in series. The first ladder network is configured to provide transmission zeros at... Resonant Inc

Technique for designing acoustic microwave filters using lcr-based resonator models

A method of designing an acoustic microwave filter in accordance with frequency response requirements comprises generating a modeled filter circuit design having a plurality of circuit elements comprising an acoustic resonant element defined by an electrical circuit model that comprises a parallel static branch, a parallel motional branch, and one... Resonant Inc

Acoustic wave filter with enhanced rejection

An acoustic filter comprises a piezoelectric layer, an acoustic resonator structure monolithically disposed on the piezoelectric layer, a lumped capacitive structure monolithically disposed on the piezoelectric layer and being electrically coupled to the acoustic resonator structure. The acoustic resonator structure comprises an arrangement of planar interdigitated resonator fingers, and each... Resonant Inc

Simulating effects of temperature on acoustic microwave filters

A method of designing an acoustic microwave filter comprises generating a proposed filter circuit design having an acoustic resonant element with a defined admittance value, introducing a lumped capacitive element in parallel and a lumped inductive element in series with the resonant element, selecting a first capacitance value for the... Resonant Inc

Technique for designing acoustic microwave filters using lcr-based resonator models

A method of designing an acoustic microwave filter in accordance with frequency response requirements comprises generating a modeled filter circuit design having a plurality of circuit elements comprising an acoustic resonant element defined by an electrical circuit model that comprises a parallel static branch, a parallel motional branch, and one... Resonant Inc

Surface acoustic wave filters with substrate thickness selected from plural non-contiguous thickness ranges

Surface acoustic wave (SAW) filters and methods of fabricating SAW filters are disclosed. A filter includes a piezoelectric wafer having a thickness within one of a plurality of noncontiguous thickness ranges that define piezoelectric wafers upon which filter circuits meeting predetermined requirements can be fabricated according to a predetermined design... Resonant Inc

Network synthesis design of microwave acoustic wave filters

A method of designing an acoustic microwave filter in accordance with frequency response requirements. The method comprises selecting an initial filter circuit structure including a plurality of circuit elements comprising at least one resonant element and at least one other reactive circuit element, selecting circuit response variables based on the... Resonant Inc

Low-loss tunable radio frequency filter

A method of constructing an RF filter comprises designing an RF filter that includes a plurality of resonant elements disposed, a plurality of non-resonant elements coupling the resonant elements together to form a stop band having a plurality of transmission zeroes corresponding to respective frequencies of the resonant elements, and... Resonant Inc

Method of optimizing input impedance of surface acoustic wave filter

Methods of designing band-pass filters are disclosed. A baseline filter design is established, the baseline filter design including a plurality of surface acoustic wave resonators having respective resonant frequencies, the surface acoustic wave resonators organized by resonant frequency into two or more groups. One or more alternative filter designs are... Resonant Inc








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