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7603091 |
Hybrid balun apparatus and receiver comprising the same
The present invention relates to a hybrid balun apparatus and a receiver thereof. The hybrid balun apparatus comprises a passive unit, a first active unit, and a second active unit. The passive...
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7592884 |
High frequency component
The invention relates to a high frequency component with a substrate constructed of a plurality of dielectric layers and, between them, electrode layers having conducting track structures, in which...
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7570129 |
3D MMIC balun and methods of making the same
A three dimensional (3D) monolithic integrated circuit (MMIC) balun and methods of making the same are provided. A primary spiral winding is spaced apart from a secondary primary winding by a gap...
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7567142 |
Quasi-balun
A quasi-balun circuit for receiving an unbalanced input and providing signals to a balanced-input low noise amplifier (LNA) is provided. Notably, this quasi-balun circuit can provide a phase...
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7557673 |
Wide bandwidth microwave balun
A wide bandwidth microwave balun utilizes frequency band splitting and two conventional baluns operating in a high frequency band and a low frequency band, which when combined offer a full...
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7541887 |
Balun
A balun includes a first transforming part ( 30 ) and a second transforming part ( 40 ). The first transforming part includes a first coupled line ( 32 ), a first transmission line ( 34 ), a second...
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7538618 |
Wideband active balun circuit based on differential amplifier
Provided is a wideband active balun circuit based on a differential amplifier. The active balun circuit is configured to compensate for unbalance between two differential signals and can be applied...
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7535313 |
Balun
A balun includes an input line for receiving an unbalanced signal, an output line for receiving the unbalanced signal from the input line and outputting a balanced signal, and a ground. The input...
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7528675 |
Microstrip-type BALUN, broadcast receiving apparatus using the same and method of forming thereof
Disclosed are a microstrip-type BALUN (BALance to UNbalance transformer), broadcast receiving apparatus using the same, and a method for forming the same. The BALUN includes a board and a...
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7526256 |
Transformer-based multi-band RF front-end architecture
An apparatus and method for allowing two different signal paths to be coupled to a multi-tap transformer balun. The multi-tap transformer has a first port, which is coupled to a single antenna, and...
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7511591 |
Setting of the impedance ratio of a balun
The modification of the impedance ratio of a balun of four conductive windings formed in two metallization planes stacked by being interdigited and electrically in series two by two, by connecting...
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7468640 |
Balanced splitter
A balanced splitter has six ¼ strip lines. The first and third strip lines are electromagnetically coupled to each other to form a coupler. The second and fourth strip lines are...
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7453327 |
Symmetrizing arrangement
A re-balancing device ( 1 ) comprising a line ( 12 ). Said line comprises a first pole ( 3 ) of a first conductor ( 2 ) and a first pole ( 6 ) a second conductor ( 5 ) on a first side ( 8 ), in...
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7449975 |
Ultra wide bandwidth balun
A balun is a device for coupling together balanced and unbalanced electrical signals. An ultra-wide bandwidth balun can operate in a frequency band of more than 1.5 GHz to 26.5 GHz. The balun can...
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7449974 |
On-chip balun and transceiver using the same and method for fabricating on-chip balun
Provided are an on-chip balun, a transceiver using the on-chip balun, and a method for fabricating the on-chip balun. The on-chip balun includes: a first metal winding including a port grounded and...
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7391286 |
Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters
A film acoustically-coupled transformer (FACT) has a first and a second stacked bulk acoustic resonator (SBAR 1 , SBAR 2 ). Each SBAR has a stacked pair of film bulk acoustic resonators (FBARs)...
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7388455 |
Film acoustically-coupled transformer with increased common mode rejection
The film acoustically-coupled transformer (FACT) has a first and second decoupled stacked bulk acoustic resonators (DSBARs). Each DSBAR has a lower film bulk acoustic resonator (FBAR), an upper...
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7385458 |
System method and apparatus for a three-line balun with power amplifier bias
A balun that includes a first conductor, a second conductor and a third conductor. The first conductor has a first length. The first conductor also has a first end connected to a first balanced...
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7348868 |
Passive component having stacked dielectric layers
A passive component comprising one input electrode layer constituting an input terminal, one output electrode layer constituting an output terminal, and four shield electrode layers constituting...
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7330085 |
Balun with localized components
A mode-switching transformer with localized components comprising: between a first common-mode access terminal and a first differential-mode access terminal defining a first path, two LC cells,...
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7286024 |
Voltage-controlled oscillator with differential output
A voltage-controlled oscillator for generating differential output is disclosed. The voltage-controlled oscillator comprises a Colpitts oscillator having a first inductor and a capacitive divider...
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7283793 |
Package filter and combiner network
A transceiver front end circuit includes an antenna terminal capable of being coupled to an antenna. A first balun circuit has a single input that is coupled to the antenna terminal, and a pair of...
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7274268 |
Balun with structural enhancements
A balun including a pair of metal coil structures and an intervening dielectric layer having a thickness that is selected in response an operating frequency of the balun. The thickness of the...
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7269391 |
Tunable transceiver front end
A transceiver front end includes a transmit/receive (T/R) switch, a first balun, a second balun, a low noise amplifier, a power amplifier, and compensation circuitry. The T/R switch is operably...
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7248130 |
High power combiner/divider
A power combiner/divider is disclosed that employs triaxial transmission line structures operatively coupled to provide a desired number of input/output ports. A balun is operatively coupled to the...
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7236080 |
On-chip high Q inductor
A high-Q on-chip inductor includes a primary winding and an auxiliary winding. The primary winding includes a first node and a second node. The auxiliary winding is operably coupled to increase a...
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7215217 |
Marchand-type distributed balun
A mode-switching transformer including a first conductive line between two common-mode access terminals and a second conductive line between two differential mode access terminals, the lines being...
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7212085 |
Filter assembly with unbalanced to balanced conversion and reduced noise
A filter assembly capable of unbalanced to balanced conversion. An unbalanced to balanced conversion unit is coupled to an input terminal for transforming a received unbalanced signal thereat to a...
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7205861 |
Balun device
A balun device provides a more suitable technique for a broader band application which has been difficult for conventional baluns. The balun device has a balun unit, which is provided with a...
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7199684 |
Filter circuit with a filter stage and balun on a single substrate
A filter circuit comprises a balanced port, an unbalanced port and a substrate. A series circuit of a filter stage and a balun is disposed between the balanced port and the unbalanced port. The...
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7199679 |
Baluns for multiple band operation
A small size, low cost balun is formed on a substrate, such as gallium arsenide, as an integrated passive device. Multiple baluns are formed on a same substrate, allowing multi-band operation. For...
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7199665 |
Single to dual non-overlapping converter
A converter includes an input circuit to receive a single-ended input signal to generate a number of control signals. The control signals have a delay different from one another relative to the...
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7180998 |
Regulator for impedance balance of a transmission wire pair
The present invention relates to a regulator for impedance balancing of first ( 104 ) and second wires ( 106 ) of a transmission wire pair having respective first and second impedances, the regular...
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7176768 |
Balanced high-frequency device and balanced high-frequency circuit using the same
A balanced high-frequency device includes a balanced element; at least one balanced terminal connected to the balanced element; a phase circuit having at least first, second, and third impedance...
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7157986 |
Three-dimensional balun
A three-dimensional balun is disclosed by laminating alternate layers of conductor and dielectric substrate on top of each other to create a microwave circuit. The laminated layers are constructed...
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7129803 |
Tuned transformer balun circuit and applications thereof
A tuned transformer balun circuit includes a transformer balun, a first tuning capacitor, a second tuning capacitor, and a third tuning capacitor. A first plate of the first tuning capacitor is...
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7116185 |
Balun
A balun comprises an unbalanced terminal, two balanced terminals, and two ground terminals. The balun further comprises: a low-pass filter provided between the unbalanced terminal and one of the...
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7081800 |
Package integrated one-quarter wavelength and three-quarter wavelength balun
According to embodiments of the present invention, a balun is disposed on a package that is to receive a die. In embodiments, the balun includes a first metal trace disposed on a first base and a...
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7005956 |
Balun built in multiple ceramic layers
A balance-to-unbalance transformer ( 10 ), comprising an input terminal ( 11 ), a first output terminal ( 12 ), a second output terminal ( 13 ), a first circuit line comprising at least two...
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6952142 |
Frequency-selective balun transformer
A mode-switching transformer selective on a band centered on a first frequency, comprising, between a same common mode input/output terminal and respectively one of two differential mode...
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6927647 |
Two channels, high speed, RF switch
A dual channel, RF switch with broadband frequency response is provided wherein an RF signal input to a transformer is provided to a first and second biasing circuit. Each biasing circuit includes...
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6917261 |
Component operating with bulk acoustic waves, and having asymmetric/symmetrical circuitry
A component operating with bulk acoustic waves has two Bulk Acoustic Wave (BAW) resonators that are stacked and are acoustically coupled to one another, with a first resonator being connected to an...
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6917255 |
Video balun
An embodiment of the invention is a connection system for coupling an unbalanced transmission line to a balanced transmission line. The connection system includes a connector having a housing and a...
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6917254 |
Balanced-to-unbalanced transformer
A method relating to a balun for transmitting a high degree of high-frequency power where metal sheet element is soldered onto the loop conductor tract of the symmetrical circuit loop, the...
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6900705 |
Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same
A balanced high-frequency device is constituted by a balanced device and a phase circuit. The input side of the balanced device is connected to an input terminal IN serving as an unbalanced...
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6882240 |
Integrated segmented and interdigitated broadside- and edge-coupled transmission lines
A transmission line element is formed in an integrated circuit chip. The transmission line element includes a plurality of parallel conductors, with each conductor including a plurality of...
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6850127 |
Laminated electronic component
A laminated electronic component in which insulating layers and conductive patterns are stacked to form a filter and a balun within the stacked body to connect the filter and the balun between an...
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6828881 |
Stacked dielectric filter
A stacked dielectric filter includes a filter section which has first and second input side resonant electrodes and first and second output side resonant electrodes of two ¼ wavelength resonators,...
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6828874 |
Signal combiner
A modulator 200 is based around a switching circuit 212 and a pausey stub balun 210 . The balun 210 has a distributed resistance 232 to ground. The balun may be implemented as a strip line...
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6819200 |
Broadband balun and impedance transformer for push-pull amplifiers
A balun and transformer system ( 201 ) is provided in which a balun ( 112 ) is cascaded between two 4:1 impedance transformers ( 102, 110 ) to form a 16:1 broadband impedance transformation for...
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