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9024702 Low phase shift voltage variable attenuator  
Disclosed is a low phase shift voltage variable attenuator. The low phase shift voltage variable attenuator may include: a first directional coupler including a first input terminal in which a...
8988127 Temperature compensation attenuator  
In one embodiment, a temperature compensating attenuator is disclosed having an attenuation circuit and a control circuit. The temperature compensating attenuator circuit may include a first...
8937501 Active field effect transistor limiter  
An apparatus having a detector and a circuit is disclosed. The detector may be configured to generate a control signal in response to a voltage level of an input signal. The circuit may be...
8933762 Absorber unit for a bus system  
An absorber unit is disclosed for increasing the noise immunity of a system bus. In order to improve the noise immunity of the system bus, the system bus is designed such that communication can...
8934257 Apparatus and methods for coplanar printed circuit board interconnect  
In some embodiments, an apparatus includes a first substrate, a second substrate, a first coupler, and a second coupler. The first substrate is formed from a first material and includes an...
8890598 Multiple ramp variable attenuator  
The present disclosure provides an attenuator and associated methods of operations. An exemplary attenuator includes an input terminal, an output terminal, a voltage reference terminal, a first...
8878588 Low distortion MOS attenuator  
An attenuation circuit uses a voltage controlled variable resistance transistor as a signal attenuator for receivers operating in the zero Hz to about 30 MHz range. The transistor functions in the...
8816823 Electromagnetic wave transmission sheet, radio LAN system, RFID system, and electromagnetic wave transmission method  
Provided is an electromagnetic wave transmission sheet having a mesh-shaped electrode. The sheet has a length of width in a direction vertical to the propagation direction of the transmitted...
8779826 Power splitter and combiner  
An electronic device is described, the device including a first circuit arranged to transfer a signal with a first predetermined phase shift, a second circuit, connected in series with the first...
8779870 Low phase variation CMOS digital attenuator  
A low phase variation attenuator uses a combined attenuation path and a phase network to significantly reduce a phase error between a reference signal and an attenuated signal without degrading...
8736344 Voltage controlled variable attenuator  
Voltage controlled variable attenuators are described that are configured to be coupled to a transmission path to furnish variable attenuation of a signal, such as a radio frequency signal. In one...
8692604 Impedance calibration circuit  
An impedance calibration circuit may include a first reference voltage generator configured to generate a first reference voltage in response to reference voltage calibration signals, a second...
8686780 Low distortion MOS attenuator  
An attenuation circuit uses a voltage controlled variable resistance transistor as a signal attenuator for receivers operating in the zero Hz to about 30 MHz range. The transistor functions in the...
8674746 Electronic circuits with variable attenuators and methods of their operation  
Variable attenuators and methods of their operation are provided. A variable attenuator includes first and second variable resistance circuits and multiple additional resistors. The first variable...
8659340 Tunable voltage-controlled pseudo-resistor  
A tunable voltage-controlled pseudo-resistor structure, comprising: a symmetric PMOS transistor circuit and an auto-tuning circuit connected in series. Input of the auto-tuning circuit is...
8648641 Voltage controlled variable resistor suitable for large scale signal application  
A voltage controlled variable resistor circuit is configured to variably attenuate a variable source signal. A fixed attenuation circuit is coupled to receive the variable source signal and output...
8638155 Level-shifter circuit  
A level-shift circuit, comprising: an input, for receiving a first voltage; an output, for outputting a second voltage; a resistor array comprising one or more resistors connected in series to the...
8633754 Variable attenuator having stacked transistors  
In one embodiment, a variable attenuator is disclosed having an attenuation circuit and a control circuit. The attenuation circuit may include a first series connected attenuation circuit segment...
8614597 High linear voltage variable attenuator (VVA)  
An apparatus comprising one or more series transistor network elements and a plurality of shunt circuits. The series transistor network may be configured to generate an output signal in response...
8610482 Trimming circuit and method for driving trimming circuit  
A highly reliable trimming circuit is provided. A rewritable trimming circuit is provided. A method for driving a highly reliable trimming circuit is provided. A method for driving a rewritable...
8598965 Attenuator  
An attenuator is provided. The attenuator includes a first resistor, which is electrically connected to an input node; a nanowire, which is connected to the first resistor in series, for filtering...
8587358 Semiconductor integrated circuit including variable resistor circuit  
Provided is a semiconductor integrated circuit including a variable resistor circuit of the small layout area, which is free from an error in resistance caused by ON-state resistances of switch...
8547157 Radio frequency switching device with fast transient response time  
Embodiments provide a radio frequency (RF) switching apparatus including an RF switching device configured to receive an RF input signal and to pass an RF output signal if the RF switching device...
8461898 Temperature compensation attenuator  
In one embodiment, a temperature compensating attenuator is disclosed having an attenuation circuit and a control circuit. The temperature compensating attenuator circuit may include a first...
8441297 PMOS resistor  
Provided is a PMOS resistor. The PMOS resistor includes a PMOS transistor pair, a switching unit, and a negative feedback unit. The PMOS transistor pair is symmetrically connected between first...
8421550 Impedance matching component and hybrid wave-absorbing material  
Embodiments of the present disclosure relate to an impedance matching component and a hybrid wave-absorbing material. The impedance matching component is disposed between a first medium and a...
8390359 Low distortion MOS attenuator  
An attenuation circuit uses a voltage controlled variable resistance transistor as a signal attenuator for receivers operating in the zero Hz to about 30 MHz range. The transistor functions in the...
8368451 High power radio frequency (RF) switch  
A radio frequency (RF) switch circuit includes switching devices coupled at a common node and a floating control signal circuit (CSS) coupled to the control electrodes of the switching devices and...
8362850 Attenuator  
A circuit includes a first node, a second node, a third node between the first and second nodes, a first field effect transistor coupled between the first and third nodes, a second field effect...
8358181 Substrate attenuator circuit  
Disclosed is a substrate attenuator circuit having a thin, long conductive pattern with a plurality of bends on a substrate, with heat generation per unit area reduced to a small amount even at a...
8344784 Method and circuit arrangement for controlling switching transistors of an integrated circuit  
A method and circuit arrangement is provided for controlling switching transistors of an integrated circuit, with a bridge circuit and with a control unit, which is designed and/or has a program...
8334718 Variable attenuator having stacked transistors  
In one embodiment, a variable attenuator is disclosed having an attenuation circuit and a control circuit. The attenuation circuit may include a first series connected attenuation circuit segment...
8319580 Attenuator  
An attenuator includes a first 3 dB bridge, a second 3 dB bridge and an amplifying tube group, where the amplifying tube group includes a first amplifying tube and a second amplifying tube, a...
8305158 Attenuator  
An attenuator includes a first terminal, a second terminal, a first circuit coupled between the first and second terminals and including a field effect transistor including a gate terminal coupled...
8299870 Programmable gain attenuator with a wide attenuation range and a fine attenuation step size  
A programmable gain attenuator (PGA) configured to receive a signal at an input and provide an attenuated version of the signal at an output is provided herein. The PGA includes a resistor coupled...
8242859 Line noise attenuator  
To power-consume noise currents flown in power source lines, etc. in non-uniform wiring modes to such a level that noise obstructions can be suppressed by using a resistance without a capacitor...
8212648 Variable attenuator  
A variable attenuator, including at least a one-stage attenuator circuit, including at least a signal input end, a signal output end, a common grounded end, a first serial resistor, a first...
8203397 Attenuator  
An attenuator includes a first terminal, a second terminal, a first circuit coupled between the first and second terminals and including a field effect transistor including a gate terminal coupled...
8198932 Voltage generating circuit for an attenuator  
A circuit includes a digital-to-analog converter (DAC), coupled to a power supply, that provides a first current at a first output terminal of the DAC and a second current at a second output...
8188807 Attenuation element  
The invention relates to an attenuation element. According to the invention, this attenuation element has two rail pieces (46, 48) and two conducting pieces (50, 52), wherein a rail piece (46, 48)...
8179298 Multi-directional resonant-type electromagnetic wave absorber, method for adjusting electromagnetic wave absorption performance using the same and manufacturing method of the same  
A multi-directional resonant-type electromagnetic wave absorber includes: at least one ground layer; a first dielectric layer and a second dielectric layer respectively formed on different outer...
8179205 Linearization systems and methods for variable attenuators  
Systems and methods for provided for linearization systems and methods for variable attenuators. The variable attenuators can include series transistors along a main signal path from the input to...
8149042 Analog switch for signal swinging between positive and negative voltages  
An analog signal is input to an input terminal. An analog signal is output via an output terminal. A first transistor is an N-channel MOSFET, and is provided between the input terminal and the...
8143969 Multiple tap attenuator microchip device  
A multiple tap attenuator microchip device is disclosed. The device includes a substrate having two or more attenuator taps formed on a surface of the substrate. One or more ground contacts are...
8138851 High bandwidth programmable transmission line equalizer  
A transmission line equalizer includes multiple signal paths connected in parallel between an equalizer input signal and an output amplifier where each signal path has a network implementing a...
8130056 Thermometer coded attenuator  
Techniques are disclosed that allow for programmable attenuation using thermometer code steps. By thermometer coding the attenuator structure, monotonicity is guaranteed or otherwise greatly...
8076995 Integrated digitally controlled linear-in-decibels attenuator  
An integrated digitally controlled linear-in-decibels attenuator circuit in which one or more sets of selection switches establish a desired attenuation by selectively connecting the input signal...
8031031 Attenuator  
An attenuator includes a T-type two terminal pair network including first and second terminals, first, second and third circuits, wherein the first terminal receives an input signal to be...
8022785 Step attenuator circuit with improved insertion loss  
A step attenuator circuit is mounted on a printed circuit board and has a highpass filter network passing high frequency signals and a lowpass filter network passing low frequency signals. The...
7999631 Anti-parallel PI PIN attenuator structure with improved CSO performance  
An RF attenuator circuit includes an anti-parallel PI structure having an input shunt arm comprising a single PIN diode, and an output shunt arm comprising a single PIN diode configured to have...