220463 ⎘
Multiple-port networks comprising only passive electrical elements as network components; Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
Sub-classes:ATTENUATORS FOR RADIO-FREQUENCY APPLICATIONS
#2DIFFERENTIAL DIGITAL STEP ATTENUATORS WITH LEAKAGE CANCELLATION
#3High Resolution Attenuator or Phase Shifter with Weighted Bits
#4MULTI-LEVEL DIGITAL STEP ATTENUATOR AND DIGITAL STEP ATTENUATION DEVICE
#5RESISTIVE ATTENUATOR AND METHOD FOR IMPROVING LINEARITY OF RESISTIVE ATTENUATOR
#6Variable circuit
#7Signal generation apparatus, level correction value calculation system, and level correction value calculation method
#8High resolution attenuator or phase shifter with weighted bits
#9Amplifier and signal processing apparatus
#10Time gain compensation circuit and related apparatus and methods
#11Compact digital attenuator
#12High resolution attenuator or phase shifter with weighted bits
#13Multiscale vector constellation
#14Switching circuit and variable attenuator
#15Lossless lobing circuit for multi-subarray tracking
#16High resolution attenuator or phase shifter with weighted bits
#17Digital switched attenuator
#18Attenuator
#19Transmission line with device for limiting losses through impedance mismatch
#20Reduced transistor bridge attenuator
#21Digital switched attenuator
#22Attenuators for electronic applications
#23Time gain compensation circuit and related apparatus and methods
#24Attenuator
#25Transmission line with device for limiting losses through impedance mismatch
#26Self-matching phase shifter/attenuator
#27Switched capacitor based digital step attenuator
#28Attenuators having phase shift and gain compensation circuits
#29Digital switched attenuator
#30Method and system for attenuator phase compensation
#31Hybrid coupler with phase and attenuation control
#32Digital step attenuator
#33Attenuator and high frequency circuit
#34Step attenuators
#35RF attenuator device and system
#36Compensated programmable RF attenuator
#37State change stabilization in a phase shifter/attenuator circuit
#38Propagation velocity tuning with functionalized carbon nanomaterial in printed wiring boards (PWBs) and other substrates, and design structures for same
#39Methods for tuning propagation velocity with functionalized carbon nanomaterial
#40Multi-bit cell attenuator
#41High-voltage radio-frequency attenuator
#42Apparatus and methods for reducing glitches in digital step attenuators
#43Apparatus and methods for controlling overshoot in digital step attenuators
#44Programmable step attenuator with cross connection
#45Constant impedance switch
#46Systems, devices and methods related to radio-frequency step attenuators
#47Active attenuator keeping saturated output power for reduced input power
#48Electrically programmable electronic load
#49Step attenuator with constant input capacitance
#50Low phase shift voltage variable attenuator
#51Analog signal processing device for phased array antennas
#52Signal processing apparatus and method and communication apparatus
#53Digital step attenuator utilizing thermometer encoded multi-bit attenuator stages
#54Digital voltage-controlled attenuator
#55System and method for improving power efficiency of a transmitter
#56Broadband analog radio-frequency integrator
#57Variable phase shifter-attenuator
#58Variable resister having resistance varying geometrically ratio and control method thereof
#59Units for analog signal processing
#60VERSATILE SYSTEM FOR TRANSCEIVER NOISE REDUCTION IN A TIME-DIVISION DUPLEXING WIRELESS NETWORK
#61Millimeter-wave switches and attenuators
#62Programmable gain attenuator with a wide attenuation range and a fine attenuation step size
#63DIGITAL ATTENUATOR HAVING SMALL PHASE VARIATION
#64SWITCHING OF RESISTOR EPI BIASING FOR REVERSED RESISTOR CONNECTION IN OFFSET ELEMENT CANCELLATION SYSTEM
#65Fully integrated tuner architecture
#66Digital Attenuator Circuits and Methods for Use thereof
#67Integrated switchless programmable attenuator and low noise amplifier
#68Stepped delay control of integrated switches
#69Four-state digital attenuator having two-bit control interface
#70ATTENUATION SYSTEM AND METHOD
#71Variable passive components with high resolution value selection and control
#72Analog signal processing device for phased array antennas
#73AGC method using digital gain control
#74ARRAY OF CAPACITORS SWITCHED BY MOS TRANSISTORS
#75Step attenuator
#76Fully integrated tuner architecture
#77Variable passive components with high resolution value selection and control
#78Phase shifter circuit
#79Resistance compensation circuit and method thereof
#80Digital attenuator circuits and methods for use thereof
#81PIN diode network for multiband RF coupling
#82Variable passive components with high resolution value selection and control
#83Zapping Circuit
#84Dual path attenuation system
#85Integrated switchless programmable attenuator and low noise amplifier
#86Fully integrated tuner architecture
#87Temperature compensation for internal inductor resistance
#88Versatile system for transceiver noise reduction in a time-division duplexing wireless network
#89Auto-adjustment of RC cells within a circuit
#90Image forming apparatus
#91Capacitive circuit employing low voltage MOSFETs and method of manufacturing same
#92Variable attenuation network
#93System and method for on-chip filter tuning
#94Integrated switchless programmable attenuator and low noise amplifier
#95High-resolution variable attenuation device
#96High-power radio frequency (RF) power detector