219648 ⎘
Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
Power amplification module
#4502Power amplifier including a plurality of FET cells connected in parallel
#4503Amplifier with base current reuse
#4504Systems and methods for ring-oscillator based operational amplifiers for scaled CMOS technologies
#4505Methodologies related to structures having HBT and FET
#4506Perovskites as ultra-low work function electron emission materials
#4507WIRELESS RECEIVER FOR CARRIER AGGREGATION
#4508Noise suppression in radio frequency receivers
#4509Carrier aggregation low-noise amplifier with tunable integrated power splitter
#4510Field effect transistor (FET) structure with integrated gate connected diodes
#4511System and methods for damping a resonant antenna in an NMR downhole tool
#4512Automated envelope tracking system
#4513Dynamic phased array tapering without phase recalibration
#4514Multi-mode power amplifier module
#4515Radio-frequency and bias signal coupling in power amplifier devices
#4516Impedance transformation circuit for amplifier
#4517Reducing power amplifier gain drift during a data burst
#4518Envelope tracking modulator with feedback
#4519Variable switched DC-to-DC voltage converter
#4520High efficiency variable voltage supply
#4521Low noise amplifier
#4522Dynamic phased array tapering without phase recalibration
#4523Overstress indicator
#4524Variable gain amplifier with stable frequency response
#4525Capacitive Cross-Coupling and Harmonic Rejection
#4526AMPLIFIER WITH COUPLED INDUCTORS
#4527Advanced amplifier system for ultra-wide band RF communication
#4528Apparatus for and method of a supply modulator for a power amplifier
#4529Dynamic error vector magnitude correction for radio-frequency amplifiers
#4530Quick-start high-voltage boost
#4531Power amplification module
#4532Wideband amplifier circuits and methods
#4533Amplifier devices with in-package bias modulation buffer
#4534Linear low noise amplifier
#4535Amplifier and method of operating same
#4536Bias control circuit and power amplification module
#4537Multi-phase amplifier circuits and methods for generating an amplified output signal
#4538Apparatus and methods for envelope shaping in mobile devices
#4539Low distortion multiple power amplifier power supply
#4540Generating power supply signals for a plurality of RF power amplifiers
#4541Power amplifier circuit and semiconductor integrated circuit
#4542Off-chip distributed drain biasing of high power distributed amplifier monolithic microwave integrated circuit (MMIC) chips
#4543Multimode voltage controlled oscillator
#4544Metal detection apparatus
#4545POWER TRACKER FOR MULTIPLE TRANSMIT SIGNALS SENT SIMULTANEOUSLY
#4546Radio communication device and radio communication method
#4547Class E2 amplifier
#4548Splitter/combiner system for RF waves
#4549Broadband power amplifier systems and methods
#4550Power amplifier circuit
#4551Low-noise amplifier, folded low-noise amplifier and amplifier circuit module
#4552Apparatus and methods for power enhancement of self-biased distributed amplifiers with gate bias networks
#4553Radio frequency generator and a method of generating radio frequency energy utilizing the radio frequency generator
#4554MULTIPLE-PORT SIGNAL BOOSTERS
#4555Gain control circuit and gain control method
#4556FAST SWITCHING POWER AMPLIFIER, LOW NOISE AMPLIFIER, AND RADIO FREQUENCY SWITCH CIRCUITS
#4557Negative impedance circuit
#4558Power amplification circuit
#4559Doherty amplifier
#4560Power amplifier
#4561Low dropout voltage regulator for highly linear radio frequency power amplifiers
#4562Simultaneous linearization of multiple power amplifiers with independent power
#4563Power amplifier circuit
#4564High-gain low noise figure complementary metal oxide semiconductor amplifier with low current consumption
#4565Low noise transconductance amplifiers
#4566Power amplifier saturation detection
#4567Power amplification module
#4568Apparatus and methods for power amplifier biasing
#4569Power amplifier, radio remote unit, and base station
#4570Radio frequency power amplification system, radio frequency power amplification method, transmitter, and base station
#4571Adjustable low-pass filter in a compact low-power receiver
#4572Band-based amplifier linearity adjustment
#4573Matching network circuit and radio-frequency power amplifier with odd harmonic rejection and even harmonic rejection and method of adjusting symmetry of differential signals
#4574Semiconductor device
#4575Broadband radio frequency power amplifiers, and methods of manufacture thereof
#4576Cascode power amplifier with switchable output matching network
#4577Current-mode power amplifier
#4578Mismatch detection using replica circuit
#4579Method for calibrating a frequency synthesiser using two-point FSK modulation
#4580Baseband filters and interfaces between a digital-to-analog converter and a baseband filter
#4581Power amplifier and gain switching circuit thereof
#4582Amplifier system, controller of main amplifier and associated control method
#4583Amplifier system and method for controlling amplifier
#4584Energy supply unit for a traveling wave tube
#4585FRONT END MODULE
#4586Apparatus and methods for protecting radio frequency amplifiers from overdrive
#4587Amplifier
#4588DIGITAL RADIO FREQUENCY AMPLIFICATION SYSTEM
#4589Tunable logarithmic amplifier
#4590Apparatus and method for dynamically biased baseband current amplifier
#4591Broadband envelope tracking
#4592CIRCUITS AND METHODS FOR CONTROLLING POWER AMPLIFIERS
#4593Butted body contact for SOI transistor
#4594Pre-amplifier for magnetic resonance imaging radio-frequency coil
#4595Signal amplification and transmission based on complex delta sigma modulator
#4596Composite component and front-end module
#4597Class D amplifier using Fs/4 modulation and envelope tracking power supplies
#4598Outphasing power amplifier signal splitter using next stage input impedance and multiple biasing
#4599Bias control for stacked transistor configuration
#4600Distortion correction in cascode power amplifiers
#4601Linearity performance for multi-mode power amplifiers
#4602Amplifier circuitry for envelope modulators, envelope modulators incorporating said amplifier circuitry and method of modulating a signal envelope
#4603Power amplifying apparatus and method using same
#4604Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a common source/gate LNA
#4605Combined low and high frequency continuous-time linear equalizers
#4606Apparatus and methods for level shifting in a radio frequency system
#4607Method and implementation for accurate gain-bandwidth product tuning
#4608Protection circuit for power amplifier
#4609Power amplification circuit
#4610Reconfigurable power splitters and amplifiers, and corresponding methods
#4611Optimum current control CMOS cascode amplifier
#4612Capacitive cross-coupling and harmonic rejection
#4613High-frequency modules
#4614Receiver and operating method thereof
#4615System and method for offset voltage calibration
#4616Amplifier
#4617Push-pull amplifier, corresponding apparatus and method
#4618Solder bump placement for grounding in flip chip amplifiers
#4619RF power transistors with video bandwidth circuits, and methods of manufacture thereof
#4620Power amplification system for radiofrequency communications
#4621Method and system for power amplifier characterization and digital predistortion
#4622Direct substrate to solder bump connection for thermal management in flip chip amplifiers
#4623Digital upconversion for multi-band multi-order power amplifiers
#4624Solder bump placement for emitter-ballasting in flip chip amplifiers
#4625Output impedance matching circuit for RF amplifier devices, and methods of manufacture thereof
#4626Solder bump placement for thermal management in flip chip amplifiers
#4627PA cell, PA module, wireless communication unit, RF transmitter architecture and method therefor
#4628Wireless receiver
#4629Hybrid amplifier and signal combiner
#4630Coupling assembly and radiofrequency amplification system having the same
#4631Modifiable signal adjustment devices for power amplifiers and corresponding methods and apparatus
#4632Semiconductor device leadframe
#4633Wireless communication device and method of operating the same
#4634Dual-input, high power handling, power combining LNA for full duplex communications systems
#4635Digital predistortion and uptilt and cable communication
#4636Inductor shielding
#4637PVT robust closed loop CMOS bias for linear power amplifier
#4638Multiplexed multi-stage low noise amplifier uses gallium arsenide and CMOS dies
#4639Transmitter and transmission method
#4640RF FRONT END ARCHITECTURES
#4641Noise cancelling baseband amplifier
#4642Power amplifier module
#4643Current output circuit
#4644Apparatus and methods for transmit power control in wireless communication systems
#4645Methods of calibrating a power amplifier system to compensate for envelope amplitude misalignment
#4646Circuits for field-programmable receiver front ends
#4647Power amplifier die configurations having reduced radiated emissions
#4648Apparatus and methods for biasing of power amplifiers
#4649Single conversion receiver and communication system including same
#4650Method and system for providing automatic gate bias and bias sequencing for field effect transistors
#4651Amplifier circuit and method
#4652Power amplifier linearization system and method
#4653Power amplification module
#4654Amplifier circuits
#4655Apparatus and methods for capacitive load reduction in a mobile device
#4656Apparatus and methods for multi-mode power amplifiers
#4657Methods for reducing radiated emissions from power amplifiers
#4658Systems and methods for multi-mode inductively couples communication
#4659Amplifier with boosted peaking
#4660Power amplifier module
#4661Active device which has a high breakdown voltage, is memory-less, traps even harmonic signals and circuits used therewith
#4662SINGLE POLE DOUBLE THROW AMPLIFIER
#4663Power amplification module
#4664Semiconductor Device and Method of Making a Semiconductor Device
#4665Active device and circuits used therewith
#4666Apparatus for and method of a supply modulator for a power amplifier
#4667Modified current mirror circuit for reduction of switching time
#4668Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications
#4669RF tuner with blocker detection and noise limited region recovery
#4670Linearization circuit for a multiple-stage RF power amplifier
#4671Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages
#4672Phase shift and attenuation circuits for use with multiple-path amplifiers
#4673Power amplifier cell
#4674TDMA rate reconfigurable matrix power amplifier and method of communication in a FDMA/TDMA architecture
#4675Radio frequency receiver front-end with gain control capability as well as improved impedance matching control capability
#4676Radio frequency circuitr having an integrated harmonic filter and a radio frequency circuit having transistors of different threshold voltages
#4677Apparatus and methods for radio frequency amplifiers
#4678Low noise amplifier circuit
#4679Asymmetric multilevel backoff amplifier with radio-frequency splitter
#4680RF Power Amplifier with Post-Distortion Linearizer
#4681Low noise amplifier and notch filter
#4682RF amplifier having a transition shaping filter
#4683Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter
#4684High efficiency ultra-wideband amplifier
#4685Mismatch Detection using Replica Circuit
#4686Mixer impairment correction based on volterra series
#4687Linearizer and radio frequency power amplifier using same
#4688Devices and methods that facilitate power amplifier off state performance
#4689GATE INDUCED DRAIN LEAKAGE REDUCTION
#4690Unpacked structure for power device of radio frequency power amplification module and assembly method therefor
#4691Systems and methods for extending operation of radio-frequency power amplifiers
#4692Frequency switching within time domain digital pre-distortion
#4693Receiving a plurality of radio frequency bands
#4694Equalization of frequency-dependent gain
#4695Output impedance-matching network having harmonic-prevention circuitry
#4696Supervisory control of radio frequency (RF) impedance tuning operation
#4697Dual band transmitter
#4698Systems and methods for performing shape estimation using sun sensors in large-scale space-based solar power stations
#4699Multi-path low-noise amplifier and associated low-noise amplifier module and receiver
#4700Apparatus and methods for envelope tracking systems
#4701Method for operating electronic device for RF signal transmission and electronic device for the same
#4702PROTECTION CIRCUIT FOR POWER AMPLIFIER
#4703Adaptive self-bias
#4704Weighted memory polynomial method and system for power amplifiers predistortion
#4705Distortion compensation circuit
#4706DC bias regulator for cascode amplifier
#4707Power amplifier module
#4708Systems and methods for controlling supply voltages of stacked power amplifiers
#4709COMBINED IMPEDANCE MATCHING AND RF FILTER CIRCUIT
#4710Method and apparatus for changing the gain of a radio frequency signal
#4711Power amplifier having biasing with selectable bandwidth
#4712Circuits and devices related to multi-harmonic control of amplified signals
#4713Amplifier for modulating the amplitude of an RF signal
#4714Amplifier with termination circuit and resonant circuit
#4715Dynamic bias modulator with multiple output voltage converter and power amplification apparatus using the same
#4716Systems and methods related to linear and efficient broadband power amplifiers
#4717Amplifier adapted for noise suppression
#4718Cascaded switch between pluralities of LNAS
#4719SYSTEM AND METHOD FOR DIGITAL MEMORIZED PREDISTORTION FOR WIRELESS COMMUNICATION
#4720Reconfigurable RF filter
#4721Supply modulators with voltage and frequency partitioning
#4722Bias circuits and methods for depletion mode semiconductor devices
#4723Bias circuit for low quiescent current amplifier
#4724Power amplification system with programmable load line
#4725Dynamic error vector magnitude duty cycle correction
#4726Outphasing transmitter systems and methods
#4727Diversity receiver front end system with amplifier phase compensation
#4728Balun transformer
#4729Method and apparatus for adaptive transmit power control
#4730Impedance matching arrangement for an amplifier
#4731PROTECTION CIRCUIT OF POWER AMPLIFICATION CIRCUIT AND POWER AMPLIFICATION CIRCUIT USING THE SAME
#4732Feedback compensation for multistage amplifiers
#4733Multi-port amplifier utilizing an adjustable delay function
#4734Compression control of cascode power amplifiers
#4735Systems and methods for thermal management for telecommunications enclosures using heat pipes
#4736Architectures and devices related to Doherty amplifiers
#4737Amplifier assembly
#4738LINEARIZING CIRCUIT AND METHOD FOR AMPLIFIER
#4739MOBILE DEVICE, RADIO TRANSCEIVER CIRCUIT, AND IMPEDANCE ADJUSTMENT DEVICE
#4740Power supply apparatus for power amplifier
#4741Power amplification module
#4742Power amplification module
#4743Differential class-D amplifier
#4744RF amplifier
#4745Reconfigurable load modulation amplifier
#4746Reconfigurable load modulation amplifier
#4747Power controllable wireless communication device
#4748High-Speed, High-Voltage GaN-Based Operational Amplifier
#4749Integrated RF front end system
#4750Receiver circuit
#4751Matching network for load line change
#4752Active compensation for power amplifier gain droop
#4753Apparatus and methods for tunable power amplifiers
#4754Power amplification circuit and transmitter
#4755Amplification phase correction in a pulse burst
#4756Dual-band signal transmission
#4757Detection of excessively high interference signal levels during reception of global navigation satellite system signals
#4758Dual-output asynchronous power converter circuitry
#4759Dual-mode envelope tracking power converter circuitry
#4760Dynamic bias control
#4761Communication units and methods for power supply control
#4762Switching circuit
#4763Noise-based gain adjustment and amplitude estimation system
#4764Output control circuit
#4765Scaleable RF tuned low noise amplifier
#4766Average power tracking mode power amplifier using dual bias voltage levels
#4767Tunable power amplifier with wide frequency range
#4768CASCADE AMPLIFIER LINEARIZATION IN A RADIO FREQUENCY SYSTEM
#4769Amplifier linearization in a radio frequency system
#4770PARALLEL AMPLIFIER LINEARIZATION IN A RADIO FREQUENCY SYSTEM
#4771Differential amplifier linearization in a radio frequency system
#4772Semiconductor package having an isolation wall to reduce electromagnetic coupling
#4773Class-B/C Doherty power amplifier
#4774Envelope tracking power converter circuitry
#4775Dual-mode envelope tracking power converter circuitry
#4776Systems and methods for differential dipole-based waveguide power combining
#4777Bipolar transistor having collector with doping spike
#4778Communication device
#4779Detecting power of individual carrier of aggregated carrier
#4780Power detection of individual carrier of aggregated carrier
#4781Power amplifier modules including tantalum nitride terminated through wafer via and related systems, devices, and methods
#4782Multimode operation for differential power amplifiers
#4783Bootstrap class-D wideband RF power amplifier
#4784DC bias circuit and the radio frequency receiver circuit using the same
#4785Envelope tracking power converter
#4786Power amplifier modules with harmonic termination circuit and related systems, devices, and methods
#4787Power amplifier modules with power amplifier and transmission line and related systems, devices, and methods
#4788POWER AMPLIFICATION MODULE
#4789Variation calibration for envelope tracking on chip
#4790RF circuit with multiple-definition RF substrate and conductive material void under a bias line
#4791Dual stage low noise amplifier for multiband receiver
#4792Bias circuitry for depletion mode amplifiers
#4793Devices and methods for adaptive crest factor reduction in dynamic predistortion
#4794Temperature compensation technique for envelope tracking system
#4795Power amplifier module
#4796Biasing circuitry
#4797Power amplifying apparatus
#4798Low-noise amplifier having high linearity for multi-band
#4799Switchable supply and tunable load impedance power amplifier
#4800Current enhanced driver for high-power solid-state radio frequency power amplifiers