Inventor

MUHAMMAD KHURRAM

US105 patents

⚠️ This page may combine multiple inventors who share the name “MUHAMMAD KHURRAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MUHAMMAD KHURRAM

TEXAS INSTRUMENTS INC

Digital, down-converted RF residual leakage signal mitigating RF residual leakage

Methods and apparatus to perform signal removal in a low intermediate frequency receiver

Type-II all-digital phase-locked loop (PLL)

Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space

Frequency synthesizer with digitally-controlled oscillator

Frequency synthesizer with digitally-controlled oscillator

Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing

Apparatus and method for dithering a sigma-delta modulator

Sigma-delta (ΣΔ) analog-to-digital converter (ADC) structure incorporating a direct sampling mixer

Efficient charge transfer using a switched capacitor resistor

RF A/D converter with phased feedback to low noise amplifier

Direct radio frequency (RF) sampling with recursive filtering method

Sampling mixer with asynchronous clock and signal domains

Methods and apparatus to provide an auxiliary receive path to support transmitter functions

System and method for frequency pushing/pulling compensation

Offset balancer, method of balancing an offset and a wireless receiver employing the balancer and the method

Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing

Type-II all-digital phase-locked loop (PLL)

Subsampling communication receiver architecture with gain control and RSSI generation

Subsampling communication receiver architecture with relaxed IFA readout timing

Digitally controlled analog RF filtering in subsampling communication receiver architecture

Methods and apparatus to implement receiver linearity enhancement

Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space

Wireless communications device having type-II all-digital phase-locked loop (PLL)

Spread spectrum demodulation using a subsampling communication receiver architecture

Removing close-in interferers through a feedback loop

Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space

MUHAMMAD KHURRAM

Method and apparatus for antenna tuning

System and method for transmission interference cancellation in full duplex transceiver

DCDC converter with converter modules that can be dynamically enabled or disabled

Communications device and method having non-touch based input screen

Methods and apparatus for power control

Programmable loop filter for use with a sigma delta analog-to-digital converter and method of programming the same

Wireless communications device with an adjustable impedance matching network and associated methods

Digital to analog converter

Quadrature communications device with power combiner and related methods

Quadrature communications device with I antennas and Q antennas and modulated power supply and related methods

MEDIATEK INC

System and method for measuring the DC-transfer characteristic of an analog-to-digital converter

Radar interference mitigation method and apparatus

Circuit, communication unit and method for VCO frequency adjustment

Transmitter circuit, communication unit and method for amplifying a complex quadrature signal

STASZEWSKI ROBERT B

Simultaneous multiple signal reception and transmission using frequency multiplexing and shared processing

Fine-grained gear-shifting of a digital phase-locked loop (PLL)

MSTAR SEMICONDUCTOR INC

Multiplexed configurable sigma delta modulators for noise shaping in a 25-percent duty cycle digital transmitter

Digital quadrature transmitter using generalized coordinates

SAMSUNG ELECTRONICS CO LTD

MIMO antenna array for cross division duplex

Transmit-receive isolation for a dual-polarized MIMO antenna array

WANG YONGTAO

Predistortion methods and apparatus for transmitter linearization in a communication transceiver

RESEARCH IN MOTION LTD

Wireless communications device with an adjustable impedance matching network and associated methods

ELAHI IMTINAN

Methods and apparatus for canceling distortion in full-duplex transceivers