Inventor

HELLBERG RICHARD

SE68 patents

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

HELLBERG RICHARD

ERICSSON TELEFON AB L M

Composite amplifier

Transmitter including a composite amplifier

Sample rate conversion method and apparatus

Arrangements and methods for generating a radio frequency signal

Power and area efficient fast fourier transform processor

Hybrid class amplifier

Composite amplifier with optimized linearity and efficiency

Transmitter including a composite amplifier

Composite amplifier

System and method employing a reduced NCO lookup table

Composite amplifier, a radio terminal and a method for improving the efficiency of the composite amplifier

Composite power amplifier

Composite power amplifier

Composite amplifier structure

Flexibility enhancement to the modified fast convolution algorithm

Method and arrangement in a radio receiver system with several standards

Flexible and efficient channelizer architecture

Hybrid class amplifier

Efficient composite amplifier

Power amplifier system

Correlator receiver

Reduced complexity and increased flexibility modified fast convolution algorithm

Generation of modulated radio frequency signals

A/D converter background calibration

Power amplifier for amplification of an input signal into an output signal

Linearized switch-based power amplifier

A/D conversion

Flexibility enhancement to the modified fast convolution algorithm

Method for compensating signal distortions in composite amplifiers

Driver circuit for composite power amplifier

Amplifier circuit and method for compensating an output signal provided at an output of the amplifier circuit

Bandwidth-constrained signal conditioning

Efficient generation of radio frequency currents

Method and apparatus for digital channelisation and de-channelisation

Ultra-wideband crest factor reduction

Method for controlling a linear amplifier and power amplifier arrangement

Reduced delay implementation of fourier transform based channelizers and de-channelizers

Amplifier protection circuit and method

Sequential continuous wideband amplifiers

Feedforward amplifier

Wideband power amplifier arrangement

Distributed power amplifiers

HELLBERG RICHARD

Method and arrangement in a mobile communications system

Method for limiting local bandwidth impairment using tone reservation

Apparatuses and a method for reducing peak power in a transmitter of telecommunications systems

Multi-stage amplifier

Radio frequency power amplifier circuit and method

ERICSSON TELEFON AB L M (publ)

Multi-stage amplifiers with low loss

TELEFONAKITIEBOLAGET L M ERICS

Method and apparatus for generating an RF signal

FONDEN TONY

Method for compensating signal distortions in composite amplifiers