Juha Ella

HF circuit and HF module

HF circuit and front-end circuit comprising an HF circuit

Package for a tunable filter

Duplexer having improved reflectivity

Multiplexer and mobile communication device comprising a multiplexer

Front-end circuit having a tunable filter

COMBINED IMPEDANCE MATCHING AND RF FILTER CIRCUIT

Front-end circuit for simultaneous transmission and reception operation

Tunable electroacoustic RF filter with improved electric properties and method for operating such a filter

Circuit arrangement

Multi antenna communication device with improved tuning ability

Front-end circuit for band aggregation modes

Mobile communication device with improved antenna performance

Front-end circuit

Circuit arrangement including hybrids and duplexers between antenna, transmission and reception ports

Mobile communication device with improved antenna performance

Antenna arrangement

RF front-end architecture for a separate non-50 ohm antenna system

Dual-channel passband filtering system using acoustic resonators in lattice topology

Transceiver device with switching arrangement of improved linearity

Method and device for selecting between internal and external antennas

Versatile antenna switch architecture

Front-end topology for multiband multimode communication engines

Coupled BAW resonator based duplexers

Encapsulated electronics device with improved heat dissipation

Front-end arrangements for multiband multimode communication engines

Multiband multimode communication engines

Mimo and diversity front-end arrangements for multiband multimode communication engines

Transmitter filter arrangement for multiband mobile phone