| 8089253 |
Power supplies for RF power amplifier |
— |
2012-01-03 |
| 8081042 |
Apparatus, method and computer program |
Teijo Henrikki Lehtinen |
2011-12-20 |
| 7532680 |
Multi-mode radio frequency transmitter |
Jukka Vayrynen, Antti Rauhala |
2009-05-12 |
| 7403750 |
Reuse of digital-to-analog converters in a multi-mode transmitter |
Seppo Rosnell, Mika Salmi |
2008-07-22 |
| 7015755 |
Stacked modulator and automatic gain control amplifier |
Markus Pettersson |
2006-03-21 |
| 7010057 |
Dual mode multi-slot EGPRS transmitter |
Jukka Vayrynen, Antti Rauhala |
2006-03-07 |
| 6912381 |
Processing received signals |
— |
2005-06-28 |
| 6668162 |
Method and an arrangement for compensating the temperature drift of a detector and a control signal in periodic control |
— |
2003-12-23 |
| 6393260 |
Method for attenuating spurious signals and receiver |
Antti Rauhala, Harri Kimppa |
2002-05-21 |
| 6392501 |
Method and arrangement for tuning a resonator |
— |
2002-05-21 |
| 6373345 |
Modulator structure for a transmitter and a mobile station |
Harri Kimppa, Markus Pettersson |
2002-04-16 |
| 6259312 |
Circuit arrangement for adjusting the impedance of a differential active component |
— |
2001-07-10 |
| 5999523 |
Radiotelephone operating in a time-divided radiotelephone system |
— |
1999-12-07 |
| 5678224 |
Mixer circuit |
— |
1997-10-14 |
| 5565821 |
Voltage controlled oscillator with improved tuning linearity |
— |
1996-10-15 |
| 5493255 |
Bias control circuit for an RF power amplifier |
— |
1996-02-20 |
| 5469126 |
I/Q-modulator and I/Q-demodulator |
— |
1995-11-21 |
