| 7593700 |
Controllable radio frequency stage with variable gain/attenuation, in particular incorporated into the transmission chain of a cellular mobile telephone, and corresponding control method |
Philippe Cathelin |
2009-09-22 |
| 7525390 |
Circuit for converting a differential signal into a non-differential signal, and RF transmitter comprising such a circuit |
Fabien Pousset, Philippe Cathelin |
2009-04-28 |
| 7345548 |
Radiofrequency amplifier device, in particular for cellular mobile telephone |
Frederic Rivoirard |
2008-03-18 |
| 7280815 |
Process for control of standby currents in a direct conversion type of frequency transposition device, and corresponding device |
Bruno Pellat, Sylvie Gellida, Frederic Rivoirard |
2007-10-09 |
| 7227412 |
Attenuation cell with an attenuation factor control device |
Frederic Bossu |
2007-06-05 |
| 7023279 |
Linear pre-amplifier for radio-frequency power amplifier |
Christophe Pinatel |
2006-04-04 |
| 6944438 |
Transconductance stage and device for communication by Hertzian channel equipped with such a stage |
Bruno Pellat |
2005-09-13 |
| 6870427 |
Process and device for controlling the operation of a bipolar transistor in class A |
Philippe Cathelin |
2005-03-22 |
| 6778019 |
Method and device for biasing a transistor of a radio frequency amplifier stage |
Frederic Bossu |
2004-08-17 |
| 6594474 |
Controlled-gain power amplifier device, in particular for radio-frequency circuits applied to cellular mobile telephony |
Christophe Pinatel |
2003-07-15 |
| 6594504 |
Frequency transposition device having low local oscillator signal leakage and corresponding leakage reduction process |
— |
2003-07-15 |
| 6552586 |
Biasing of a mixer |
Philippe Cathelin, Kuno Lenz |
2003-04-22 |
| 5786712 |
Fast differential sample-and-hold circuit |
— |
1998-07-28 |
| 5349308 |
Amplifier using a follower transistor |
— |
1994-09-20 |
| 5311144 |
Ultra-fast differential amplifier |
— |
1994-05-10 |
| 5307027 |
Current mirror with low copying error |
— |
1994-04-26 |
| 5304793 |
Light signal receiver with preamplification function and dual polarization means |
— |
1994-04-19 |