Johan Sommarek

According to our database, Johan Sommarek authored at least 7 papers between 2002 and 2005.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2005

A 1.5-V direct digital synthesizer with tunable delta-sigma modulator in 0.13-μm CMOS.

Jonne Lindeberg, Jouko Vankka, Johan Sommarek, Kari Halonen

IEEE J. Solid State Circuits, 2005

A 20 MHz BP-PWM and BP-DSM Class-D PA in 0.18 μm CMOS.

Johan Sommarek, Ville Saari, Jonne Lindeberg, Jouko Vankka, Kari Halonen

Proceedings of the 12th IEEE International Conference on Electronics, 2005

2004

Transmitter utilising bandpass delta-sigma modulator and switching mode power amplifier.

Jaakko Ketola, Johan Sommarek, Jouko Vankka, Kari Halonen

Proceedings of the 2004 International Symposium on Circuits and Systems, 2004

A digital modulator with bandpass delta-sigma modulator.

Johan Sommarek, Jouko Vankka, Jaakko Ketola, Jonne Lindeberg, Kari Halonen

Proceedings of the 33rd European Solid-State Circuits Conference, 2004

A 1.5V direct digital synthesizer with tunable delta sigma modulator in 0.13 μm CMOS.

Jonne Lindeberg, Jouko Vankka, Johan Sommarek, Kari Halonen

Proceedings of the IEEE 2004 Custom Integrated Circuits Conference, 2004

2003

A digital quadrature modulator with on-chip D/A converter.

Jouko Vankka, Johan Sommarek, Jaakko Ketola, Ilari Teikari, Kari A. I. Halonen

IEEE J. Solid State Circuits, 2003

2002

A multicarrier GMSK modulator with on-chip D/A converter for base stations.

Jouko Vankka, Jaakko Pyykönen, Johan Sommarek, Mauri Honkanen, Kari A. I. Halonen

IEEE J. Solid State Circuits, 2002