1. Guest Editorial

   • Erik Bruun
   • Pietro Andreani

   Editorial Board Pages: 5 - 6

2. A Direct Digital Synthesizer with Tunable Delta Sigma Modulator

   • Jouko Vankka
   • Jonne Lindeberg
   • Kari Halonen

   OriginalPaper Pages: 7 - 15

3. A Single-Stage Direct Interpolation Multiphase Clock Generator with Phase Error Averaging

   • Lixin Yang
   • Jiren Yuan

   OriginalPaper Pages: 17 - 26

4. An UTRA/FDD Direct-Downconversion Mixer in 0.25 μm CMOS

   • Jørgen Bøjer
   • Morten B. Gentsch
   • Saska Lindfors

   OriginalPaper Pages: 27 - 33

5. 0.35 μm CMOS T/R Switch for 2.4 GHz Short Range Wireless Applications

   • Christian Hove
   • Janus Lysholm Faaborg
   • Saska Lindfors

   OriginalPaper Pages: 35 - 42

6. Polynomial Behavioural Modelling of Switched Capacitor Amplifiers

   • Timo Rahkonen
   • Veli-Pekka Korajoki
   • Tapani Tuikkanen

   OriginalPaper Pages: 43 - 51

7. Data Converter for Multistandard Mobile Phones

   • Aziz Yurttas
   • Erik Bruun
   • Rasmus Glarborg Jensen

   OriginalPaper Pages: 53 - 61

8. A Second Order Multi-Bit Sigma Delta Modulator with Single-Bit Feedback

   • Bingxin Li
   • Hannu Tenhunen

   OriginalPaper Pages: 63 - 72