1. Complete Design and Measurement Methodology for a Tunable RF Impedance-Matching Network.
- Author
-
Hoarau, Christophe, Corrao, N., Arnould, J.-D., Ferrari, Philippe, and Xavier, Pascal
- Subjects
- *
DEALS , *DIGITAL communications , *ELECTRIC lines , *DATA transmission systems , *ELECTRONIC data processing , *BROADBAND communication systems , *WAVEGUIDES , *ENERGY industries , *ELECTRONICS , *DIRECTIONAL couplers , *ELECTRIC circuits - Abstract
This paper presents the design, fabrication, and characterization of a compact narrowband tunable impedance-matching network. A prototype was fabricated in hybrid technology using coplanar waveguide transmission lines and surface-mounted components. The network consists of a H-structure with tunable components made of varactors in series with inductors. Simulations and measurements are in good agreement. A new measurement methodology suitable for tunable impedance-matching networks is proposed. The results show that complex impedances with magnitudes varying from 6 Ω to 1 kΩ can be matched at 1 GHz and tuned in a 50% bandwidth. In addition, nonlinear measurements were done to fully characterize the network. The 1-dB compression point is reached at an input power of 20 dBm, while the input power for the third-order intermodulation intercept point is 21.3 dBm for a 1-kHz offset between the two input frequencies. [ABSTRACT FROM AUTHOR]
- Published
- 2008
- Full Text
- View/download PDF