A monolithic transformer coupled 5-W silicon power amplifier with 59% PAE at 0.9 GHz

Author

Simbürger, Werner ; Wohlmuth, Hans-Dieter ; Weger, Peter ; Heinz, Alexander

Author_Institution

Circuits Dept., Infineon Technol. AG, Munich, Germany

Volume

34

Issue

12

fYear

1999

fDate

12/1/1999 12:00:00 AM

Firstpage

1881

Lastpage

1892

Abstract

This paper presents the circuit design and application of a monolithically integrated silicon radio-frequency power amplifier for 0.8-1 GHz. The chip is fabricated in a 25-GHz-f_T silicon bipolar production technology (Siemens B6HF). A maximum output power of 5 W and maximum efficiency of 59% is achieved. The chip is operating from 2.5 to 4.5 V. The linear gain is 36 dB. The balanced two-stage circuit design is based fundamentally on three on-chip transformers. The driver stage and the output stage are connected in common-emitter configuration. The input signal can be applied balanced or single-ended if one input terminal is grounded. One transformer at the input acts as balun as well as input matching network. Two transformers acts as interstage matching network

Keywords

MMIC power amplifiers; UHF integrated circuits; UHF power amplifiers; bipolar MMIC; bipolar analogue integrated circuits; elemental semiconductors; equivalent circuits; high-frequency transformers; impedance matching; integrated circuit design; silicon; 0.8 to 1 GHz; 0.9 GHz; 2.5 to 4.5 V; 36 dB; 5 W; 59 percent; Si; Si bipolar production technology; Siemens B6HF; balanced two-stage circuit design; balun; circuit design; common-emitter configuration; driver stage; input matching network; interstage matching network; monolithic transformer coupled power amplifier; onchip transformers; output stage; Circuit synthesis; Coupling circuits; Impedance matching; Integrated circuit technology; Power amplifiers; Power generation; Production; Radio frequency; Radiofrequency amplifiers; Silicon;

fLanguage

English

Journal_Title

Solid-State Circuits, IEEE Journal of

Publisher

ieee

ISSN

0018-9200

Type

jour

DOI

10.1109/4.808913

Filename

808913