Title :
High power-added efficiency MMIC amplifier for 2.4 GHz wireless communications
Author :
Portilla, Joaquìn ; Garcia, Héctor ; Artal, Eduardo
Author_Institution :
Dept. de Ingenieria de Commun., Cantabria Univ., Santander, Spain
fDate :
1/1/1999 12:00:00 AM
Abstract :
This work describes the design and the measured performance of a high-efficiency monolithic microwave integrated circuit (MMIC) amplifier for wireless communications in the 2.4 GHz band. The monolithic technology employed in the circuit integration is based on standard 0.5-μm-gate-length MESFET. The design procedure is based on load-cycle graphic optimization of the transistor performance. On-wafer experimental characterization shows output power up to 24 dBm and excellent results of power-added efficiency up to 79% with 19.5 dBm output power at low drain bias voltage. The amplifier performance achieved and the circuit size, which is 1 mm2, are suitable for use in the transmitter chains of wireless communication systems in the 2.4 GHz band
Keywords :
MESFET integrated circuits; MMIC amplifiers; UHF amplifiers; UHF integrated circuits; circuit optimisation; field effect MMIC; integrated circuit design; mobile radio; 0.5 micron; 2.4 GHz; 79 percent; MESFET IC; MMIC amplifier; UHF wireless communications; design procedure; high power-added efficiency; load-cycle graphic optimization; monolithic microwave integrated circuit; transmitter chains; High power amplifiers; Integrated circuit measurements; MMICs; Microwave amplifiers; Microwave integrated circuits; Microwave measurements; Monolithic integrated circuits; Power amplifiers; Power generation; Wireless communication;
Journal_Title :
Solid-State Circuits, IEEE Journal of
