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File name RGPA04(4.9-5.9 GHz GaAs pHEMT).pdf

RFIC Solutions Inc. Power Amplifier Description . Preliminary Datasheet RGPA04 Functional Diagram . The RGPA04 is a 4.9 to 5.9 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC power amplifier. The device is designed for 802.11a WLAN system. The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency of 37 % for 802.11a WLAN systems. The part is biased by a single +3.3 V supply. Applications. · IEEE 802.11 a WLAN · WiFi Systems · ISM Band Systems . Key Features. . · High Performance · Linear Gain around 28 dB · PAE 37% · Power Output at P1 dB compression is 26 dB Electrical Specifications. . Conditions: Vcc = 3.3 V & TA=25 0C Parameter Frequency Range Gain Input Return Loss Output Return Loss Power Output P1dB EVM @ 20dBm Pout Efficiency Supply Current Power up control voltage Power down control voltage Power Detector output voltage ( 0dBm ­ 22dBm) DC Voltage Min 4.9 23 Typical 25 10 10 26 3.2 37% 300 Max 5.9 Units GHz dB dB dB dBm % % mA V V V V 2.4 0 0 3.3 3.6 0.8 3.9 March 12, 2007 www.rficsolutions.com Page 1 of 3 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice RFIC Solutions Inc. Power Amplifier Simulated results. . Preliminary Datasheet RGPA04 Small signal gain Vs Freq 28 26 24 22 Pout Vs Pin 40 20 d (S ,1 B (2 )) 20 18 16 14 12 10 Pout 0 -20 -40 -60 -40 -20 0 20 40 4 0 .9 G 5 0 .0 G 5 0 .1 G 5 0 .2 G 5 0 .3 G 5 0 .4 G RFfreq 5 0 .5 G 5 0 .6 G 5 0 .7 G 5 0 .8 G 5 0 .9 G pin Input Return Loss Vs Power Output Return Loss Vs Power March 12, 2007 www.rficsolutions.com Page 2 of 3 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice RFIC Solutions Inc. Power Amplifier Layout . Preliminary Datasheet RGPA04 March 12, 2007 www.rficsolutions.com Page 3 of 3 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice