RFIC Solutions Inc. Preliminary Datasheet RGPA03 Power Amplifier Description . Functional Diagram . The RGPA03 is a 3.4 to 3.6 GHz high efficiency GaAs Enhancement mode psuedomorphic high electron mobility transistor MMIC Power Amplifier. It has been designed for use in the 3.5 GHz WiMax systems. The part is matched at the input and output so no additional RF matching components are required. The PA exhibits unparalleled linearity and efficiency for this Band. The part is biased by a single +3.3V supply. . Applications. • WiMax Transceivers • Broadband Wireless Application Electrical Specifications. . Key Features. . • High Gain, High Performance • Linear Gain around 25 dB • Output Power in the range of 20 dBm • Small Die Area . Conditions: Vcc = 3.3 V & TA=25 0C Parameter Min Frequency Gain EVM@20 dBm Pout P1dB out Input Return Loss Output Return Loss Supply Voltage Supply Current Power up control voltage Power down control voltage Power detector output voltage (0dBm – 22 dBm) March 12, 2007 Typical 3.4 Max Units 3.6 28 2.4 0 3.6 0.8 GHz dB % dBm dB dB Volt mA V V 0.5 3.9 V 26 3 27 12 12 3.3 280 www.rficsolutions.com RFIC Solutions Inc. Proprietary Information Data subject to change without Notice Page 1 of 3 RFIC Solutions Inc. Preliminary Datasheet RGPA03 Power Amplifier Simulated results. . Gain Vs RF Power & Freq Pout Vs Pin 40 30 30 20 pout dB(S_21) 25 15 20 10 0 10 -10 5 -20 -10 0 10 -30 20 -20 -10 0 Stability Vs RF Power -20 -25 K dB(S_11) -15 -30 -35 -40 -10 -5 0 30 Input Return Loss Vs RF Power -10 -15 20 pin RFpower -20 10 5 10 15 10 9 8 7 6 5 4 3 2 1 0 20 -20 -15 -10 RFpower -5 0 5 10 15 20 RFpower Output Return Loss Vs RF Power 0 dB(S_22) -10 -20 -30 -40 -20 -15 -10 -5 0 5 10 15 20 RFpower March 12, 2007 www.rficsolutions.com RFIC Solutions Inc. Proprietary Information Data subject to change without Notice Page 2 of 3 RFIC Solutions Inc. RGPA03 Output Return Loss Vs Freq Power Amplifier Input Return Loss Vs Freq Layout. March 12, 2007 Preliminary Datasheet . www.rficsolutions.com RFIC Solutions Inc. Proprietary Information Data subject to change without Notice Page 3 of 3