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File name RGLNA11(2-6 GHz GaAs pHEMT).pdf

RFIC Solutions Inc. Low Noise Amplifier Description . Preliminary Datasheet RGLNA11 Functional Diagram . The RGLNA11 is a broadband high efficiency GaAs Enhancement mode pHEMT Low Noise Amplifier. The device is designed for use in the 802.11a/b/g and WLAN MIMO system. The LNA covers a wide range of frequency from 2 to 6 GHz. The noise figure is 1.7 dB at 2.3 GHz, 1.5 dB at 3.5 GHz and 1.5 dB at 5.5 GHz. Currently the die size is 0.875 mm x 1mm. A single 3.3V and 37 mA current bias the LNA. No input and output matching components are required. Applications. · IEEE 802.11 a/b/g WLAN · Cellular System · WiFi Systems · ISM Band Systems . Key Features. . · Broadband Amplifier · Min. Noise Figure 1.1 dB · High Performance · Only one 40 pF off chip Bypass Capacitor is required Electrical Specifications. . Conditions: Vcc = 3.3 V & TA=25 0C Parameter Frequency Gain @ 2.3 GHz @ 3.5 GHz @ 5.5 GHz Noise Figure @ 2.3 GHz @ 3.5 GHz @ 5.5 GHz Power Output (P1dB) @ 2.0 GHz @ 4.0 GHz March 12, 2007 Min 2 Typical Max 6 Units GHz dB dB dB dB dB dB dBm dBm Page 1 of 3 27 24 20 1.7 1.5 1.5 10 11 www.rficsolutions.com RFIC Solutions Inc. Proprietary Information Data subject to change without Notice RFIC Solutions Inc. Low Noise Amplifier OIP3 @2.0 GHz @4.0 GHz Input Return Loss Output Return Loss Supply Current DC Voltage 20 21 5 10 37 3.3 Preliminary Datasheet RGLNA11 dBm dBm dB dB mA V Die Photograph in open cavity 4x4 QFN Package . Simulated and Measured results. Gain Vs Freq Small Signal Gain S21 in dB 28 25 . Input Return Loss Vs Freq Input Return Loss S11 in dB -4 20 S21 (dB) -6 S11 (dB) 15 -8 10 DB(|S(2,1)|) SIL01D_Simulated DB(|S(2,1)|) SIL01D_Measured -10 DB(|S(1,1)|) SIL01D_Simulated DB(|S(1,1)|) SIL01D_Measured 5 0 2 3 4 Frequency (GHz) 5 6 -12 2 3 4 Frequency (GHz) 5 6 Output Return Loss Vs Freq March 12, 2007 Noise Figure Vs Freq (Simulated) www.rficsolutions.com Page 2 of 3 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice RFIC Solutions Inc. Low Noise Amplifier Output Return Loss S22 in dB -5 Preliminary Datasheet RGLNA11 Noise Figure NF in dB 1.7 1.65 DB(NF()) SIL01D_Simulated -10 S22 (dB) NF (dB) 1.6 1.55 1.5 1.45 1.4 2 3 -15 -20 DB(|S(2,2)|) SIL01D_Simulated DB(|S(2,2)|) SIL01D_Measured -25 2 3 4 Frequency (GHz) 5 6 4 Frequency (GHz) 5 6 Layout ( 0.875 mm x 1.0 mm ). March 12, 2007 www.rficsolutions.com Page 3 of 3 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice