Rficsolutions Inc. GRDA1 free download

File name GRDA1.pdf

RFIC Solutions Inc. Differential Amplifier Description . Preliminary Datasheet GRDA1 Functional Diagram . The GRDA1 is 10 GHz to 20 GHz differential amplifier designed on 2 um InGaP HBT process. The gain of GRDA1 is 5 dB typically with flatness of ±3dB over the entire bandwidth. Typical current requirement for GRDA1 is 24 mA. The one dB compression point of GRDA1 lies at -5 dBm input power. It can be used as single to differential converter, differential to single converter. Applications. · Single to Differential Converter · Differential to single converter · Active Balun . Key Features. . · Wide band operation · High Isolation · Operating Temperature 0 to 85 0C Range · Small Die Size, Low Cost Electrical Specifications. . Conditions: Vcc = 4.2 V, Ic = 24 mA @ 25 0C Parameter Frequency Range Gain Pout Input Return Loss Output Return Loss P1dB Operating Current Supply voltage Min 10 8 Typical Max 20 2 Units GHz dB dBm dB dB dBm mA V -1 7 7 -5 24 4.2 March 12, 2007 www.rficsolutions.com Page 1 of 2 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice RFIC Solutions Inc. Differential Amplifier Simulated Results. Input Return Loss -5.0 -6 Preliminary Datasheet GRDA1 . Output Return Loss -5.5 -7 dB(S(1,1)) -6.0 dB(S(2,2)) 10 12 14 16 18 20 -8 -6.5 -9 -7.0 -10 10 12 14 16 18 20 freq, GHz freq, GHz Gain 8 -18 -20 Isolation 6 dB(S(3,1)) dB(S(2,1)) dB(S(2,3)) -22 -24 -26 -28 4 2 0 10 12 14 16 18 20 10 12 14 16 18 20 freq, GHz freq, GHz Output Waveform at 10 GHz @Pin -5 dBm 600 400 Output Waveform at 20 GHz @Pin -5 dBm 300 200 ts(Vload2), mV ts(Vload1), mV 0 20 40 60 80 100 120 140 160 180 200 ts(Vload2), mV ts(Vload1), mV 200 0 -200 -400 -600 100 0 -100 -200 -300 0 20 40 60 80 100 time, psec time, psec March 12, 2007 www.rficsolutions.com Page 2 of 2 RFIC Solutions Inc. Proprietary Information Data subject to change without Notice