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| 30 kHz to 18 GHz Power Amplifier Description The IT2005F is a RoHS-6-compliant packaged broadband amplifier designed for medium output power applications where low-frequency capabilities are also required. The IT2005F provides saturated output power of 25 dBm up to 8 GHz and greater than 23 dBm up to 18 GHz with average gain of 15 dB. DC power consumption is as low as 1.76 W. Input/output ports are DC coupled. Frequency range: 30 KHz - 18 GHz 25 dBm nominal Psat (30 KHz - 12 GHz) 23 dBm nominal Psat (12 GHz - 18 GHz) 15 dB nominal gain 1.76 W DC power consumption Nominal DC bias conditions: 8 V at 220 mA "F" type 5x5 mm QFN RoHS-6-compliant package IT2005F Features www..com Absolute Maximum Ratings Symbol VDD Vg1 Idd Ig1 Pin Pdiss_DC Tch Tm Tst Parameters/conditions Positive supply voltage Negative supply voltage Positive supply current Negative supply current RF input power DC power dissipation (no RF) Operating channel temperature Mounting temperature (30 s) Storage temperature Min. -2 Max. 10 0 600 1.8 23 4 150 320 150 Units V V mA mA dBm W C C C -65 Electrical Characteristics Symbol Min. Typ. Max. Min. Typ. 2.0 - 12.0 15.5 1 -10 -12 23 22 -12 -18 25 24 28 -8 -8 21 19 Max. Min. Typ. 12.0 - 18.0 12.0 1 -12 -10 23 21 24 Max. Units GHz dB dB dB dB dBm dBm dBm (at 25 C) 50-ohm system, Vdd= +8 V, Quiescent current (IDQ) = 220 mA Vg2 = +3.4 V Frequency Gain Gain flatness S11 S22 Psat P1dB OIP3 -8 -15 24 23 30KHz - 2.0 16.5 0.5 -12 -20 26 25 For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 1 30 kHz to 18 GHz Power Amplifier Thermal Characteristics Symbol Parameters/conditions Thermal resistance junction: Ground paddle. No RF: DC bias Vdd = 8 VDC, IDD = 220 mA, PDC = 1.76 W, Tbase = 70o C Thermal resistance junction: Ground paddle. RF applied: Saturated power 500 mW, Vdd = 8 VDC, Pdiss = 2.15 W, Tbase = 70o C Rth_jb (oC/W) Tch (o C) MTTF (h) IT2005F Rth_jb 18.5 99.0 >>+1E7 Rth_jb www..com 18.5 113.0 >>+1E7 Device Diagram 1 F Drain termination 3 560 pF RF In 5 IT2005F 11 10 12 RF Out and Vdd thru bias tee Vg1 Vg2 1 F 560 pF 560 pF 1 F For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 2 30 kHz to 18 GHz Power Amplifier Performance Data At 25o C P1dB, Vdd=8V, Idd=220mA 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IT2005F Psat, Vdd=8V, Idd=220mA P1dB(dBm) www..com Freq. (GHz) Psat (dBm) Freq. (GHz) 30.0 25.0 20.0 15.0 IT2005F Gain Vdd=8V, Idd=220 mA S21 (dB) 5.0 0.0 -5.0 -10.0 -15.0 -20.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S11 (dB) 10.0 0.0 -2.0 -4.0 -6.0 -8.0 -10.0 -12.0 -14.0 -16.0 -18.0 -20.0 -22.0 -24.0 -26.0 -28.0 -30.0 0 1 2 3 4 5 IT2005F Input Return Loss Vdd=8V, Idd=220mA 6 7 8 9 10 11 12 13 14 15 16 17 18 Freq. (GHz) Freq. (GHz) 0.0 -2.0 -4.0 -6.0 -8.0 -10.0 -12.0 -14.0 -16.0 -18.0 -20.0 -22.0 -24.0 -26.0 -28.0 -30.0 0 1 2 3 4 IT2005F Output Return Loss, Vdd=8V, Idd=220mA -20.0 -25.0 -30.0 S12 (dB) -35.0 -40.0 -45.0 -50.0 -55.0 -60.0 IT2005F Isolation, Vdd=8V, Idd=220mA S22 (dB) 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Freq. (GHz) Freq. (GHz) For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 3 30 kHz to 18 GHz Power Amplifier "F" Package Drawing, Pinouts, and Marking Notes: Dimensions in inches (mm) Tolerances are 0.0039 in. (0.100 mm) www..com Package drawing encompasses JEDEC MO-220 Version VHHC-2 See iTerra Application Note 10 for recommended pad layout. RoHS parts are backward compatible if application note pad layout is followed. Lead frame material is copper alloy Mold compound is UL94V0 compliant Lead finish is NiPdAu Marking Information iTerra MMMMFA XXNNNN LLYYWW Where MMMM = part number F = Package Type A = Temp. Range XX = Wafer Lot NNNN=Ser. No. LLYYWW = MFG D/C IT2005F Pinouts P1: N/C P11: Vg2 P2: N/C P12: RF Out & Vdd P3: Drain Term. P13: N/C P4: N/C P14: N/C P5: RF IN P15: N/C P6: N/C P16: N/C P7: N/C P17: N/C P8: N/C P18: N/C P9: N/C P19: N/C P10: Vg1 P20: N/C For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 4 30 kHz to 18 GHz Power Amplifier Evaluation Board IT2005F www..com List of materials J1, J2 SMA connectors C2,C3,C6 560 pF capacitor 0402 Pkg. C1,C4,C5 1 F capacitor 0603 Pkg. For the RF input/output pads, it is very important to maintain a 50-ohm impedance to guarantee good matching with the package transition and achieve good overall signal integrity. For the C2, C3, and C6 capacitances, the PCB pads must be as close as possible to the package in order to minimize parasitics. The PCB layout shown in the figure minimizes parasitics and allows for package placement by automated assembly equipment. The evaluation board shown is available upon request. For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 5 30 kHz to 18 GHz Power Amplifier Recommended Procedure for Biasing and Operation CAUTION: LOSS OF GATE VOLTAGE (VGG1) WHILE CORRESPONDING DRAIN VOLTAGE (VDD) IS PRESENT CAN DAMAGE THE AMPLIFIER. IT2005F The following procedure must be employed to properly test the amplifier. The IT2005F amplifier is biased with a positive drain supply (VDD) and one negative gate supply (VGG1). The positive power supply is applied through an external bias tee to the RF output. The recommended bias conditions for the IT2005F is VDD = 8.0 V, IDD = 220 mA. To achieve this drain current level, VGG1 is typically biased between -0.5 V and -0.9 V. The gate voltage (VGG1) MUST be applied prior to the drain voltage (VDD) during power up and removed after the drain voltage is removed during the power down. For the second gate VGG2 a voltage in the range of 3.4 V is required (VDD = 8 V, VGG1 = -0.6 V). In general VGG2 = VDD/2 - |VG1|. For example, when VDD = 8 V and VGG1 = -0.6, the recommended voltage operation is: VGG2 = (8 V/2)-0.6 V = 3.4 V. Bias VDD should be applied before or at the same time of VGG2. www..com For pricing, delivery, and ordering information, please contact GigOptix at (650) 424-1937, e-mail: sales@gigoptix.com, or visit our site at www.GigOptix.com. 6 |
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