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| NJG1509F SPDT SWITCH GaAs MMIC nGENERAL DESCRIPTION NJG1509F is a SPDT switch GaAs MMIC which features low loss, high isolation and low operating voltage, and ideally suitable for the T/R switch of digital wireless phone handsets. This switch is operated in the wide frequency range from 50MHz to 3GHz at low operating voltage from +2.5V with very small MTP6 package. nFEATURES lSingle and low positive control voltage lLow insertion loss lPassing power lHigh Isolation lLow control current lPackage nPIN CONFIGURATION F Type (Top View) 1 6 Pin connection 1.VCTL1 2.PC 3.VCRL2 4.P2 5.GND 6.P1 Orientation Mark nPACKAGE OUTLINE NJG1509F +2.5V~+5.5V 0.5dB typ. @f=2GHz, Pin=22dBm. 27dBm max. @f=2GHz VCTL=3.0V 25dB typ. @f=2GHz, Pin=22dBm 5uA typ. @f=0.05~2.5GHz, Pin=22dBm MTP6 (Mount Size: 2.8x2.9x1.2mm) 2 5 3 4 nTRUTH TABLE "H"=VCTR (H), "L"=VCTR (L) VCTL1 VCTL2 P1-PC P2-PC H L OFF ON L H ON OFF L L Loss =15dB P1 Return Loss =-3dB Loss =15dB P2 Return Loss =-3dB H H Loss =16dB P1 Return Loss =-2dB Loss =16dB P2 Return Loss =-2dB Note) The values of "Loss" and "Return Loss" are typical values. -1- NJG1509F nABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Input Power Control Voltage Power Dissipation Operating Temp. Storage Temp. SYMBOL Pin VCTL PD Topr Tstg RATINGS 31 6 300 -30~+85 -40~+150 UNITS dBm V mW C C nELECTRICAL CHARACTERISTICS (VCTL (L)=0V, VCTL(H)=2.7V, ZS=ZO=50, Ta=25C) PARAMETER Control voltage (L) Control voltage (H) Control current Insertion loss 1 Insertion loss 2 Isolation 1 (PC-P1, PC-P2, P1-P2) SYMBOL VCTL (L) VCTL (H) ICTL LOSS1 LOSS2 ISL1 ISL2 P-1dB1 P-1dB2 VSWR TSW CONDITIONS f=0.05~2.5GHz, Pin=10dBm f=0.05~2.5GHz, Pin=10dBm f=0.05~2.5GHz, Pin=10dBm f=1GHz, Pin=22dBm f=2GHz, Pin=22dBm f=1GHz, Pin=22dBm f=2GHz, Pin=22dBm f=2GHz VCTL (H)=3.0V, f=2GHz f=0.05~2.5GHz, ON State f=0.05~2.5GHz MIN -0.2 2.5 23 20 26 27 - TYP 0 2.7 5.0 0.4 0.5 28 25 28 30 1.3 15 MAX 0.2 5.5 8.0 0.7 0.8 1.6 - UNITS V V uA dB dB dB dB dBm dBm Isolation 2 (PC-P1, PC-P2, P1-P2) Pin at 1dB compression point 1 Pin at 1dB compression point 2 VSWR (PC, P1, P2) Switching time ns -2- NJG1509F nTYPICAL CHARACTERISTICS -3- NJG1509F nTYPICAL CHARACTERISTICS -4- NJG1509F nTYPICAL CHARACTERISTICS -5- NJG1509F nTYPICAL CHARACTERISTICS -6- NJG1509F nTYPICAL CHARACTERISTICS -7- NJG1509F nTYPICAL CHARACTERISTICS -8- NJG1509F nTYPICAL CHARACTERISTICS MARKER 1 2 3 4 5 f (MHz) 50 800 1500 2000 3000 Mag. 0.954 0.755 0.716 0.710 0.693 Ang. ( o) -15.4 -172.5 113.6 72.3 1.4 MARKER f (MHz) 1 2 3 4 50 800 1500 2000 Mag. 0.952 0.767 0.731 0.723 Ang. (o) -15.5 -173.6 111.1 68.7 -9- NJG1509F nTYPICAL CHARACTERISTICS Scattering Parameters: S11 (OFF STATE) (VCTR=0/2.7V, 50System) - 10 - NJG1509F nAPPLICATION CIRCUIT 1: Single control signal operation by using C-MOS inverter. [1]Please connect bypass capacitors to the supply terminal of the C-MOS inverter. [2]In order to stabilize input impedance of inverter, please pull down using 510K resister from the input terminal of the C-MOS inverter to the ground plane. nAPPLICATION CIRCUIT 2: Single control signal operation by using a transistor. - 11 - NJG1509F nTEST CIRCUIT VCTR2 (2.7V/0V) 4 C2 Zo=50 P2 3 C4 Zo=50 5 2 R1 C3 PC Zo=50 P1 C1 6 1 C5 VCTR1 (0V/2.7V) NJG1509F nRECOMMENDED PCB DESIGN (TOP VIEW) PC VCTR2 C3 C4 P2 C2 C1 R1 C5 P1 VCTR1 PCB SIZE=19.4x14.0mm PCB: FR-4, t=0.5mm CAPACITOR: size 1005 STRIP LINE WIDTH=1mm C1~C3: 56pF C4, C5: 10pF R1: 510K Precaution [1]External capacitors should be connected to the input and output RF terminals (P1, P2, PC) to block the DC current. The above example is a circuit at 900MHz. Please select the capacitors value suitable for actual frequency from 10pF to 1000pF. [2]Decoupling capacitors should be connected to the control terminals (VCTR1, VCTR2) as close as possible. The values of these capacitors should be selected from 5pF to 100pF range. Please consider that these values are very effective to switching time (Larger capacitor gives longer switching time). [3]In order to keep good isolation characteristics, the grand terminal (5pin) should be connected to the ground pattern with wide width as close as possible, and though-hole in the ground plane should also be placed as close as possible. - 12 - NJG1509F nPACKAGE OUTLINE (MTP6) Lead material Lead surface finish Molding material UNIT Weight : Copper : Solder plating : Epoxy resin : mm : 14mg Cautions on using this product This product contains Gallium-Arsenide (GaAs) which is a harmful material. * Do NOT eat or put into mouth. * Do NOT dispose in fire or break up this product. * Do NOT chemically make gas or powder with this product. * To waste this product, please obey the relating law of your country. [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle with care to avoid these damages. - 13 - |
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