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| NJG1557KB2 800MHz BAND MIXER GaAs MMIC nGENERAL DESCRIPTION NJG1557KB2 is a GaAs MMIC MIXER IC with built-in local amplifier for 800MHz cellular phone handsets. This mixer features very high input IP3, high conversion gain and low noise figure, and suitable for the application which needs high input IP3 such as CDMA. An ultra small & ultra thin FLP6-B2 package is adopted. nFEATURES lLow voltage operation lLow current consumption lHigh input IP3 lHigh conversion gain lLow noise figure lUltra small & ultra thin package nPACKAGE OUTLINE NJG1557KB2 +2.8V typ. 8.7mA typ. +8dBm typ. @fRF=850.0+850.1MHz, PRF=-25dBm fLO=740MHz, PLO=-10dBm 9.5dB typ. @fRF=850MHz, PRF=-25dBm fLO=740MHz, PLO=-10dBm, fIF=110MHz 5.5dB typ. @fRF=850MHz fLO=740MHz, PLO=-10dBm, fIF=110MHz FLP6-B2 (Mount Size: 2.1x2.0x0.75mm) nPIN CONFIGURATION KB2 Type (Top View) 1 6 2 5 3 4 Pin Connection 1. LOIN 2. GND 3. RFIN 4. IFOUT 5. SOURCE 6. VLO NOTE: The portion above shows orientation mark printed on the package surface. NOTE: Please note that any information on this catalog will be subject to change. -1- NJG1557KB2 nABSOLUTE MAXIMUM RATINGS PARAMETER Mixer Supply Voltage Local Amp. Supply Voltage Mixer RF Input Power Mixer LO Input Power Power Dissipation Operating Temperature Storage Temperature SYMBOL VMIX VLO PRFIN PLOIN PD Topr Tstg CONDITIONS (Ta=+25C, Zs=Zl=50) RATINGS UNITS 6.0 V 6.0 V +10 dBm +10 dBm 450 -40~+85 -55~+125 mW C C VMIX=VLO=2.8V VMIX=VLO=2.8V nRECOMMENDED OPERATING RANGE PARAMETER Supply Voltage Mixer Supply Voltage Local Amp. SYMBOL VMIX VLO CONDITIONS MIN 2.7 2.7 TYP 2.8 2.8 MAX 5.5 5.5 UNITS V V nELECTRICAL CHARACTERISTICS [DC CHARACTERISTICS] PARAMETER Total Operating Current Mixer Current Local Amp. Current SYMBOL ITOTAL IMIX ILO CONDITIONS IMIX+ILO PRF=OFF, PLO=OFF PRF=OFF, PLO=OFF MIN TYP 8.7 7.5 1.2 MAX 10.6 9.3 1.6 UNITS mA mA mA nELECTRICAL CHARACTERISTICS [AC CHARACTERISTICS] (VMIX=VLO=2.8V, fRF=850MHz, fLO=740MHz, fIF=110MHz, PRF=-25dBm, PLO=-10dBm, Ta=+25C, Zs=ZI=50, Measuring Test Circuit) PARAMETER Operating RF Frequency Conversion Gain Input 3rd Order Intercept Point Noise Figure LO to RF Isolation SYMBOL fRF Gc IIP3 NF ISL fRF=850.0+850.1MHz SSB PRF=OFF CONDITIONS MIN 830 8.5 +6.0 2.0 TYP 850 9.5 +8.0 5.5 7.0 MAX 900 6.5 UNITS MHz dB dBm dB dB -2- NJG1557KB2 nTERMINAL EXPLANATION PIN No. 1 2 3 SYMBOL LOIN GND RFIN DESCRIPTIONS Local power input terminal of local amplifier. External matching circuit is required. Ground terminal (0V). Please place grounding VIAs as close as possible. RF signal input terminal of mixer. External matching circuit is required. IF signal output terminal of mixer. External matching circuit is required. Please connect mixer power supply through inductor (L7,L8) as shown in test circuit. Please place bypass capacitor (C5) close to C4 Source terminal of mixer FET. Please connect source inductor (L6), bias resistor (R2) and bypass capacitor (C3) as shown in test circuit. These parts should be placed close to this terminal. Local amplifier power supply terminal. Please place R1 and L5 close to this terminal as shown in test circuit, and place bypass capacitors (C1,C2) close to L5. 4 IFOUT 5 SOURCE 6 VLO -3- NJG1557KB2 nTYPICAL CHARACTERISTICS (f RF=830~870MHz, fIF=110MHz, Lower LOCAL) Conversion Gain,NF vs. RF frequency V 11 MIX OIP3,IIP3 vs. RF frequency V IF MIX =V =2.8V,Lower LOCAL,f =110MHz, LO IF =V =2.8V,Lower LOCAL, LO RF LO P =-25dBm,P =-10dBm RF LO f =110MHz,P =-25dBm,P =-10dBm 10 20 OIP3 10 9 18 16 8 Conversion Gain(dB) 9 OIP3,IIP3(dBm) Conversion Gain 14 12 10 8 7 7 6 NF(dB) IIP3 8 6 6 NF 5 5 830 835 840 845 850 855 860 865 4 870 4 830 835 840 845 850 855 860 865 870 RF frequency(MHz) RF frequency(MHz) Conversion Gain,NF vs. LO Power V 11 MIX OIP3,IIP3 vs. LO Power V MIX =V =2.8V,f =850MHz,f =740MHz, LO RF LO =V =2.8V,f =850.0+850.1MHz, LO RF IF RF f =110MHz,P =-25dBm IF RF f =740MHz,f =110MHz,P =-25dBm LO 13 20 18 16 Conversion Gain 10 12 11 10 9 8 7 OIP3 Conversion Gain(dB) 9 8 7 6 5 4 3 2 -40 OIP3,IIP3(dBm) 14 12 10 8 6 4 2 0 -40 NF(dB) IIP3 NF 6 5 4 -35 -30 -25 -20 -15 -10 -5 0 5 -35 -30 -25 -20 -15 -10 -5 0 5 LO Power(dBm) LO Power(dBm) IF,IM3 vs. RF Power V 20 10 0 -10 OIP3=+17.8dBm IIP3=+8.0dBm MIX =V =2.8V,f =850.0+850.1MHz, LO RF IF LO Isolation vs. LO frequency V 45 40 35 MIX f =740MHz,f =110MHz,P =-10dBm LO =V =2.8V,P =-10dBm LO LO LO to IF Isolation Isolation(dB) IM3 IF,IM3(dBm) -20 -30 -40 -50 -60 -70 -80 -90 -40 -35 -30 -25 30 25 20 15 10 5 0 720 IF LO to RF Isolation 725 730 735 740 745 750 755 760 -20 -15 -10 -5 0 5 10 RF Power(dBm) LO frequency(MHz) -4- NJG1557KB2 nTYPICAL CHARACTERISTICS (f RF=830~870MHz, fIF=110MHz, Lower LOCAL) RFIN port Impedance LOIN port Impedance IFOUT port Impedance -5- NJG1557KB2 nTYPICAL CHARACTERISTICS (f RF=830~870MHz, fIF=110MHz, Lower LOCAL) Conversion Gain vs. RF frequnecy V 12 11 7 MIX NF vs. RF frequnecy V 8 MIX =V =2.8V,Lower LOCAL,f =110MHz, LO IF =V =2.8V,Lower LOCAL, LO LO P =-25dBm,P =-10dBm RF LO f =110MHz,P =-10dBm IF Conversion Gain(dB) 10 9 6 NF(dB) -40 C -20 C 0C 835 840 845 850 855 860 o o o 8 7 6 5 4 3 2 830 +25 C +55 C +85 C 865 870 o o o 5 4 3 -40 C 2 1 830 -20 C 0C 835 840 845 850 855 860 o o o +25 C +55 C +85 C 865 870 o o o RF frequency(MHz) RF frequency(MHz) OIP3 vs. RF frequnecy V 20 19 18 17 MIX IIP3 vs. RF frequnecy V 10 9 8 7 MIX =V =2.8V,Lower LOCAL,f =110MHz, LO IF =V =2.8V,Lower LOCAL,f =110MHz, LO IF P =-25dBm,P =-10dBm RF LO P =-25dBm,P =-10dBm RF LO OIP3(dBm) 16 15 14 13 12 11 10 830 835 840 845 850 -40 C -20 C 0C 855 860 o o o o o o IIP3(dBm) 6 5 4 3 o o o o o +25 C +55 C +85 C 865 870 2 1 0 830 835 840 845 850 -40 C -20 C 0C 855 860 o +25 C +55 C +85 C 865 870 RF frequency(MHz) RF frequency(MHz) Equations of OIP3 and IIP3 OIP3=(3xIF-IM3)/2 IIP3=OIP3-Gc (1) (2) IF: IF Power (dBm) IM3: IM3 Power (dBm) Gc: Conversion Gain (dB) @PRF=-25dBm Q The values of OIP3 and IIP3 shown in typical characteristics are calculated from equation (1), (2) -6- NJG1557KB2 nTEST CIRCUIT L4 R1 L3 L5 LOIN Zo=50 Zo=50 RFIN L1 1 2 Local Amp 6 L6 VLO R2 C3 C1 C2 5 4 Mixer L2 3 L7 C4 L8 C6 IFOUT Zo=50 VMIX C5 nRECOMMENNDED PCB DESIGN IFOUT C6 L8 C2 C3 R2 L7 L6 L5 R1 C4 L2 L1 C5 VLO C1 VMIX L4 PCB: FR4 t=0.2mm Microstrip Line Width=0.4mm(Zo=50) PCB Size: 16.7x19.1mm PRECAUTIONS [1] Please place R1 and L5 close to VLO terminal (6th pin). [2] Please place C1, C2 close to L5. [3] Please place C5 close to C4. RFIN LOIN L3 -7- NJG1557KB2 TABLE CHIP PARTS LIST Lower LOCAL fRF=850MHz fLO=740MHz fIF=110MHz 5.6nH 12nH 39nH 22nH 33nH 1.0nH 120nH 56nH 100pF 1000pF 47pF 11pF 1000pF 1000pF 27 82 Parts ID REMARKS L1 L2 L3 L4 L5 L6 L7 L8 C1 C2 C3 C4 C5 C6 R1 R2 TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1005) TAIYO-YUDEN (HK1608) TAIYO-YUDEN (HK1005) MURATA (GRM36) MURATA (GRM36) MURATA (GRM36) MURATA (GRM36) MURATA (GRM36) MURATA (GRM36) 1005 Size 1005 Size -8- NJG1557KB2 nMEASURING BLOCK DIAGRAM SG (RF1) ISO.1 6dB ATT Power Comb. VMIX=VLO=2.8V DUT Spectrum RFIN SG (RF2) IFOUT Analyzer LOIN ISO.2 SG (LO) IF,IM3 Measuring Block Diagram VMIX=VLO=2.8V BPF 6dB ATT Noise Source DUT IFOUT LOIN NF Meter RFIN BPF SG (LO) Noise Figure Measuring Block Diagram VMIX=VLO=2.8V RFIN or IFOUT IFOUT or RFIN Spectrum Analyzer 50 DUT LOIN SG (LO) Isolation Measuring Block Diagram -9- NJG1557KB2 nPACKAGE OUTLINE (FLP6-B2) 2.00.1 6 5 4 0.2 0.750.05 +0.1 0.15 -0.05 1.70.1 1 0.65 2 0.65 3 0.2 2.10.1 0.1 Lead material Lead surface finish Molding material Unit Weight : Copper : Solder plating : Epoxy resin : mm : 6.5mg +0.1 0.2 -0.05 0.1 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. This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle with care to avoid these damages. [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. - 10 - |
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