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NJG1104KB2 - 1 - 800mhz band low noise amplifier gaas mmic n general description n package outline NJG1104KB2 is a variable gain low noise amplifier (lna). at 800mhz band, noise figure is 1.2db, variable gain range is 21db and input 3rd order intercept point is +6dbm. these characteristics are very suitable for cdma cellular phone application. the variable attenuators placed in front of lna realize wide range of input power with low distortion. an ultra small and ultra thin flp6-b2 package is adopted. n features l low voltage operation +2.8v typ. l low current consumption 6.0ma typ. l high gain 15db typ. @f=865mhz l low noise figure 1.2db typ. @f=865mhz l variable gain control 21db typ. @f=865mhz,v cont =0.2 to 1.7v l high input ip3 +6dbm typ. @f=865.0+865.1mhz, p in =-30dbm l high output ip3 +21dbm typ. @f=865.0+865.1mhz, p in =-30dbm l ultra small & ultra thin package flp6-b2 (mount size: 2.1x2.0x0.75mm) n pin configuration NJG1104KB2 pin connection 1.source 2.gnd 3.rfout 4.gnd 5.vcont 6.rfin a tt a mp 1 2 3 6 5 4 kb2 type (top view) note: the portion above shows orientation mark printed on the package surface.
NJG1104KB2 - 2 - n absolute maximum ratings ( t a =25 c , z s =z l =50 w ) parameter symbol conditions ratings units drain voltage v dd 6 .0 v gain control voltage v cont 4 .0 v input power p in v dd =2.8v +20 d bm power dissipation p d 45 0 mw operating temperature t opr - 4 0 ~+ 85 c storage temperature t stg - 55~+ 1 25 c n electrical characteristics ( v dd =2.8v, v cont =1.7v, f=865mhz, t a =25 c, z s =z l =50 w ) parameter symbol conditions min typ max units operating frequency freq 830 865 900 m hz drain voltage v dd 2. 7 2.8 5. 5 v gain control voltage v cont 0.2 1.7 3.0 v operating current i dd no rf signal - 6.0 7.5 ma gain control terminal current i cont no rf signal - 1.0 5.0 ua small signal gain gain 1 3.0 1 5.0 17.0 db gain flatness g flat f=830 ~900mhz - 0.5 1.0 db gain control range g cont v cont =0.2v, 1.7v 1 8.5 20.5 22.5 db noise figure nf - 1.20 1.40 db pout at 1db gain compression point p -1db - +8.0 - dbm output 3rd order intercept point oip3 f=865.0+865.1mhz pin=-30dbm +19.0 +21.0 - dbm input 3rd order intercept point 1 iip3-1 f=865.0+865.1mhz pin=-30dbm +4.0 +6.0 - dbm input 3rd order intercept point 2 iip3-2 f=865.0+865.1mhz pin=-10dbm v cont =0.2v +21.0 +26.0 - dbm rf input port vswr vswr i - 1.5 2.0 - rf output port vswr vswr o - 1.5 2.0 -
NJG1104KB2 - 3 - n terminal information pin function description 1 source this terminal is internally connected to fet ? s source of lna. please connect self- bias resistor (r1) and bypass capacitor (c3) through source inductor (l5). nf and iip3 are tunable by c3 and l5. 2 , 4 gnd ground (0v) terminal. ground plane should be placed as close to the ground terminals. . 3 rfout rf output and drain voltage supplies terminal . external matching circuit is required. 5 vcont gain control voltage (v cont ) supplies terminal. 6 rfin rf input terminal. external matching circuit and dc blocking capacitor are required.
NJG1104KB2 - 4 - -100 -80 -60 -40 -20 0 20 -20 -10 0 10 20 30 pout im3 f=864.9mhz im3 f=865.2mhz pout, im3 vs. pin (v dd =2.8v, v cont =0.2v, f=865+865.1mhz) pout,im3 (dbm) pin (dbm) iip3=26.2dbm im3 pout -100 -80 -60 -40 -20 0 20 40 -40 -30 -20 -10 0 10 pout im3 f=864.9mhz im3 f=865.2mhz (v dd =2.8v,v cont =1.7v,i dd =6ma,f=865+865.1mhz) pout, im3 vs. pin pin (dbm) pout,im3 (dbm) iip3=6.6dbm im3 pout n typical characteristics 10 12 14 16 18 20 -10 -8 -6 -4 -2 0 700 750 800 850 900 950 1000 nf,gain vs. frequency (v dd =2.8v,v cont =0.2v,i dd =6ma) nf (db) gain (db) frequency (mhz) nf gain 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 10 11 12 13 14 15 16 17 18 700 750 800 850 900 950 1000 nf,gain vs. frequency (v dd =2.8v,v cont =1.7v,i dd =6ma) nf (db) gain (db) frequency (mhz) nf gain -40 -30 -20 -10 0 10 -30 -20 -10 0 10 -25 -20 -15 -10 -5 0 pout (dbm) pin (dbm) pout,gain vs. pin (v dd =2.8v,v cont =0.2v,f=865mhz) gain (db) gain pout -15 -10 -5 0 5 10 15 -40 -30 -20 -10 0 10 5 10 15 20 pout (dbm) pin (dbm) pout,gain vs. pin (v dd =2.8v,v cont =1.7v,f=865mhz) p-1db=7.7dbm gain (db) gain pout
NJG1104KB2 - 5 - n typical characteristics equations of oip3 and iip3 2 3 im - pout 3 = 3 oip gain - 3 oip = 3 iip vcont=1.7v@ pin=-30dbm vcont=0.2v@ pin=-10dbm 60 80 100 120 140 160 180 200 3 4 5 6 7 8 9 10 11 rbias vs. idd rbias (ohm) idd (ma) (v dd =2.8v, v cont =1.7v) 10 15 20 25 0 5 10 15 4 5 6 7 8 9 10 oip3,iip3 vs. idd oip3 (dbm) iip3 (dbm) idd (ma) (v dd =2.8v,v cont =1.7v,f=865+865.1mhz,pin=-30dbm) iip3 oip3 10 15 20 25 5 10 15 20 0.0 0.5 1.0 1.5 2.0 oip3,iip3 vs. vcont oip3 (dbm) iip3 (dbm) vcont (v) (v dd =2.8v,i dd =6ma,f=865+865.1mhz,pin=-30dbm) iip3 oip3 0 5 10 15 20 25 30 -10 -5 0 5 10 15 20 0.0 0.5 1.0 1.5 2.0 nf,gain vs. vcont (v dd =2.8v, f=865mhz) nf (db) vcont (v) gain (db) nf gain 0.0 0.5 1.0 1.5 2.0 12 13 14 15 16 4 5 6 7 8 9 10 nf,gain vs. idd nf (db) gain (db) idd (ma) (v dd =2.8v,v cont =1.7v,f=865mhz) nf gain
NJG1104KB2 - 6 - n typical characteristics equations of oip3 and iip3 2 3 im - pout 3 = 3 oip gain - 3 oip = 3 iip vcont=1.7v@ pin=-30dbm vcont=0.2v@ pin=-10dbm 6.0 6.2 6.4 6.6 6.8 7.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 idd vs. vdd idd (ma) vdd (v cont =1.7v) 1.0 1.2 1.4 1.6 1.8 2.0 10 12 14 16 18 20 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 nf,gain vs. vdd nf (db) gain (db) vdd (v) (v cont =1.7v,f=865mhz) nf gain 5 6 7 8 9 10 -50 0 50 100 idd vs. ta idd (ma) ta ( o c) (v dd =2.8v,v cont =1.7v) 10 15 20 25 0 5 10 15 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 oip3,iip3 vs. vdd oip3 (dbm) iip3 (dbm) vdd (v) (v cont =1.7v,f=865+865.1mhz,pin=-30dbm) iip3 oip3 18 19 20 21 22 23 5 6 7 8 9 10 820 840 860 880 900 920 oip3,iip3 vs. frequency oip3 (dbm) iip3 (dbm) frequency (mhz) (v dd =2.8v,v cont =1.7v,f1=freq,f2=freq+100khz,pin=-30dbm) iip3 oip3
NJG1104KB2 - 7 - n typical characteristics -10 -5 0 5 10 15 20 -50 0 50 100 gain vs. ta (variable vcont) gain (db) ta ( o c) vcont=1.4v vcont=1.2v vcont=1.1v vcont=1.0v vcont=0.9v vcont=0.8v vcont=0.6v vcont=0.4v vcont=0.2v vcont=1.3v delta gain(max)=1.3db@ta=-40to80 o c,vcont=1.3v vcont=0v (v dd =2.8v,freq=865mhz) 10 12 14 16 18 20 -10 -8 -6 -4 -2 0 -50 0 50 100 nf,gain vs. ta nf (db) gain (db) ta ( o c) gain nf (v dd =2.8v,v cont =0.2v,freq=865mhz) 0 1 2 3 4 5 10 12 14 16 18 20 -50 0 50 100 nf,gain vs. ta nf (db) gain (db) ta ( o c) (v dd =2.8v,v cont =1.7v,freq=865mhz) gain nf 20 22 24 26 28 30 0 2 4 6 8 10 -50 0 50 100 oip3,iip3 vs. ta oip3 (dbm) iip3 (dbm) ta ( o c) (v dd =2.8v,v cont =1.7v,freq=865+865.1mhz,pin=-30dbm) iip3 oip3 16 18 20 22 24 26 18 20 22 24 26 28 -50 0 50 100 oip3,iip3 vs. ta oip3 (dbm) iip3 (dbm) ta ( o c) iip3 oip3 (v dd =2.8v,v cont =0.2v,freq=865+865.1mhz,pin=-10dbm)
NJG1104KB2 - 8 - n typical characteristics -20 -15 -10 -5 0 0 5 10 15 20 s11,s22 (db) s11,s22 vs. frequency (v dd =2.8v,v cont =0.2v,i dd =6ma) frequency (ghz) s11 s22 -20 -15 -10 -5 0 0 5 10 15 20 s11,s22 (db) s11,s22 vs. frequency (v dd =2.8v,v cont =1.7v,i dd =6ma) frequency (ghz) s11 s22 -70 -60 -50 -40 -30 -20 -10 0 0 5 10 15 20 -60 -50 -40 -30 -20 -10 0 10 s21 (db) s21,s12 vs. frequency (v dd =2.8v,v cont =0.2v,i dd =6ma) frequency (ghz) s12 (db) s21 s12 -30 -20 -10 0 10 20 0 5 10 15 20 -30 -20 -10 0 10 20 s21 (db) s21,s12 vs. frequency (v dd =2.8v,v cont =1.7v,i dd =6ma) frequency (ghz) s12 (db) s21 s12 -20 -15 -10 -5 0 -60 -50 -40 -30 -20 -10 0 10 20 0 500 1000 1500 2000 s11,s22,s21 (db) s12 (db) s11,s21,s12,s22 vs. frequency (v dd =2.8v,v cont =0.2v,i dd =6ma) frequency (mhz) s12 s22 s21 s11 -40 -30 -20 -10 0 10 20 -30 -20 -10 0 10 20 30 0 500 1000 1500 2000 s11,s22,s21 (db) s12 (db) s11,s21,s12,s22 vs. frequency (v dd =2.8v,v cont =1.7v,i dd =6ma) frequency (mhz) s21 s12 s11 s22
NJG1104KB2 - 9 - n typical characteristics scattering parameter table at maximum gain v dd =2.8v, v cont =1.7v, i dd =6.1ma, z o =50 w s11 s21 s12 s22 freq (m hz ) mag ( units ) ang (deg) mag (units) ang (deg) mag (units) ang (deg) mag (units) ang (deg) 100 0.990 -3.7 2.893 -162.9 0.011 94.9 0.795 -9.3 200 0.983 -7.0 3.258 171.6 0.008 56.3 0.725 -7.2 300 0.967 -9.9 3.125 154.6 0.011 85.4 0.744 -5.8 400 0.946 -12.5 2.910 141.2 0.014 84.2 0.770 -6.8 500 0.927 -14.8 2.648 130.2 0.020 87.7 0.792 -8.8 600 0.909 -16.8 2.407 120.6 0.025 87.5 0.819 -11.5 700 0.896 -18.5 2.182 112.6 0.029 84.5 0.835 -14.5 800 0.884 -19.9 1.975 105.2 0.034 81.0 0.849 -17.6 900 0.876 -21.3 1.790 98.9 0.039 78.6 0.864 -20.8 1000 0.871 -22.7 1.624 92.9 0.044 77.3 0.874 -24.0 1100 0.867 -24.1 1.480 87.4 0.048 73.1 0.880 -27.2 1200 0.864 -25.3 1.349 82.2 0.054 71.6 0.884 -30.5 1300 0.860 -26.8 1.234 77.4 0.059 68.3 0.891 -33.8 1400 0.861 -28.1 1.129 72.7 0.063 66.2 0.897 -37.1 1500 0.862 -29.7 1.029 68.2 0.068 63.8 0.903 -40.4 1600 0.862 -31.3 0.942 63.8 0.072 61.0 0.907 -43.8 1700 0.863 -33.0 0.860 59.4 0.078 57.7 0.912 -47.4 1800 0.867 -34.7 0.783 55.2 0.083 55.4 0.916 -50.6 1900 0.869 -36.5 0.713 51.1 0.087 52.4 0.920 -54.0 2000 0.874 -38.4 0.650 47.3 0.091 50.5 0.921 -57.6 note v dd (=2.8v) is supplied through ? bias connect (port2) ? of network analyzer. n e t w o r k a n a l y z e r p o r t 1 1 0 0 0 p v c o n t = 1 . 7 v g n d a t t a m p 1 0 0 0 p g n d 5 . 6 n 1 2 0 1 2 3 6 5 4 r f o u t s o u r c e r f i n v c o n t r e f e r e n c e p l a n e n e t w o r k a n a l y z e r p o r t 2 r e f e r e n c e p l a n e
NJG1104KB2 - 10 - n typical characteristics scattering parameter table at minimum gain v dd =2.8v, v cont =0.2v, i dd =6.1ma, zo=50 w s11 s21 s12 s22 freq (m hz ) mag ( units ) ang (deg) mag (units) ang (deg) mag (units) ang (deg) mag (units) ang (deg) 100 0.771 -62.4 2.226 171.8 0.002 -94.5 0.784 -9.3 200 0.573 -99.1 1.803 141.7 0.004 25.2 0.728 -6.5 300 0.480 -121.8 1.405 128.1 0.005 37.2 0.744 -4.9 400 0.430 -138.2 1.151 119.5 0.003 70.3 0.774 -5.6 500 0.405 -150.1 0.975 113.2 0.007 67.3 0.801 -7.5 600 0.391 -159.8 0.849 107.8 0.007 67.3 0.829 -10.2 700 0.381 -167.4 0.749 103.2 0.009 76.9 0.850 -13.2 800 0.373 -174.5 0.666 99.0 0.010 70.2 0.867 -16.4 900 0.369 179.3 0.597 95.3 0.013 75.7 0.884 -19.8 1000 0.366 173.4 0.538 91.7 0.014 73.3 0.897 -23.1 1100 0.365 168.5 0.489 88.4 0.015 74.7 0.905 -26.4 1200 0.365 163.1 0.443 84.9 0.017 73.9 0.910 -29.8 1300 0.367 158.7 0.406 81.9 0.019 70.8 0.918 -33.2 1400 0.369 154.2 0.371 78.8 0.020 68.7 0.923 -36.7 1500 0.372 150.2 0.338 76.0 0.021 65.2 0.930 -40.0 1600 0.374 146.3 0.310 73.1 0.023 63.8 0.932 -43.4 1700 0.378 142.6 0.283 70.6 0.024 64.2 0.938 -47.0 1800 0.384 139.1 0.257 67.8 0.026 63.6 0.942 -50.4 1900 0.388 136.5 0.232 64.7 0.027 60.2 0.944 -53.9 2000 0.388 133.1 0.211 62.7 0.029 59.5 0.947 -57.6 note v dd (=2.8v) is supplied through ? bias connect (port2) ? of network analyzer. n e t w o r k a n a l y z e r p o r t 1 1 0 0 0 p v c o n t = 0 . 2 v g n d a t t a m p 1 0 0 0 p g n d 5 . 6 n 1 2 0 1 2 3 6 5 4 r f o u t s o u r c e r f i n v c o n t r e f e r e n c e p l a n e r e f e r e n c e p l a n e n e t w o r k a n a l y z e r p o r t 2
NJG1104KB2 - 11 - n recommended circuit n recommended pcb design parts list (f=830~900mhz) parts id constant comment l1 22nh taiyo-yuden hk1005 series l2 22nh taiyo-yuden hk1608 series l3 22nh taiyo-yuden hk1005 series l4 15nh taiyo-yuden hk1005 series l5 5.6nh taiyo-yuden hk1005 series c1, c4, c5 1000pf murata grm36 series c2 6pf murata grm36 series c3 100pf murata grm36 series r1 120 w - pcb: fr4 t=0.2mm microstrip line width=0.4mm(zo=50 w ) pcb size: 20.0x20.0mm rf input rf output l1 l2 c1 l5 r1 c3 l3 l4 c5 c4 v cont v dd c2 precautions 1) the inductor of 1608 size is recommended for nf characteristics. 2) the value of c3 is selected to get lower gain and higher output ip3. r f o u t p u t r f i n p u t c 3 v c o n t = 0 . 2 v t o 1 . 7 v g n d v d d = 2 . 8 v a t t a m p c 1 l 2 l 1 l 3 l 4 c 2 c 4 c 5 g n d l 5 r 1 1 2 3 6 5 4 r f o u t s o u r c e r f i n v c o n t
NJG1104KB2 - 12 - n package outline (flp6-b2) lead material : copper lead surface finish : solder plating molding material : epoxy resin unit : mm weight : 6.5mg caution s on using this product this product contains gallium- arsenide (gaas ) which is a harmful material. do not eat or put in to mouth. do not dispose in fire or break up this product. do not chemically make gas or powder with this product . to wast e th is product, please obey the relati ng law of your country. this product may be damaged with electric static discharge (esd) or spike voltage. p lease hand le 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. 2 . 0 0 . 1 6 5 4 1 2 3 0 . 2 0 . 2 2 . 1 0 . 1 1 . 7 0 . 1 0 . 6 5 0 . 6 5 0 . 7 5 0 . 0 5 + 0 . 1 0 . 2 - 0 . 0 5 + 0 . 1 0 . 1 0 . 1 0 . 1 5 - 0 . 0 5

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