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- 1 - ver.2010-05-13 NJG1144KA1 gps low noise amplifier gaas mmic general description package outline the NJG1144KA1 is a low noise amplifier gaas mmic designed for gps, galileo, and glonass. this amplifier achieves high gain and a good balan ce between ultra-low noise figure and excellent vswr, while low current consumption and high ip3, respectively. the NJG1144KA1 operates from +1.5v to +3.6v supply voltage range and current consum es is as low as 3.5ma. an ultra-small and easy mounting package of flp6-a1 is adopted. features wide supply voltage range 1.5v~3.6v low current consumption 3.5ma typ. @ v dd =2.85v 1.8ma typ. @ v dd =1.8v high gain 21.0db typ. @ f=1575mhz, v dd =2.85v low noise figure 0.65db typ. @ f=1575mhz, v dd =2.85v high input ip3 -2.0dbm typ. @ f=1575mhz, v dd =2.85v small package flp6-a1 (package size: 1.6mm x 1.6mm x 0.55mm typ.) lead -free and halogen-free pin configuration note: specifications and descripti on listed in this datasheet are subject to change without notice. 4 5 6 3 2 1 rfin rfout gnd gnd gnd nc(gnd) pin connection 1. rfout 2. gnd 3. gnd 4. rfin 5. gnd 6. nc(gnd) (top view) 1 pin index NJG1144KA1
NJG1144KA1 - 2 - absolute maximum ratings t a =+25c, z s =z l =50 ohm parameters symbol conditions ratings units supply voltage v dd 5.0 v input power p in v dd =2.85v +15 dbm power dissipation p d 4-layer fr4 pcb with through-hole (74.2mmx74.2mm), t j =150c 580 mw operating temperature t opr -40~+85 c storage temperature t stg -55~+150 c electrical characteristics 1 (dc) (general conditions: v dd =2.85v, t a =+25c) parameter symbol conditions min typ max unit supply voltage v dd 1.5 - 3.6 v supply current 1 i dd 1 rf off, v dd =2.85v - 3.5 5.5 ma supply current 2 i dd 2 rf off, v dd =1.8v - 1.8 3.2 ma
NJG1144KA1 - 3 - electrical characteristics 2 (rf) (general conditions: v dd =2.85v, f rf =1.575ghz,t a =+25c, z s =z l =50ohm, with application circuit) parameter symbol conditions min typ max unit operating frequency freq 1.570 1.575 1.580 ghz operating current 1 i dd 1 rf off - 3.5 5.5 ma small signal gain gain 1 18.0 21.0 23.5 db noise figure nf1 exclude pcb, connector losses(0.08db) - 0.65 0.95 db input power at 1db gain compression point 1 p-1db(in)1 -19.0 -16.5 - dbm input 3 rd order intercept point 1 iip3_1 f1=f rf, f2=f1+100khz, pin=-34dbm -5.0 -2.0 - dbm rf input vswr 1 vswr i 1 - 1.5 2.0 rf output vswr 1 vswr o 1 1.5 2.0 electrical characteristics 3 (rf) (general conditions: v dd =1.8v, f rf =1.575ghz,t a =+25c, z s =z l =50ohm, with application circuit) parameter symbol conditions min typ max unit operating frequency freq 1.570 1.575 1.580 ghz operating current 2 i dd 2 rf off - 1.8 3.2 ma small signal gain 2 gain 2 - 18.0 - db noise figure 2 nf 2 exclude pcb, connector losses(0.08db) - 0.85 - db input power at 1db gain compression point 2 p-1db(in) 2 - -18.5 - dbm input 3 rd order intercept point 2 iip3_2 f1=f rf, f2=f1+100khz, pin=-34dbm - -6.0 - dbm rf input vswr 2 vswr i 2 - 1.8 - rf output vswr 2 vswr o 2 - 1.8 -
NJG1144KA1 - 4 - terminal information no. symbol description 1 rfout rf output and voltage supply terminal. 2 gnd ground terminal (0v), connect to the pcb ground plane. 3 gnd ground terminal (0v), connect to the pcb ground plane. 4 rfin rf input terminal. dc blocking capacitor is not required. an external matching circuit is required. 5 gnd ground terminal (0v), connect to the pcb ground plane. 6 nc(gnd) no connected terminal. this terminal is not connected with internal circuit. please connect to the pcb ground plane.
NJG1144KA1 - 5 - electrical characterristics v dd =2.85v (conditions: ta=+25c, v dd =2.85v, zs=zl=50 ohm, with application circuit.) -20 -15 -10 -5 0 5 10 15 -40-30-20-10 0 10 pout (dbm) pin (dbm) p-1db(in)=-16.5dbm pout pout vs. pin (v dd =2.85v, frf=1575mhz) 8 10 12 14 16 18 20 22 24 2 3 4 5 6 7 8 9 10 -40 -30 -20 -10 0 10 gain (db) i dd (ma) pin (dbm) gain i dd gain, i dd vs. pin (v dd =2.85v, frf=1575mhz) p-1db(in)=-16.5dbm -100 -80 -60 -40 -20 0 20 -40 -30 -20 -10 0 10 pout, im3 (dbm) pin (dbm) pout im3 pout, im3 vs. pin (v dd =2.85v, f1=1575mhz, f2=f1+100khz) iip3=-2.0dbm 8 10 12 14 16 18 20 22 24 1550 1560 1570 1580 1590 1600 oip3, iip3 vs. frequency (v dd =2.85v, f1=1550~1600mhz, f2=f1+100khz, pin=-34dbm) -8 -6 -4 -2 0 2 4 6 8 frequency (mhz) oip3 oip3 (dbm) iip3 iip3 (dbm) 0 5 10 15 20 0 5 10 15 20 k factor vs. frequency (v dd =2.85v, f=50mhz~20ghz) frequency (ghz) k factor 0.0 0.5 1.0 1.5 2.0 2.5 3.0 14 16 18 20 22 24 26 1500 1550 1600 1650 noise figure (db) gain (db) nf gain nf, gain vs. frequency (v dd =2.85v, f=1500~1650mhz) (nf: exclude pcb, connector losses) frequency (mhz)
NJG1144KA1 - 6 - electrical characterristics v dd =2.85v (conditions: v dd =2.85v, zs=zl=50 ohm, with application circuit.) -24 -22 -20 -18 -16 -14 -12 -10 -60 -40 -20 0 20 40 60 80 100 p-1db(in) vs. temperature (v dd =2.85v, f=1575mhz) temperature ( o c) p-1db(in) p-1db(in) (dbm) 15 16 17 18 19 20 21 22 23 -60 -40 -20 0 20 40 60 80 100 oip3, iip3 vs. temperature (v dd =2.85v, f1=1575mhz, f2=f1+100khz, pin=-34dbm) -4 -3 -2 -1 0 1 2 3 4 temperature ( o c) oip3 oip3 (dbm) iip3 (dbm) iip3 1 2 3 4 5 6 -60 -40 -20 0 20 40 60 80 100 i dd vs. temperature (v dd =2.85v, rf off) temperature ( o c) i dd i dd (ma) 18 19 20 21 22 23 24 -60 -40 -20 0 20 40 60 80 100 gain, nf vs temperature (v dd =2.85v, f=1575mhz) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 temperature ( o c) gain gain (db) nf noise figure (db) (nf: exclude pcb, connector losses) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -60 -40 -20 0 20 40 60 80 100 vswr vs. temperature (v dd =2.85v, f=1575mhz) vswri vswro temperature ( o c) vswr
NJG1144KA1 - 7 - electrical characterristics v dd =1.8v (conditions: ta=+25c, v dd =1.8v, zs=zl=50 ohm, with application circuit.) -25 -20 -15 -10 -5 0 5 10 -40 -30 -20 -10 0 10 pout (dbm) pin (dbm) p-1db(in)=-17.5dbm pout pout vs. pin (v dd =1.8v, frf=1575mhz) 6 8 10 12 14 16 18 20 22 0 1 2 3 4 5 6 7 8 -40 -30 -20 -10 0 10 gain (db) i dd (ma) pin (dbm) gain i dd gain, i dd vs. pin (v dd =1.8v, frf=1575mhz) p-1db(in)=-17.5dbm -100 -80 -60 -40 -20 0 20 -40 -30 -20 -10 0 10 pout, im3 (dbm) pin (dbm) pout im3 pout, im3 vs. pin (v dd =1.8v, f1=1575mhz, f2=f1+100khz) iip3=-4.8dbm 2 4 6 8 10 12 14 16 18 1550 1560 1570 1580 1590 1600 oip3, iip3 vs. frequency (v dd =1.8v, f1=1550~1600mhz, f2=f1+100khz, pin=-34dbm) -10 -8 -6 -4 -2 0 2 4 6 frequency (mhz) oip3 oip3 (dbm) iip3 iip3 (dbm) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 10 12 14 16 18 20 22 1500 1550 1600 1650 noise figure (db) gain (db) nf gain nf, gain vs. frequency (v dd =1.8v, f=1500~1650mhz) (nf: exclude pcb, connector losses) frequency (mhz)
NJG1144KA1 - 8 - electrical characterristics v dd =1.8v (conditions: v dd =1.8v, zs=zl=50 ohm, with application circuit.) -24 -22 -20 -18 -16 -14 -12 -10 -60 -40 -20 0 20 40 60 80 100 p-1db(in) vs. temperature (v dd =1.8v, f=1575mhz) temperature ( o c) p-1db(in) p-1db(in) (dbm) 9 10 11 12 13 14 15 16 17 -60 -40 -20 0 20 40 60 80 100 oip3, iip3 vs. temperature (v dd =1.8v, f1=1575mhz, f2=f1+100khz, pin=-34dbm) -8 -7 -6 -5 -4 -3 -2 -1 0 temperature ( o c) oip3 oip3 (dbm) iip3 (dbm) iip3 0 1 2 3 4 -60 -40 -20 0 20 40 60 80 100 i dd vs. temperature (v dd =1.8v, rf off) temperature ( o c) i dd i dd (ma) 0 5 10 15 20 0 5 10 15 20 k factor vs. temperature (v dd =1.8v, f=50mhz~20ghz) -40 o c -25 o c -10 o c +25 o c +55 o c +85 o c 0 o c k factor frequency [ghz] 15 16 17 18 19 20 21 -60 -40 -20 0 20 40 60 80 100 gain, nf vs temperature (v dd =1.8v, f=1575mhz) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 temperature ( o c) gain gain (db) nf noise figure (db) (nf: exclude pcb, connector losses) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -60 -40 -20 0 20 40 60 80 100 vswr vs. temperature (v dd =1.8v, f=1575mhz) vswri vswro temperature ( o c) vswr
NJG1144KA1 - 9 - electrical characterristics (conditions: ta=+25c, zs=zl=50 ohm, with application circuit.) 8 10 12 14 16 18 20 22 24 1.0 1.5 2.0 2.5 3.0 3.5 4.0 gain, nf vs. v dd (f=1575mhz) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 v dd (v) gain gain (db) nf noise figure (db) (nf: exclude pcb, connector losses) -21 -20 -19 -18 -17 -16 -15 -14 -13 1.0 1.5 2.0 2.5 3.0 3.5 4.0 p-1db(in) vs. v dd (f=1575mhz) v dd (v) p-1db(in) p-1db(in) (dbm) 4 6 8 10 12 14 16 18 20 22 24 1.0 1.5 2.0 2.5 3.0 3.5 4.0 oip3, iip3 vs. v dd (f1=1575mhz, f2=f1+100khz, pin=-34dbm) -10 -8 -6 -4 -2 0 2 4 6 8 10 v dd (v) oip3 oip3 (dbm) iip3 iip3 (dbm) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 vswr vs. v dd (f=1575mhz) vswri vswro v dd (v) vswr 0 1 2 3 4 5 6 1.0 1.5 2.0 2.5 3.0 3.5 4.0 i dd vs. v dd (rf off) v dd (v) i dd i dd (ma)
NJG1144KA1 - 10 - electrical characterristics v dd =2.85v (conditions: ta=+25c, v dd =2.85v, zs=zl=50 ohm, with application circuit.) s11, s22 zin, zout vswr s21, s12 s11, s22 (~20ghz) s21, s12 (~20ghz)
NJG1144KA1 - 11 - electrical characterristics v dd =1.8v (conditions: ta=+25c, v dd =1.8v, zs=zl=50 ohm, with application circuit.) s11, s22 zin, zout vswr s21, s12 s11, s22 (~20ghz) s21, s12 (~20ghz)
NJG1144KA1 - 12 - application circuit test pcb layout caution: in order not to couple with terminal rfin and rfout, please layout ground pattern under the ic. parts id comments l1 l3 murata lqp03t_02 series c1, c2 murata grm03 series (top view) parts list: rf in rf out v dd l2 l1 l3 c2 c1 1 pin index 4 5 6 3 2 1 rfin rfout gnd gnd gnd nc(gnd) (top view) l1 8.2nh rf in rf out v dd 1 pin index l2 12nh l3 5.1nh c1 1.6pf c2 1000pf pcb (fr-4): t=0.2mm microstrip line width =0.34mm (z 0 =50 ) pcb size=14.0mm x 14.0mm
NJG1144KA1 - 13 - measurement block diagram s parameter measurements iip3 measurements dut network analyzer vdd=2.9v port1 rf output rf input port2 v dd s p aramete r measurement block dia g ram if and im3 measurement block diagram for iip3 freq1 freq2 signal generato r signal generato isolator isolator power. comb. 6db attenuator rf input dut rf output v dd spectrum anal y ze r
NJG1144KA1 - 14 - noise figure measurements measuring instruments nf analyzer : agilent 8973a, 8975a noise source : agilent 346a setting the nf analyzer measurement mode form device under test : amplifier system downconverter : off mode setup form sideband : lsb averages : 16 average mode : point bandwidth : 4mhz loss comp : off tcold : setting the temperature of noise source (303.15k) calibration setup noise source (agilent 346a) nf analyzer (agilent 8973a, 8975a) input (50 ) noise source drive output * noise source and nf analyze r are connected directly. measurement setup noise source (agilent 346a) dut nf analyzer (agilent 8973a, 8975a) input (50 ) noise source drive output in out * noise source and dut, dut and nf analyze r are connected directly.
NJG1144KA1 - 15 - package outline (flp6-a1) unit mm unit mm 1.6 0.05 1.6 0.05 1.2 0.05 0.5 0.5 0.55 0.05 0.1 0.1 0.22 0.05 0.13 0.05 0.2 0.1 0.2 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 p roduct, p lease obe y the relatin g law of y ou r countr y . this product may be damaged with electric st atic discharge (esd) or spike voltage. please h a ndl e w ith ca r e t o avo id th ese d a m ages . [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 ri g hts.

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