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  for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 1 HMC838LP6CE v01.0410 functional diagram features ? r f bandwidth: 795 - 945, 1590 - 1890, 3180 - 3780 mhz ? ultra low phase n oise -111 dbc/hz in band t yp. ? figure of merit (fom) -227 dbc/hz ? < 180 fs r ms jitter ? 24-bit step size, r esolution 3 hz typ ? e xact frequency mode ? built-in d igital self t est ? 40 lead 6x6 mm sm t package: 36 mm 2 typical applications ? cellular/4 g infrastructure ? r epeaters and femtocells ? communications t est e quipment ? c at v e quipment ? phased a rray a pplications ? dd s r eplacement ? very high d ata r ate r adios fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 2 general description t he hmc838lp6c e is a fully functioned fractional- n phase-locked-loop (pll) frequency synthesizer with an integrated voltage controlled oscillator (vco). t he synthesizer consists of an integrated low noise vco with a tri- band output, an autocalibration subsystem for low voltage vco tuning, a very low noise digital phase d etector (p d ), a precision controlled charge pump, a low noise reference path divider and a fractional divider. t he fractional synthesizer features an advanced delta-sigma modulator design that allows both ultra-fne step sizes and low spurious products. t he phase detector (p d ) features cycle slip prevention (csp) technology to allow fas- ter frequency hopping times. ultra low in-close phase noise and low spurious also allows wider loop bandwidths for faster frequency hopping and low micro-phonics. for theory of operation and register map refer to the plls w/ integrated vcos - r f vcos operating g uide . to view the operating guide, please visit www.hittite.com and choose HMC838LP6CE from the search by part number pull down menu. HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz parameter condition min. t yp. max. units rf output characteristics vco frequency at pll input 1590 1710 1890 mhz r f output frequency at f vco /2 795 855 945 mhz r f output frequency at f vco 1590 1710 1890 mhz r f output frequency at 2f vco 3180 3420 3780 mhz r f output power at f vco /2 7.5 10 12.5 dbm r f output power at f vco 4.5 7.5 11 dbm r f output power at 2f vco -9 -4 1 dbm vco t uning sensitivity measured at fo, 2v ( n = 0/15/31) 8 11 16 mhz/v vco supply pushing measured at fo, 2v 1.3 mhz/v r f output fo/2 harmonic d oubler mode -24 dbc r f output 3fo/2 harmonic d oubler mode -38 dbc r f output 2nd harmonic fo/2/fo/2fo -25 / -22 / -28 dbc r f output 5fo/2 harmonic d oubler mode -50 dbc r f output 3rd harmonic fo/2/fo/2fo -29 / -32 / -50 dbc r f output 7fo/2 harmonic d oubler mode -57 dbc r f output 4th harmonic fo/2/fo/2fo -30 / -42 / -57 dbc rf divider characteristics 19-bit n - d ivider r ange (integer) max = 2 19 - 1 16 524,287 19-bit n - d ivider r ange (fractional) fractional nominal divide ratio varies (-3 / +3) dynamically max 20 524,283 ref input characteristics r ef input frequency synthesizer phase noise can degrade by about 5db when operating with a reference frequency near the low end of this range. 10 50 200 mhz r ef input r ange a c coupled 1 2 3.3 vpp r ef input capacitance 5 pf 14-bit r - d ivider r ange 1 16,383 electrical specifcations, t a = +25 c, vppcp, vddcp, vcc1, vcc2 = 5v 4%; rvdd, avdd, dvdd3v, vccpd, vcchf, vccps = 3.3v 6% gndcp = gndls = ground paddle = 0v, 50 mhz reference unless otherwise noted
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 3 parameter condition min. t yp. max. units phase detector (pd) p d frequency fractional feedback mode [1] 0.1 100 mhz p d frequency fractional feedforward mode (and r egister 6 [17:16] = 10) 0.1 80 mhz p d frequency integer mode [1] 0.1 125 mhz charge pump output current 0.02 2.54 m a charge pump g ain step size 20 a p d /charge pump ssb phase n oise input r eferred, maximum cp current 100 hz -132 dbc/hz 1 khz -142 dbc/hz 10 khz a dd 1 db for fractional -151 -149 -147 dbc/hz 100 khz a dd 3 db for fractional -155 -153 -151 dbc/hz logic inputs vih output high voltage d v dd 3v-0.4 d v dd 3v v vil output low voltage 0 0.4 v logic outputs voh output high voltage d v dd 3v-0.4 d v dd 3v v vol output low voltage 0 0.4 v power supply voltages a nalog 3.3v supplies a v dd , vcchf, vccps, vccp d , r v dd 3.0 3.3 3.5 v d igital supply d v dd 3v 3.0 3.3 3.5 v a nalog 5v supplies vppcp, v dd cp, vcc1, vcc2 4.8 5 5.2 v power supply currents +5v a nalog charge pump vppcp, v dd cp 5.3 m a +5v vco, pll buffer and r f buffer vcc1 + vcc2 (fo / 2 / fo / 2fo) 88 / 72 / 71 m a +3.3v a nalog a v dd , vcchf, vccps, vccp d , r v dd 45 m a +3.3v d igital d v dd 3v 6.5 m a power d own - crystal off r eg 01h=0, crystal n ot clocked 10 a power d own - crystal on, 100 mhz r eg 01h=0, crystal clocked 100 mhz 10 200 a power on reset t ypical r eset voltage on d v dd 700 mv min d v dd voltage for n o r eset 1.5 v power on r eset d elay 250 s vco open loop phase noise at fo/2 10 khz offset -93 dbc/hz 100 khz offset -123 dbc/hz 1 mhz offset -148 dbc/hz 10 mhz offset -163 dbc/hz 100 mhz offset -166 dbc/hz HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz electrical specifcations (continued) n ote 1: t his maximum phase detector frequency can only be achieved if the minimum n value is respected. eg. in the case of fractional feedback mode, the maximum pf d rate = fvco/20 or 100 mhz, whichever is less.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 4 electrical specifcations (continued) HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz parameter condition min. t yp. max. units vco open loop phase noise at fo 10 khz offset -88 dbc/hz 100 khz offset -118 dbc/hz 1 mhz offset -143 dbc/hz 10 mhz offset -162 dbc/hz 100 mhz offset -168 dbc/hz vco open loop phase noise at 2fo 10 khz offset -81 dbc/hz 100 khz offset -112 dbc/hz 1 mhz offset -135 dbc/hz 10 mhz offset -157 dbc/hz 100 mhz offset -160 dbc/hz closed loop phase noise pll + vco at fvco/2 integer, 50 mhz p d 1 khz offset -119 dbc/hz integer, 50 mhz p d 10 khz offset -123 dbc/hz integer, 50 mhz p d 100 khz offset -119 dbc/hz fractional, 50 mhz p d 1 khz offset -113 dbc/hz fractional, 50 mhz p d 10 khz offset -115 dbc/hz fractional, 50 mhz p d 100 khz offset -121 dbc/hz closed loop phase noise pll + vco at fvco integer, 50 mhz p d 1 khz offset -114 dbc/hz integer, 50 mhz p d 10 khz offset -118 dbc/hz integer, 50 mhz p d 100 khz offset -113 dbc/hz fractional, 50 mhz p d 1 khz offset -107 dbc/hz fractional, 50 mhz p d 10 khz offset -108 dbc/hz fractional, 50 mhz p d 100 khz offset -115 dbc/hz closed loop phase noise pll + vco at 2fo integer, 50 mhz p d 1 khz offset -108 dbc/hz integer, 50 mhz p d 10 khz offset -112 dbc/hz integer, 50 mhz p d 100 khz offset -107 dbc/hz fractional, 50 mhz p d 1 khz offset -100 dbc/hz fractional, 50 mhz p d 10 khz offset -102 dbc/hz fractional, 50 mhz p d 100 khz offset -109 dbc/hz synthesizer figure of merit n ormalized 1 hz integer mode measured w/ 50 mhz p d at 30 khz offset -229 dbc/hz fractional mode measured w/ 50 mhz p d at 30 khz offset -227 dbc/hz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 5 HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz [1] fractional mode, 50 mhz crystal, r =1 typical closed loop fractional phase noise [1] free running phase noise typical tuning curves vs. switch position typical vco tuning voltage after calibration free running vco phase noise over temperature closed loop integer phase noise -170 -150 -130 -110 -90 -70 1000 10 4 10 5 10 6 10 7 10 8 frequency offset(hz) phase noise (dbc/hz) 850 mhz 1700 mhz 3400 mhz -170 -150 -130 -110 -90 -70 1000 10 4 10 5 10 6 10 7 10 8 frequency offset (hz) phase noise (dbc/hz) 835mhz 1671mhz 3377mhz -180 -160 -140 -120 -100 -80 -60 -40 -20 0 10 3 10 4 10 5 10 6 10 7 10 8 offset frequency (hz) phase noise (dbc/hz) 835mhz 3378mhz 1670mhz 900 950 1000 1050 1100 0 1 2 3 4 5 tuning voltage (v) kvco (mhz/v) n0 n2 n4 n6 n8 n10 n12 n14 n16 n18 n20 n22 n24 n26 n31 fmax fmin fmax n30 0 1 2 3 4 5 1500 1600 1700 1800 1900 vco frequency tune voltage after calibration (v) 0 15 31 fmin fmax -170 -160 -150 -140 -130 -120 -110 +27c +85c -40c 1300 1350 1400 1450 1500 1550 1600 1650 1700 phase noise (dbc/hz) frequency (mhz) 1 mhz offset 100 khz offset 10 mhz offset
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 6 typical vco sensitivity vs. cap @ fo voltage figure of merit HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz typical output power - narrow band match typical spurious @ 200 khz from integer boundary 0 10 20 30 40 50 60 0 1 2 3 4 5 tuning voltage (v) kvco (mhz/v) +25c typ operating range tuning cap 0, 1929mhz at 2v tuning cap 15, 1708mhz at 2v tuning cap 31, 1540mhz at 2v -160 -140 -120 -100 -80 -60 -40 -20 0 1000 10 4 10 5 10 6 10 7 10 8 frequency offset (hz) phase noise (dbc/hz) 400khz, -80bc 200khz, -75dbc 1700.200mhz 50mhz pfd fractional mode 200khz offset from integer boundary 40khz loop bandwidth 50mhz, -98dbc -240 -230 -220 -210 -200 100 1000 10 4 10 5 10 6 normalized phase noise (dbc/hz) frequency offset (hz) fom floor fom 1/f noise typ fom vs offset -10 -5 0 5 10 15 20 800 1000 2000 3000 4000 output frequency(mhz) output power (dbm) divide by 2 -40c 27c 85c fundamental doubler
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 7 HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz pin descriptions pin n umber function d escription 1 a v dd d c power supply for analog circuitry. 2, 5, 6, 8, 9, 11 - 14, 18 - 22, 24, 26, 34, 37, 38 n /c t he pins are not connected internally; however, all data shown herein was measured with these pins connected to r f/ d c ground externally. 3 vppcp power supply for charge pump analog section 4 cp charge pump output 7 v dd cp power supply for the charge pump digital section 10 r v dd r eference supply 15 x re fp r eference oscillator input 16 d v dd 3v d c power supply for d igital (cmos) circuitry 17 c en chip e nable. connect to logic high for normal operation. 23 v t u ne vco varactor. t uning port input. 25 vcc2 vco a nalog supply 2 27 vcc1 vco a nalog supply 1 28 r f_ n [1] r f positive output 29 r f_p [1] r f n egative output 30 s en pll serial port e nable (cmos) logic input 31 s d i pll serial port d ata (cmos) logic input 32 sck pll serial port clock (cmos) logic input 33 l d _s d o lock d etect, or serial d ata, or g eneral purpose (cmos) logic output ( g po) 35 vcchf d c power supply for a nalog circuitry 36 vccps d c power supply for a nalog prescaler 39 vccp d d c power supply for phase d etector 40 bi a s e xternal bypass decoupling for precision bias circuits. n ote: 1.920v 20mv reference voltage (bi a s) is generated internally and cannot drive an external load. must be measured with 10 g meter such as a gilent 34410 a , normal 10m d vm will read erroneously. [1] for doubler mode of operation, pin 28 ( r f_ n ) and pin 29 ( r f_p) outputs must be shorted together.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 8 outline drawing part n umber package body material lead finish msl r ating package marking [1] hmc838lp6c e r ohs-compliant low stress injection molded plastic 100% matte sn msl3 h838 xxxx [1] 4- d igit lot number xxxx package information n o te s: 1. l ead f ra m e m ater i a l: copp er a lloy 2. d im en sio n s are i n i n ch e s [millim eter s]. 3. l ead sp a ci ng t ol eran c e is n o n -cumul at iv e 4. p ad bu rr l engt h sh a ll b e 0.15mm m a ximum. p ad bu rr h e i g h t sh a ll b e 0.05mm m a ximum. 5. p a ck age w ar p sh a ll n ot e xc eed 0.05mm. 6. a ll gr ou nd l ead s and gr ou nd p add l e mus t b e sol dered t o pcb r f gr ou nd . 7. re f er t o hi tt i te a pplic at io n n o te fo r su gge s ted pcb l and p attern . absolute maximum ratings a v dd , r v dd , d v dd 3v, vccp d , vcchf, vccps -0.3v to +3.6v vppcp, v dd cp, vcc1 -0.3v to +5.8v vcc2 -0.3v to +5.5v operating t emperature -40 c to +85c storage t emperature -65 c to 125c maximum junction t emperature 125 c t hermal r esistance ( r t h ) (junction to ground paddle) 20 c/w r efow soldering peak t emperature 260c t ime at peak t emperature 40 sec e s d sensitivity (hbm) class 1b stresses above those listed under a bsolute maximum r atings may cause permanent damage to the device. t his is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specifcation is not implied. e xposure to absolute maximum rating conditions for extended periods may affect device reliability. HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 9 HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz evaluation pcb, fo & fo/2 modes t he circuit board used in the application should use r f circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. t he evaluation circuit board shown is available from hittite upon request. evaluation pcb schematic to view this e valuation pcb schematic please visit www.hittite.com and choose HMC838LP6CE from the search by part number pull down menu to view the product splash page.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 10 item d escription j1, j2 pcb mount sm a r f connector j3 d ual r ow t erminal strip j4 - j6 connector header c1, c15 - c17, c25 10 f capacitor, 0805 pkg. c2, c3, c6, c7, c11, c12, c14, c18, c27, c43, c45 0.47 f capacitor, 0402 pkg. c4, c13 22 pf capacitor, 0402 pkg. c5, c33 1000 pf capacitor, 0402 pkg. c8 1.8 pf capacitor, 0402 pkg. c19 - c24, c28, c30, c32, c34 0.1 f capacitor, 0402 pkg. c26 1 f capacitor, 0603 pkg. c29 47 pf capacitor, 0402 pkg. c35 3300 pf capacitor, 0402 pkg. c36 270 pf capacitor, 0402 pkg. c37, c38 68 pf capacitor, 0402 pkg. c39 - c42, c44 4.7 f t antalum capacitor, 0805 pkg r 1, r 2, r 5, r 8, r 11, r 15, r 18, r 19, r 21, r 24 0 ohm r esistor, 0402 pkg. r 3, r 4 1 ohm r esistor, 0402 pkg. r 6, r 7 0 ohm r esistor, 0805 pkg. r 12, r 20, r 29 51 ohm r esistor, 0402 pkg. r 22, r 25 20 kohm r esistor, 0402 pkg. r 26 - r 28 1k ohm r esistor, 0402 pkg. l1 6.8 nh inductor, 0402 pkg. t p3, t p4 t est point pc compact sm t u1 hmc838lp6c e pll with integrated vco u2 hmc860lp3 e low n oise quad linear r egulator y1 3.3v, 50 mhz vcxo crystal oscillator pcb [2] 125998 e valuation board [1] r eference this number when ordering complete evaluation pcb [2] circuit board material: r ogers 4350 or a rlon 25f r and f r 4 list of materials for evaluation pcb 129511, fo & fo/2 mode [1] HMC838LP6CE v01.0410 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 11 HMC838LP6CE v00.0310 fractional-n synthesizer w/ integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz evaluation pcb, 2xfo mode t he circuit board used in the application should use r f circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. t he evaluation circuit board shown is available from hittite upon request. evaluation pcb schematic to view this e valuation pcb schematic please visit www.hittite.com and choose HMC838LP6CE from the search by part number pull down menu to view the product splash page.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com plls w / integrated vco - sm t 7 7 - 12 list of materials for evaluation pcb 129512, 2xfo mode [1] HMC838LP6CE v00.0310 fractional-n synthesizer w/ integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz item d escription j1, j2 pcb mount sm a r f connector j3 d ual r ow t erminal strip j4 - j6 connector header c1, c15 - c17, c25 10 f capacitor, 0805 pkg. c2, c3, c6, c7, c11, c12, c14, c18, c27, c43, c45 0.47 f capacitor, 0402 pkg. c4, c13 22 pf capacitor, 0402 pkg. c5, c33 1000 pf capacitor, 0402 pkg. c8 8.2 pf capacitor, 0402 pkg. c19 - c24, c28, c30, c32, c34 0.1 f capacitor, 0402 pkg. c26 1 f capacitor, 0603 pkg. c29 1 pf capacitor, 0402 pkg. c35 3300 pf capacitor, 0402 pkg. c36 270 pf capacitor, 0402 pkg. c37, c38 68 pf capacitor, 0402 pkg. c39 - c42, c44 4.7 f t antalum capacitor, 0805 pkg c46 27 pf capacitor, 0402 pkg. c47 47 pf capacitor, 0402 pkg. r 1, r 2, r 8, r 11, r 15, r 18, r 19, r 21, r 24 0 ohm r esistor, 0402 pkg. r 3, r 4 1 ohm r esistor, 0402 pkg. r 12, r 20, r 29 51 ohm r esistor, 0402 pkg. r 13, r 14, r 30 220 kohm r esistor, 0402 pkg. r 22, r 25 20 kohm r esistor, 0402 pkg. r 26 - r 28 1 kohm r esistor, 0402 pkg. r 31 0 ohm r esistor, 0201 pkg. r 32, r 33 0 ohm r esistor, 0805 pkg. l1 10 nh inductor, 0402 pkg. l2, l3 47 nh inductor, 0402 pkg. l4 1 nh inductor, 0402 pkg. t p3, t p4 t est point pc compact sm t u1 hmc838lp6c e pll with integrated vco u2 hmc860lp3 e low n oise quad linear r egulator y1 3.3v, 50 mhz vcxo crystal oscillator pcb [2] 127729 e valuation board [1] r eference this number when ordering complete evaluation pcb [2] circuit board material: r ogers 4350 or a rlon 25f r and f r 4


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