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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 - smt 7 7 - 1 HMC838LP6CE v02.1010 functional diagram features ? rf bandwidth: 795 - 945, 1590 - 1890, 3180 - 3780 mhz ? ultra low phase noise -111 dbc/hz in band typ. ? figure of merit (fom) -227 dbc/hz ? < 180 fs rms jitter ? 24-bit step size, resolution 3 hz typ ? exact frequency mode ? built-in digital self test ? 40 lead 6x6 mm smt package: 36 mm 2 typical applications ? cellular/4g infrastructure ? repeaters and femtocells ? communications test equipment ? catv equipment ? phased array applications ? dds replacement ? very high data rate radios 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 - smt 7 7 - 2 general description the HMC838LP6CE is a fully functioned fractional-n phase-locked-loop (pll) frequency synthesizer with an integrated voltage controlled oscillator (vco). the 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 detector (pd), a precision controlled charge pump, a low noise reference path divider and a fractional divider. the fractional synthesizer features an advanced delta-sigma modulator design that allows both ultra-fne step sizes and low spurious products. the phase detector (pd) 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 - rf vcos operating guide . to view the operating guide, please visit www.hittite.com and choose HMC838LP6CE from the search by part number pull down menu. HMC838LP6CE v02.1010 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz parameter condition min. typ. max. units rf output characteristics vco frequency at pll input 1590 1710 1890 mhz rf output frequency at f vco /2 795 855 945 mhz rf output frequency at f vco 1590 1710 1890 mhz rf output frequency at 2f vco 3180 3420 3780 mhz rf output power at f vco /2 7.5 10 12.5 dbm rf output power at f vco 4.5 7.5 11 dbm rf output power at 2f vco -9 -4 1 dbm vco tuning 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 rf output fo/2 harmonic doubler mode -24 dbc rf output 3fo/2 harmonic doubler mode -38 dbc rf output 2nd harmonic fo/2/fo/2fo -25 / -22 / -28 dbc rf output 5fo/2 harmonic doubler mode -50 dbc rf output 3rd harmonic fo/2/fo/2fo -29 / -32 / -50 dbc rf output 7fo/2 harmonic doubler mode -57 dbc rf output 4th harmonic fo/2/fo/2fo -30 / -42 / -57 dbc rf divider characteristics 19-bit n-divider range (integer) max = 2 19 - 1 16 524,287 19-bit n-divider range (fractional) fractional nominal divide ratio varies (-3 / +3) dynamically max 20 524,283 ref input characteristics ref 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 ref input range ac coupled 1 2 3.3 vpp ref input capacitance 5 pf 14-bit r-divider range 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 - smt 7 7 - 3 parameter condition min. typ. max. units phase detector (pd) pd frequency fractional feedback mode [1] 0.1 100 mhz pd frequency fractional feedforward mode (and register 6 [17:16] = 10) 0.1 80 mhz pd frequency integer mode [1] 0.1 125 mhz charge pump output current 0.02 2.54 ma charge pump gain step size 20 a pd/charge pump ssb phase noise input referred, maximum cp current 100 hz -132 dbc/hz 1 khz -142 dbc/hz 10 khz add 1 db for fractional -151 -149 -147 dbc/hz 100 khz add 3 db for fractional -155 -153 -151 dbc/hz logic inputs vih output high voltage dvdd3v-0.4 dvdd3v v vil output low voltage 0 0.4 v logic outputs voh output high voltage dvdd3v-0.4 dvdd3v v vol output low voltage 0 0.4 v power supply voltages analog 3.3v supplies avdd, vcchf, vccps, vccpd, rvdd 3.0 3.3 3.5 v digital supply dvdd3v 3.0 3.3 3.5 v analog 5v supplies vppcp, vddcp, vcc1, vcc2 4.8 5 5.2 v power supply currents +5v analog charge pump vppcp, vddcp 5.3 ma +5v vco, pll buffer and rf buffer vcc1 + vcc2 (fo / 2 / fo / 2fo) 88 / 72 / 71 ma +3.3v analog avdd, vcchf, vccps, vccpd, rvdd 45 ma +3.3v digital dvdd3v 6.5 ma power down - crystal off reg 01h=0, crystal not clocked 10 a power down - crystal on, 100 mhz reg 01h=0, crystal clocked 100 mhz 10 200 a power on reset typical reset voltage on dvdd 700 mv min dvdd voltage for no reset 1.5 v power on reset delay 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 v02.1010 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz electrical specifcations (continued) note 1: this 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 pfd 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 - smt 7 7 - 4 electrical specifcations (continued) HMC838LP6CE v02.1010 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz parameter condition min. typ. 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 pd 1 khz offset -119 dbc/hz integer, 50 mhz pd 10 khz offset -123 dbc/hz integer, 50 mhz pd 100 khz offset -119 dbc/hz fractional, 50 mhz pd 1 khz offset -113 dbc/hz fractional, 50 mhz pd 10 khz offset -115 dbc/hz fractional, 50 mhz pd 100 khz offset -121 dbc/hz closed loop phase noise pll + vco at fvco integer, 50 mhz pd 1 khz offset -114 dbc/hz integer, 50 mhz pd 10 khz offset -118 dbc/hz integer, 50 mhz pd 100 khz offset -113 dbc/hz fractional, 50 mhz pd 1 khz offset -107 dbc/hz fractional, 50 mhz pd 10 khz offset -108 dbc/hz fractional, 50 mhz pd 100 khz offset -115 dbc/hz closed loop phase noise pll + vco at 2fo integer, 50 mhz pd 1 khz offset -108 dbc/hz integer, 50 mhz pd 10 khz offset -112 dbc/hz integer, 50 mhz pd 100 khz offset -107 dbc/hz fractional, 50 mhz pd 1 khz offset -100 dbc/hz fractional, 50 mhz pd 10 khz offset -102 dbc/hz fractional, 50 mhz pd 100 khz offset -109 dbc/hz synthesizer figure of merit normalized 1 hz integer mode measured w/ 50 mhz pd at 30 khz offset -229 dbc/hz fractional mode measured w/ 50 mhz pd 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 - smt 7 7 - 5 HMC838LP6CE v02.1010 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 - smt 7 7 - 6 typical vco sensitivity vs. cap @ fo voltage figure of merit HMC838LP6CE v02.1010 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 - smt 7 7 - 7 HMC838LP6CE v02.1010 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz pin descriptions pin number function description 1 avdd dc power supply for analog circuitry. 2, 5, 6, 8, 9, 11 - 14, 18 - 22, 24, 26, 34, 37, 38 n/c the pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. 3 vppcp power supply for charge pump analog section 4 cp charge pump output 7 vddcp power supply for the charge pump digital section 10 rvdd reference supply 15 xrefp reference oscillator input 16 dvdd3v dc power supply for digital (cmos) circuitry 17 cen chip enable. connect to logic high for normal operation. 23 vtune vco varactor. tuning port input. 25 vcc2 vco analog supply 2 27 vcc1 vco analog supply 1 28 rf_n [1] rf positive output 29 rf_p [1] rf negative output 30 sen pll serial port enable (cmos) logic input 31 sdi pll serial port data (cmos) logic input 32 sck pll serial port clock (cmos) logic input 33 ld_sdo lock detect, or serial data, or general purpose (cmos) logic output (gpo) 35 vcchf dc power supply for analog circuitry 36 vccps dc power supply for analog prescaler 39 vccpd dc power supply for phase detector 40 bias external bypass decoupling for precision bias circuits. note: 1.920v 20mv reference voltage (bias) is generated internally and cannot drive an external load. must be measured with 10g meter such as agilent 34410a, normal 10m dvm will read erroneously. [1] for doubler mode of operation, pin 28 (rf_n) and pin 29 (rf_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 - smt 7 7 - 8 outline drawing part number package body material lead finish msl rating package marking [1] HMC838LP6CE rohs-compliant low stress injection molded plastic 100% matte sn msl1 h838 xxxx [1] 4-digit lot number xxxx package information notes: 1. l eadframe material: copper alloy 2. d imensions are in inches [millimeters]. 3. l ead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested pcb land pattern. absolute maximum ratings avdd, rvdd, dvdd3v, vccpd, vcchf, vccps -0.3v to +3.6v vppcp, vddcp, vcc1 -0.3v to +5.8v vcc2 -0.3v to +5.5v operating temperature -40 c to +85c storage temperature -65 c to 125c maximum junction temperature 125 c thermal resistance (r th ) (junction to ground paddle) 20 c/w refow soldering peak temperature 260c time at peak temperature 40 sec esd sensitivity (hbm) class 1b stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this 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. exposure to absolute maximum rating conditions for extended periods may affect device reliability. HMC838LP6CE v02.1010 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 - smt 7 7 - 9 HMC838LP6CE v02.1010 fractional-n synthesizer with integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz evaluation pcb, fo & fo/2 modes the circuit board used in the application should use rf 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. the evaluation circuit board shown is available from hittite upon request. evaluation pcb schematic to view this evaluation 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 - smt 7 7 - 10 item description j1, j2 pcb mount sma rf connector j3 dual row terminal 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 tantalum capacitor, 0805 pkg r1, r2, r5, r8, r11, r15, r18, r19, r21, r24 0 ohm resistor, 0402 pkg. r3, r4 1 ohm resistor, 0402 pkg. r6, r7 0 ohm resistor, 0805 pkg. r12, r20, r29 51 ohm resistor, 0402 pkg. r22, r25 20 kohm resistor, 0402 pkg. r26 - r28 1k ohm resistor, 0402 pkg. l1 6.8 nh inductor, 0402 pkg. tp3, tp4 test point pc compact smt u1 HMC838LP6CE pll with integrated vco u2 hmc860lp3e low noise quad linear regulator y1 3.3v, 50 mhz vcxo crystal oscillator pcb [2] 125998 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon 25fr and fr4 list of materials for evaluation pcb 129511, fo & fo/2 mode [1] HMC838LP6CE v02.1010 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 - smt 7 7 - 11 HMC838LP6CE v00.0310 fractional-n synthesizer w/ integrated vco 795 - 945, 1590 - 1890, 3180 - 3780 mhz evaluation pcb, 2xfo mode the circuit board used in the application should use rf 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. the evaluation circuit board shown is available from hittite upon request. evaluation pcb schematic to view this evaluation 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 - smt 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 description j1, j2 pcb mount sma rf connector j3 dual row terminal 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 tantalum capacitor, 0805 pkg c46 27 pf capacitor, 0402 pkg. c47 47 pf capacitor, 0402 pkg. r1, r2, r8, r11, r15, r18, r19, r21, r24 0 ohm resistor, 0402 pkg. r3, r4 1 ohm resistor, 0402 pkg. r12, r20, r29 51 ohm resistor, 0402 pkg. r13, r14, r30 220 kohm resistor, 0402 pkg. r22, r25 20 kohm resistor, 0402 pkg. r26 - r28 1 kohm resistor, 0402 pkg. r31 0 ohm resistor, 0201 pkg. r32, r33 0 ohm resistor, 0805 pkg. l1 10 nh inductor, 0402 pkg. l2, l3 47 nh inductor, 0402 pkg. l4 1 nh inductor, 0402 pkg. tp3, tp4 test point pc compact smt u1 HMC838LP6CE pll with integrated vco u2 hmc860lp3e low noise quad linear regulator y1 3.3v, 50 mhz vcxo crystal oscillator pcb [2] 127729 evaluation board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon 25fr and fr4

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