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plls with i ntegrated vco - s m t 1 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z functional d iagram features ? r f bandwidth: 25 - 3000 m h z ? maximum phase d etector r ate 100 m h z ? ultra low phase n oise -110 dbc/ h z in band t yp. ? figure of merit (fom) -227 dbc/ h z ? <180 fs r m s jitter ? 24-bit s tep s ize, r esolution 3 h z typ ? e xact frequency mode ? built in d igital s elf t est ? 40 lead 6x6 mm s m t package: 36 mm 2 t ypical a pplications ? cellular/4 g i nfrastructure ? r epeaters and femtocells ? communications t est e quipment ? c at v e quipment ? phased a rray a pplications ? dds r eplacement ? very h igh d ata r ate r adios ? t unable r eference s ource for s purious- free performance for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 2 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z g eneral d escription t he h mc830lp6 ge is a low noise, wide band, fractional- n phase-locked-loop (pll) that features an integrated voltage controlled oscillator (vco) with a fundamental frequency of 1500 m h z - 3000 m h z, and an integrated vco output d ivider (divide by 1/2/4/6.../60/62), that together allow the h mc830lp6 ge to generate frequencies from 25 m h z to 3000 m h z. t he integrated phase d etector (p d ) and delta-sigma modulator, capable of operating at up to 100 m h z, permit wider loop-bandwidths with excellent spectral performance. t he h mc830lp6 ge features industry leading phase noise and spurious performance, across all frequencies, that enable it to minimize blocker effects, and improve receiver sensitivity and transmitter spectral purity. t he superior noise foor (< -170 dbc/ h z) makes the h mc830lp6 ge an ideal source for a variety of applications - such as; lo for r f mixers, a clock source for high-frequency data-converters, or a tunable reference source for ultra-low spurious applications. a dditional features of the h mc830lp6 ge include r f output power control from 0 to 9 db (3 db steps), output mute function, and a delta-sigma modulator e xact frequency mode which enables users to generate output frequencies with 0 h z frequency error. for theory of operation and register map refer to the plls with i ntegrated vcos - r f vcos operating g uide . to view the operating guide, please visit www.hittite.com and choose hmc830lp6ge from the search by part number pull down menu. parameter condition min. t yp. max. units rf output characteristics output frequency 25 3000 m hz vco frequency at pll i nput 1500 3000 m hz r f output frequency at f vco 1500 3000 m hz output power r f output power at f vco = 2000 m h z a cross a ll frequencies see figure 10 broadband matched i nternally [1] 4.5 6 7. 5 dbm output power control 3 db s teps 7 9 db harmonics fo mode at 2 gh z 2nd / 3rd / 4th -20/-29/-45 dbc fo/2 mode at 2 gh z/2 = 1 gh z 2nd / 3rd / 4th -23/-15/-35 dbc fo/30 mode at 3 gh z/30 = 100 m h z 2nd / 3rd / 4th -25/-10/-33 dbc fo/62 mode at 1550 m h z/62 = 25 m h z 2nd / 3rd / 4th -17/-8/-21 dbc vco output divider vco r f d ivider r ange 1,2,4,6,8,...,62 1 62 pll rf divider characteristics 19-bit n - d ivider r ange ( i nteger) max = 2 19 - 1 16 524,287 19-bit n - d ivider r ange (fractional) fractional nominal divide ratio varies (-3 / +4) dynamically max 20 524,283 ref input characteristics max r ef i nput frequency 350 m hz r ef i nput voltage a c coupled [2] 1 2 3.3 vp-p r ef i nput capacitance 5 pf e lectrical specifcations vpp c p, v ddl s, v cc 1, v cc 2 = 5 v; r v dd , a v dd , d v dd 3v, v cc p d , v cch f, v cc ps = 3.3 v min and max specifed across t emp -40 c to 85 c [1] measured single-ended. a dditional 3 db possible with differential outputs. [2] measured with 100 external termination. s ee h ittite pll w/ i ntegraged vcos operating g uide r eference i nput s tage section for more details. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 3 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z parameter condition min. t yp. max. units 14-bit r - d ivider r ange 1 16,383 phase detector (pd) [3] p d frequency fractional mode b [4] dc 100 m hz p d frequency fractional mode a (and r egister 6 [17:16] = 11) dc 80 m hz p d frequency i nteger mode dc 125 m hz charge pump output current 0.02 2.54 ma charge pump g ain s tep s ize 20 a p d /charge pump ss b phase n oise 50 m h z r ef, i nput r eferred 1 k h z -143 dbc/ hz 10 k h z a dd 1 db for fractional -150 dbc/ hz 100 k h z a dd 3 db for fractional -153 dbc/ hz logic inputs vsw 40 50 60 % dv dd logic outputs vo h output h igh voltage dv dd v vol output low voltage 0 v output i mpedance 100 200 maximum load current 1.5 ma power supply voltages 3.3 v s upplies a v dd , vcc h f, vccp s , vccp d , r v dd , d v dd 3.0 3.3 3.5 v 5 v s upplies vppcp, v dd l s , vcc1, vcc2 4.8 5 5.2 v power supply currents +5v a nalog charge pump vppcp, v dd ls 8 ma +5v vco core and vco buffer fo/1 mode vcc2 105 ma fo/ n mode vcc2 80 ma +5v vco d ivider and r f/pll buffer fo/1 mode vcc1 25 ma fo/ n mode vcc1 80 100 ma +3.3v a v dd , vcc h f, vccp s , vccp d , r v dd , d v dd 3v 52 ma power d own - crystal off r eg 01h=0, crystal n ot clocked 10 a power d own - crystal on, 100 m h z r eg 01h=0, crystal clocked 100 m h z 10 30 ma 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 ghz 10 k h z offset -86 dbc/ hz e lectrical specifcations (continued) [3] s lew rate of greater or equal to 0.5 ns/v is recommended, see pll with i ntegrated r f vcos operating g uide for more details. frequency is guaranteed across process voltage and temperature from -40 c to 85 c. [4] t his maximum phase detector frequency can only be achieved if the minimum n value is respected. eg. i n the case of fractional feedback mode, the maximum pf d rate = fvco/20 or 100 m h z, whichever is less. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 4 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z e lectrical specifcations (continued) parameter condition min. t yp. max. units 100 k h z offset -116 dbc/ hz 1 m h z offset -141 dbc/ hz 10 m h z offset -162 dbc/ hz 100 m h z offset -171 dbc/ hz vco open loop phase noise at fo @ 2 ghz/2 = 1 ghz 10 k h z offset -92 dbc/ hz 100 k h z offset -122 dbc/ hz 1 m h z offset -147 dbc/ hz 10 m h z offset -165 dbc/ hz 100 m h z offset -165 dbc/ hz vco open loop phase noise at fo @3 ghz/30 = 100 mhz 10 k h z offset -112 dbc/ hz 100 k h z offset -142 dbc/ hz 1 m h z offset -165 dbc/ hz 10 m h z offset -168 dbc/ hz 100 m h z offset -171 dbc/ hz figure of merit floor i nteger mode n ormalized to 1 h z -230 dbc/ hz floor fractional mode n ormalized to 1 h z -227 dbc/ hz flicker (both modes) n ormalized to 1 h z -268 dbc/ hz vco characteristics vco t uning s ensitivity at 2800 m h z measured at 2.5 v 13.3 m h z/v vco t uning s ensitivity at 2400 m h z measured at 2.5 v 13.8 m h z/v vco t uning s ensitivity at 2000 m h z measured at 2.5 v 13.6 m h z/v vco t uning s ensitivity at 1600 m h z measured at 2.5 v 12.1 m h z/v vco s upply pushing measured at 2.5 v 2 m h z/v for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 5 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z figure 1. t ypical c losed l oop i nteger phase n oise [loop filter confguration table] figure 5. t ypical v co sensitivity -200 -180 -160 -140 -120 -100 1 10 100 1000 10000 100000 fout 875 mhz, loop bw 74 khz, rms jitter 147 fs fout 875 mhz, loop bw 90 khz, rms jitter 116 fs fout 1600 mhz, loop bw 74 khz, rms jitter 127 fs fout 1600 mhz, loop bw 90 khz, rms jitter 97 fs fout 2500 mhz, loop bw 74 khz, rms jitter 153 fs fout 2500 mhz, loop bw 90 khz, rms jitter 104 fs offset (khz) phase noise (dbc) -180 -160 -140 -120 -100 -80 -60 -40 1 10 100 1000 10000 100000 2817 mhz 2418 mhz 1996 mhz 1575 mhz offset (khz) phase noise (dbc/hz) -180 -170 -160 -150 -140 -130 -120 -110 -100 10 100 1000 10000 27 c -40 c 85 c phase noise (dbc/hz) frequency (mhz) 100 mhz offset 1 mhz offset 100 khz offset figure 2. t ypical c losed l oop fractional phase n oise [loop filter confguration table] figure 3. free r unning phase noise figure 4. free r unning v co phase n oise vs. t emperature 0 1 2 3 4 5 vco frequency tune voltage after calibration (v) 0 15 31 fmin fmax -200 -180 -160 -140 -120 -100 1 10 100 1000 10000 100000 fout 880 mhz, loop bw 74 khz, rms jitter 149 fs fout 880 mhz, loop bw 90 khz, rms jitter 142 fs fout 1605 mhz, loop bw 74 khz, rms jitter 130 fs fout 1605 mhz, loop bw 90 khz, rms jitter 123 fs fout 2505 mhz, loop bw 74 khz, rms jitter 157 fs fout 2505 mhz, loop bw 90 khz, rms jitter 131 fs offset (khz) phase noise (dbc) 0 10 20 30 40 50 60 012345 2817 mhz at 2.5v, tuning cap 15 2418 mhz at 2.5v, tuning cap 15 1996 mhz at 2.5v, tuning cap 15 1575 mhz at 2.5v, tuning cap 15 tuning voltage (v) kvco (mhz/v) figure 6. t ypical t uning voltage a fter c alibration for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 6 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z figure 7. i ntegrated r ms jitter [1] [1] r m s jitter data is measured in fractional mode with 100 k h z loop bandwidth using 50 m h z reference frequency from 1 k h z to 20 m h z integration bandwidth. [2] measured from a 50 source with a 100 external resistor termination. s ee pll with i ntegrated r f vcos operating g uide r eference i nput s tage section for more details. full fom performance up to maximum 3.3 vpp input voltage. 50 100 150 200 250 300 10 100 1000 10000 -40c 27c 85c jitter (fs) output frequency (mhz) -10 -5 0 5 10 10 100 1000 10000 gain setting 11 gain setting 10 gain setting 01 gain setting 00 output power (dbm) output frequency (mhz) -240 -230 -220 -210 -200 10 2 10 3 10 4 10 5 10 6 normalized phase noise (dbc/hz) frequency offset (hz) fom floor fom 1/f noise typ fom vs offset figure 8. figure of merit figure 9. t ypical o utput power figure 10. t ypical o utput power vs. t emperature, maximum gain -30 -25 -20 -15 -10 -5 0 10 100 1000 10000 output frequency (mhz) return loss (db) figure 11. rf output r eturn loss 220 222 224 226 228 230 232 234 -15 -12 -9 -6 -3 0 3 14 mhz square wave 25 mhz square wave 50 mhz square wave 100 mhz square wave fom (dbc/hz) reference power (dbm) figure 12. r eference i nput sensitivity, square w ave, 50 [2] 0 2 4 6 8 10 10 100 1000 10000 27 c -40 c 85 c output power (dbm) output frequency (mhz) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 7 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z figure 14. i nteger boundary spur at 2500.2 m h z [4] -180 -160 -140 -120 -100 -80 -60 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) figure 13. r eference i nput sensitivity sinusoid w ave, 50 [3] 200 205 210 215 220 225 230 235 -20 -15 -10 -5 0 5 14 mhz sin 25 mhz sin 50 mhz sq 100 mhz sq reference power (dbm) fom (dbc/hz) -180 -160 -140 -120 -100 -80 -60 -40 -20 0 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) [3] measured from a 50 source with a 100 external resistor termination. s ee pll with i ntegrated r f vcos operating g uide r eference i nput s tage section for more details. full fom performance up to maximum 3.3 vpp input voltage. [4] fractional mode in mode b, i nteger boundary at 2500 m h z [5] re f in = 100 m h z, p d = 800 k h z, output d ivider 4 s elected, loop filter bandwidth = 16 k h z, channel s pacing 200 k h z [6] e xact frequency mode, re f in = 100 m h z, p d = 50 m h z, output d ivider 1 s elected, loop filter bandwidth = 100 k h z, channel s pacing = 100 k h z [7] e xact frequency mode, channel s pacing = 100 k h z, fractional mode b r f out = 2591 m h z, re f in = 100 m h z, p d frequency = 50 m h z, output d ivider 1 selected, loop filter bandwidth = 120 k h z, [8] fractional mode b r f out = 2591 m h z, re f in = 100 m h z, p d frequency = 50 m h z, output d ivider 1 selected, loop filter bandwidth = 120 k h z. -180 -160 -140 -120 -100 -80 -60 -40 -20 0 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) -180 -160 -140 -120 -100 -80 -60 -40 -20 0 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) figure 15. i nteger- n e xact frequency mode on performance at 704 m h z [5] -180 -160 -140 -120 -100 -80 -60 -40 -20 0 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) figure 16. fractional- n e xact frequency mode on performance at 2113.5 m h z [6] figure 17. fractional- n e xact frequency mode on performance at 2591 m h z [7] figure 18. fractional- n e xact frequency mode o ff performance at 2591 m h z [8] for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 8 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z loop filter bw (k h z) c1 (pf) c2 (nf) c3 (pf) c4 (pf) r 2 (k) r 3 (k) r 4 (k) loop filter d esign 74 150 27 220 220 0.82 1 1 90 270 3.9 56 56 1.2 1 1 l oop filter c onfguration t able figure 19. w orst spur, fixed 50 m h z r eference, o utput freq. = 2000.1 m h z [9] -180 -160 -140 -120 -100 -80 -60 -40 -20 0 0.1 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) figure 20. w orst spur, t unable r eference, o utput frequency = 2000.1 m h z [9] -180 -160 -140 -120 -100 -80 -60 -40 -20 0 0.1 1 10 100 1000 10000 100000 phase noise (dbc/hz) offset (khz) figure 21. w orst spur, fixed vs. t unable r eference [10] -120 -110 -100 -90 -80 -70 -60 -50 2ghz +1khz 2ghz +10khz 2ghz +100khz 2ghz +1000khz 2ghz +10000khz fixed 50 mhz reference tunable reference worst spur (dbc) output frequency [9] capability of h mc830lp6 ge to generate low frequencies (as low as 25 m h z), enables the h mc830lp6 ge to be used as a tunable reference source into another h mc830lp6 ge , which maximizes spur performance of the second h mc830lp6 ge . please see h mc830lp6 ge a pplication i nformation for more information. [10] t he graph is generated by observing, and plotting, the magnitude of only the worst spur (largest magnitude), at any offset, at each output frequency, while using a fxed 50 m h z reference and a tunable reference tuned to 47.5 m h z. s ee h mc830lp6 ge a pplication i nformation for more details. [11] phase noise performance of the h mc830lp6 ge when used as a tunable reference source. h mc830lp6 ge is operating at 3 gh z/30, 3 gh z/54, and 1.55 gh z/62 for the 100 m h z, 55.55 m h z, and 25 m h z curves respectively. 25 m h z output is 50 m h z low pass fltered prior to input to second pll. 100 m h z and 55.55 m h z curves were not fltered. figure 22. l ow frequency performance [11] -170 -160 -150 -140 -130 -120 0.1 1 10 100 1000 10000 100000 carrier frequency = 25 mhz carrier frequency = 55.55 mhz carrier frequency = 100 mhz phase noise (dbc/hz) offset (khz) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 9 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z pin d escriptions pin n umber function d escription 1 av dd d c power s upply 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 s upply for charge pump analog section 4 cp charge pump output 7 v dd l s power s upply for the charge pump digital section 10 rv dd r eference s upply 15 x re fp r eference oscillator i nput 16 dv dd 3v d c power s upply for d igital (cmo s ) circuitry 17 c en chip e nable. connect to logic high for normal operation. 23 v tu ne vco varactor. t uning port i nput. 25 vcc2 vco a nalog s upply 2 27 vcc1 vco a nalog s upply 1 28 r f_ n r f n egative output (on in differential confguration, on in single-ended confguration) 29 r f_p r f positive output (on in differential confguration, off in single-ended confguration) 30 sen pll s erial port e nable (cmo s ) logic i nput 31 sdi pll s erial port d ata (cmo s ) logic i nput 32 s ck pll s erial port clock (cmo s ) logic i nput 33 ld _ sd o lock d etect, or s erial d ata, or g eneral purpose (cmo s ) logic output ( g po) 35 vcc hf d c power s upply for a nalog circuitry 36 vccp s d c power s upply for a nalog prescaler 39 vccp d d c power s upply for phase d etector 40 b ias e xternal bypass decoupling for precision bias circuits. n ote: 1.920v 20mv reference voltage (b ias ) 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. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 10 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z o utline d rawing part n umber package body material lead finish m s l r ating package marking [1] h mc830lp6 ge r o hs -compliant low s tress i njection molded plastic 100% matte s n m s l1 h 830 xxxx [1] 4- d igit lot number xxxx package i nformation n o tes : 1. p a ck age bo d y m ateria l: lo w stress in j ec ti o n mol ded pl asti c si l i c a and si l i co n i mp regnated . 2. l ead and gr ou nd p add l e m ateria l: copp er a lloy. 3. l ead and gr ou nd p add l e pl ating : 100% m atte tin . 4. di m ensi o ns are in in c hes [m i ll i m eters ]. 5. l ead s p a c ing t ol eran c e is n o n -cumul ati v e . 6. p ad bu rr l ength sha ll b e 0.15mm m a x. p ad bu rr height sha ll b e 0.25mm ma x. 7. p a ck age war p sha ll n ot e xc eed 0.05mm. 8. a ll gr ou nd l eads and gr ou nd p add l e mu st b e s ol dered t o pcb r f gr ou nd . 9. re f er to hittite a ppl i c ati o n n o te fo r s u ggested pcb l and p attern . a bsolute maximum r atings a v dd , r v dd , d v dd 3v, vccp d , vcc h f, vccp s -0.3v to +3.6v vppcp, v dd l s , vcc1 -0.3v to +5.5v vcc2 -0.3v to +5.5v operating t emperature -40 c to +85c s torage t emperature -65 c to 150c maximum junction t emperature 125 c t hermal r esistance ( r th ) (junction to ground paddle) 20 c/ w r efow s oldering peak t emperature 260c t ime at peak t emperature 40 sec esd s ensitivity ( h bm) class 1b s tresses 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. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 11 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z e valuation p c b schematic t he circuit board used in the application should use r f circuit design techniques. s ignal 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 h ittite upon request. to view this e valuation pcb s chematic please visit www.hittite.com and choose hmc830lp6ge from the search by part number pull down menu to view the product splash page. e valuation p c b i tem contents part n umber e valuation pcb only h mc830lp6 ge e valuation pcb e v a l01- h mc830lp6 ge e valuation kit h mc830lp6 ge e valuation pcb u s b i nterface board 6 u s b a male to u s b b female cable c d r om (contains user manual, e valuation pcb s chematic, e valuation s oftware, h ittite pll d esign s oftware) e k it 01- h mc830lp6 ge e valuation o rder i nformation for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 with i ntegrated vco - s m t 12 hmc830lp6ge v02.0312 fractional- n p ll with i ntegrated v co 25 - 3000 m h z h m c 830 l p6 ge a pplication i nformation large bandwidth (25 m h z to 3000 m h z), industry leading phase noise and spurious performance, excellent noise foor (<-170 dbc/ h z), coupled with a high level of integration make the h mc830lp6 ge ideal for a variety of applications; as an r f or i f stage lo, a clock source for high-frequency data-converters, or a tunable reference source for extremely low spurious applications (< -100 dbc/ h z spurs). figure 23. hmc830lp6ge in a typical transmit chain figure 24. hmc830lp6ge in a typical receive chain figure 25. hmc830lp6ge used as a tunable reference for second hmc830lp6ge using the h mc830lp6 ge with a tunable reference as shown in figure 25 , it is possible to drastically improve spurious emissions performance across all frequencies. e xample shown in figure 21 graph shows that it is possible to have spurious emissions < -100 dbc/ h z across all frequencies. for more information about spurious emissions, how they are related to the reference frequency, and how to tune the reference frequency for optimal spurious performance please see the s purious performance section of h ittite pll w/ i ntegraged vcos operating g uide . n ote that at very low output frequencies < 100 m h z, harmonics increase due to small internal a c coupling. a pplications which are sensitive to harmonics may require external low pass fltering. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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

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