product data sheet vs-500a voltage controlled saw oscillator features ?output frequency @ 155 mhz to 1 ghz ?low jitter, 1.5ps rms (typical) for 622.080 mhz, 3ps rms (typical) for 155 mhz ?j-type package - smallest 622.080 mhz package available ?ideal for clock smoothing, frequency translation, clock and data retiming applications ?10k ecl, pecl logic levels with fast transition times ?complementary outputs ?low profile, surface mount package ?output disable feature applications ?oc192/oc48/oc12/oc3 clock smoothing ?sts96/sts48/sts12/sts3/sts1 clock smoothing ?frequency translation description the vs 500a is a saw stabilized, voltage controlled oscillator that operates at the fundamental frequency of the internal saw filter. this filter is a high stability, high-q quartz device that enables the circuit to achieve low phase jitter performance over a wide operating temperature range. the oscillator is housed in a hermetically sealed j-lead surface mount package. it has an output disable to facilitate on- board testing.
vs-500a voltage controlled saw oscillator pin information table 1. pin function performance characteristics vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron 2 pin symbol function 1 v c vcxo control voltage 2 od output disable 3 gnd case and electrical ground 4 output vcxo output 5 coutput vcxo complimentary output 6 v cc power supply voltage (5.0 v ?0%) 1. by setting od low, the outputs are disabled and out is held high while complementary out is held low. the threshold for output disable is 1.4v above vee. output disable should not be driven above mid supply and during normal operation, should be left floating (use with an open col lector or 3-state gate for inter- facing with standard logic). parameter symbol minimum typical maximum units center frequency, see ordering information f n 155 1000 mhz operating temperature t op -40 25 +85 ? supply current i cc 55 70 ma supply voltage v cc 4.5 5 5.5 v absolute pull range (vc= 0.5 to 4.5) apr ?0 - - ppm over temperature/aging/power supply positive gain transfer (freq vs vc) 155.520mhz k v - 350 - ppm/v positive gain transfer (freq vs vc) 622.080mhz k v - 200 - ppm/v linearity lin ? % frequency stability, -40 to 85 wrt 25? f stab ?50 ppm output level low 1 v ol v cc -1.95 - v cc -1.63 v output level high 1 v oh v cc -0.98 - v cc -0.75 v output rise time 2 t r 250 400 ps output fall time 2 t f 250 400 ps jitter @ 622.080 mhz offset from carrier 0.230 ps rms 12 khz to 20 mhz jitter @ 622.080 mhz offset from carrier 0.458 ps rms 50 khz to 80 mhz spurious suppression -50 -60 db data symmetry sym 45 49/51 55 % control voltage input impedance zc 8 10 12 k ? control voltage modulation bandwidth bw - 500 - khz output current iout - - 20 ma table 2. electrical performance @ 25 ? 1. output levels are standard 10k ecl and are fully 100k ecl compatible. 2. transition times are measured from 20% to 80% of a full 10k ecl level swing. offset from carrier 100 hz 1khz 10khz 100khz vs-500a 622.080 -64 -93 -109 -127 table 3. typical single side-band phase noise (dbc/hz)
vs-500a voltage controlled saw oscillator vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron 3
vs-500a voltage controlled saw oscillator vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron absolute maximum ratings stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at the se or any other conditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximu m ratings for extended periods may adversely affect device reliability. parameter symbol ratings unit power supply v cc 0 to +8 v output current 1 iout 20 ma output current 2 iout 50 ma voltage control range 1 v c v ee to v cc v voltage control range 2 v c v ee -0.5 to v cc +0.5 v storage temperature t s -55 to +125 ? soldering temp./time t ls 220/10 ?/s table 4. absolute maximum ratings 1 limts beyond which performance can not be guaranteed. 2 limits beyond which device life may be impaired. parameter conditions mechanical shock mil-std-883, method 2002 mechanical vibration mil-std-883, method 2007 solderability mil-std-883, method 2003 gross and fine leak mil-std-883, method 1014 resistance to solvents mil-std-883, method 2016 qualification conformance the vs-500a family passes the following mil-std qualification. table 5. environmental compliance 4
vs-500a voltage controlled saw oscillator vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron handling precautions although esd protection circuitry has been designed into the the vs-500a, proper precautions should be taken when handling and mounting. vi employs a human body model and a charged-device model (cdm) for esd susceptibility testing and design protection ev al- uation. esd thresholds are dependent on the circuit parameters used to define the model. although no industry wide standard has b een adopted for the cdm, a standard hbm of resistance=1.5kohms and capacitance = 100pf is widely used and therefore can be used for comparison purposes. model minimum human body model 1000v charged device model 1000v table 6. esd ratings 5 minimum model values to be supplied upon completion of qualification program.
vs-500a voltage controlled saw oscillator vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron 6
vs-500a voltage controlled saw oscillator tape dimensions reel dimensions # per reel product a b c d e f g h i j k l vs-500a 24 11.5 1.5 4 12 1.78 21 13 100 5 25 330 200 table 7. tape and reel dimensions (mm) ordering information 155.520 156.250 161.1328 166.6286 311.040 622.080 625.000 644.5313 666.5143 table 8. available frequencies (mhz) figure 8. tape reel drawing vectron international ?166 glover avenue, norwalk, ct 06856 ?tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron
usa: vectron international ?166 glover avenue, norwalk, ct 06856 . . . . tel: 1-88-vectron-1 ?fax: 1-888-fax-vectron europe: in denmark, finland, ireland, israel, norway, spain, uk . . . . . . . tel: 44 (0) 1703 766 288 ?fax: 44 (0) 1703 766 822 in austria, belgium, france, germany, italy, luxembourg netherlands, sweden, switzerland, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: 49 (0) 72 63 6480 ?fax: 49 (0) 72 63 6196 asia: in china, taiwan, japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: 603-598-0070 ?fax: 603-598-0075 in korea, singapore, australia, india . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: 203-853-4433 ?fax: 203-849-1423 vectron international reserves the right to make changes to the product(s) and/or information contained herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such produ ct(s) or information. 2000, vectron international printed in usa 6/00 www.vectron.com visit our website at www.vectron.com one one for additional information please contact: ultra-miniature vcxo tru-050 pll tru-2500 4 pin dip ocxo stratum 2 double oven ocxo s surface mount ocxo s source contact vectron vectron products what s new about vectron what s hot! search jobs @vi vs-500a voltage controlled saw oscillator 8
|
