vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail: vectron@vectron.com product data sheet not recommended for new designs vco-600a voltage controlled saw oscillator the vco600a voltage controlled saw oscillator features ? output frequency @ 155 mhz to 1 ghz ? low jitter, 3ps rms for 622.080 mhz version and 6ps rms (typical) for 155 mhz version ? 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 ? low-frequency clock through feature ? miniature hermetically sealed ceramic surface- mount package (so-28, approx.0.7in. x 0.3in) applications ? oc192/oc48/oc12 clock smoothing ? frequency translation description the vco600a 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 28-lead surface mount package. it has a unique output disable and clock through feature to facilitate on-board testing.
vco-600a voltage controlled saw oscillator vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail vectron@vectron.com 2 pin information table 1. pin function pin symbol function top view of package 2,12,27 v cc positive supply 4 clkin 1 test clock in 5,6,7,8 nc no connect 10 v ee negative supply 17 v bw 2 modulation bandwidth adjust 19 v c control voltage 21 od 3 output disable 23 clkout ecl output 25 clkout complementary ecloutput 1,3,9,11,13,14,15, 16,18,20,22,24,26,28 gnd case and circuit ground 1. by setting od low, a test signal may be applied at clkin and fed through the vco-600a to both the clkout and clkout to facil itate on board testing. the test signal input applied at clkin may be either an ecl or sinewave input (up to 1vpp, ac coupled). clkin is biase d internally to vbb (vcc-1.3v) 2. an optional capacitor to ground can be placed on vbw to reduce the modulation bandwidth for narrow bandwidth phase-lock loop applications. the modulation bandwidth will be approximately 1/(12000*c)hz, where c is equal to the capacitance in farads. if the optional capaci tor is not utilized, vbw becomes a no connect (nc) and the modulation bandwidth will be approximately equal to the nominal device frequency 1200. 3. by setting od low, the outputs are disabled and clkout is held low while clkout is held high. the threshold for od is 1.4v a bove vee. od should not be driven above mid supply and during normal operation, should be left floating (use with an open collector or 3-sta te gate for interfacing with standard logic). if the od feature is used during normal operation, then clkin should be tied through 10k ? to gnd to avoid any possibility of chatter on the clkout outputs. performance characteristics table 2. electrical performance parameter symbol minimum typical maximum units center frequency, see ordering information f n 155 1000 mhz operating temperature t op -40 25 +85 c supply current i ee 55 70 ma supply voltage 1 v ee -4.5 -5 -5.5 v absolute pull range (vc= -0.5 to -4.5) apr 50 - - ppm positive gain transfer (freq vs vc) 155.520mhz k v 175 350 700 ppm/v positive gain transfer (freq vs vc) 622.080mhz k v 60 135 290 ppm/v linearity lin 3 % frequency stability, -40 to 85 wrt 25 c f stab 150 ppm output level low 2 v ol -1.95 - -1.63 v output level high 2 v oh -0.98 - -0.75 v output rise time 3 t r 100 250 400 ps output fall time 3 t f 100 250 400 ps spurious suppression -50 -60 db data symmetry sym 45 49/51 55 % control voltage input impedance z c 8 10 12 k ? control voltage modulation bandwidth 4 bw - 500 - khz control voltage range v c v ee - v cc v output current i out - - 20 ma storage temperature t s -55 - 125 c soldering temp./time t ls - - 240/10 c/s 1. the vco-600a may be configured for pecl operation. all outputs and inputs including v c are referenced to vcc 2. output levels are standard 10k ecl and are fully 100k ecl compatible. 3. transition times are measured from 20% to 80% of a full 10k ecl level swing. 4. the modulation bandwidth is a function of nominal center frequency and may be adjusted down through the use of an external c apacitor on pin 17. please see figure 1 and figure 2 along with notes 1, 2 and 3. table 3. typical single side-band phase noise (dbc/hz) offset from carrier 100 hz 1 khz 10 khz 100 khz 1 mhz vco600a 622.080 -50 -80 -110 -130 -145
vco-600a voltage controlled saw oscillator vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail vectron@vectron.com 3 figure 1. pecl operation figure 2. ecl operation 1. by setting od low, a test signal may be applied at clkin and fed through the vco-600a to both the clkout and clkout to facil itate on board testing. the test signal input applied at clkin may be either an ecl or sinewave input (up to 1vpp, ac coupled). clkin is biase d internally to vbb (vcc-1.3v) 2. an optional capacitor to ground can be placed on vbw to reduce the modulation bandwidth for narrow bandwidth phase-lock loop applications. the modulation bandwidth will be approximately 1/(12000*c) hz, where c is equal to the capacitance in farads. if the optional capac itor is not utilized, vbw becomes a no connect (nc) and the modulation bandwidth will be approximately equal to the nominal device frequency 1200. 3. by setting od low, the outputs are disabled and clkout is held low while clkout is held high. the threshold for od is 1.4v a bove vee. od should not be driven above mid supply and during normal operation, should be left floating (use with an open collector or 3-sta te gate for interfacing with standard logic). if the od feature is used during normal operation, then clkin should be tied through 10k ? to gnd to avoid any possibility of chatter on the clkout outputs 17 v ee vco-600a out control voltage out output disable test clock in v cc ground -2v, 50ohms -5 v -4.5 to -0.5v 10 19 21 4 2,12,27 1,3,9,11,13,14,15,16,18,20,22,24,26,28 17 v cc vco-600a out control voltage out output disable test clock in v ee ground +3v, 50ohms +5 v 0.5 to 4.5v 2,12,27 19 21 4 10 1,3,9,11,13,14,15,16,18,20,22,24,26,28 23 25 23 25 optional capacitor reduces bandwidth optional capacitor reduces bandwidth
vco-600a voltage controlled saw oscillator vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail vectron@vectron.com 4 figure 3. typical frequency translation diagram figure 4. typical clock smoothing diagram absolute maximum ratings stresses in excess of the absolute maximum ratings can permanently damage the device. functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. exposure to absolute maximum ratings for extended periods may adversely affect device reliability. table 4. absolute maximum ratings parameter symbol ratings unit power supply v ee -8 to 0 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 1 limts beyond which performance can not be guarenteed. 2 limits beyond which device life may be impaired. qualification conformance the vco-600a family has undergone, and passed, the following mil-std qualification. table 5. environmental compliance parameter conditions mechanical shock mil-std-883c 2002.3, test a mechanical vibration mil-std-883c 2007.1, test a solderability mil-std-883c 2003.5, gross and fine leak mil-std-883c, 1014.7, 100% tested resistance to solvents mil-std-883c 2016 handling precautions although esd protection circuitrry has been designed into the the vco-600a, 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 evaluation. esd thresholds are dependent on the circuit parameters used to define the model. although no industry wi de standard has been 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. table 6. esd ratings model minimum human body model 1000 v charged device model 1000 v and freq detector loop filter vco-600a 622.080mhz divide by 12 51.840mhz 622.080mh 155.52mhz and freq detector loop filter vco-600a 155.520mhz 155.52mhz
vco-600a voltage controlled saw oscillator vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail vectron@vectron.com 5 220 45-60s. 60-90s. 60s. 150 183 time(s) figure 5. suggested ir profile figure 6. outline diagram vi
vco-600a voltage controlled saw oscillator vectron international 267 lowell rd, hudson nh 03051-4916 tel:1-88-vectron-1 e-mail vectron@vectron.com 6 j h g f e d c b a l k i bottom holes for tru and vco products only figure 7. tape reel drawing table 7. tape and reel dimensions (mm) tape dimensions reel dimensions # per product a b c d e f g h i j k l reel vco600a 32 14.2 1.5 4 16 1.78 21 13 100 5 33 330 200 ordering information table 8. part number ordering information part number packaging comcode vco600a 155.52mhz tube 107040537 vco600a 155.52mhz tape and reel 407611896 vco600a 278.528mhz tube 107316457 vco600a 278.852mhz tape and reel vco600a 311.040mhz tube 107012551 vco600a 311.040mhz tape and reel vco600a 368.640mhz tube 107237539 vco600a 368.640mhz tape and reel 407875244 vco600a 622.080mhz tube 107012569 vco600a 622.080mhz tape and reel 407961762 vco600a 666.5143mhz tube 330016544 vco600a 666.5143mhz tape and reel 330018383 for additional information, please contact: 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 accom pany the sale of any such product(s) or information. vco600a.doc (revision date: 11/23/04) for additional information, please contact: usa: vectron international, 267 lowell rd, hudson, nh 03051 . . . . tel: 1-88-vectron-1 fax: 1-888-fax-vectron europe: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +49 (0) 3328-4784-17 fax: +49 (0) 3328-4784-30 asia: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . tel: +86-21-28909740 fax: +86-21-28909240
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