32 vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com voltage controlled saw oscillators (vcso s) vs-500 series description: the vs-500 is a saw based voltage controlled oscillator that operates at the fundamental frequen- cy of the internal saw filter. this product is ideally suited for sonet/sdh/10g ethernet and other opti- cal applications. features ?output frequency 155 mhz to 800 mhz ?3.3v or 5.0v operation ?low jitter, <1 ps rms across 50 khz to 80 mhz ?j-lead package ?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 performance characteristics parameter symbol minimum typical maximum units center frequency (see ordering information) f n 155.52 800 mhz operating temperature t op -40 25 +85 ? supply current (no load) i cc 55 70 ma supply voltage v cc 2.97 3.3 3.63 v absolute pull range (-40 to 85 deg c, vc = 0.3 to 3.0 v) apr 50 - - ppm positive gain transfer @ 155.52 (3.3v) k v 650 ppm/v positive gain transfer @ 622.08 (3.3v) k v 430 ppm/v linearity1 lin 3 % frequency stability (-40 to 85 deg c) f stab 150 ppm mid level voltage vcc-1.5 vcc-1.3 vcc-1.1 v output voltage swing (peak to peak) 500 650 800 mv output rise time3 t r 250 400 ps output fall time3 t f 250 400 ps jitter @ 155.52 mhz (12khz to 20mhz) 0.694 jitter @ 622.08 mhz (50 khz to 80 mhz) 0.350 ps-rms spurious suppression 50 60 dbc data symmetry sym 45 55 % control voltage input impedance zc 100 kw control voltage modulation bandwidth bw - 500 - khz output current i out --20ma table 2. electrical performance @ 25 ? 1. linearity is a best-fit straight line 2. output levels are standard 100k pecl compatible. 8798_aa's vectron 05/30/02 3:11 pm page 32
vectron international ?267 lowell road, hudson, nh 03051 ?tel: 1-88-vectron-1 ?web: www.vectron.com 33 voltage controlled saw oscillators (vcso s) pin symbol function 1 v c vcso control voltage 2 o d output disable 3 gnd case and electrical ground 4 output vcso output 5 coutput vcso complementary output 6 v cc power supply voltage dimensions are in inches and (millimeters) 0.118 (3.00) 0.200 (5.08) 0.100 (2.54) 0.346 (8.80) 0.050 (1.27) outline drawing pad layout ordering information vs -500-lff- gn n freq uency vi yww 1 4 3 6 2 5 vs-500 155.520 156.250 161.1328 166.6286 177.7371 311.040 622.080 624.7048 625.000 627.3296 644.5313 666.5143 669.1280 669.3265 765.5906 767.250 777.600 vs t emperature range f = -40 o c to +85 o c frequency 500 f n n l f g 622.080 product family vs = vcso package 500 = 6 pin j lead smd supply v oltage l= 3.3v + 10% output f = complementary pecl mhz absolute pull range g= + 50 ppm h= + 100 ppm other other pin out information standard frequencies (mhz) other frequencies available - contact factory. vcso 8798_aa's vectron 05/30/02 3:11 pm page 33
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