obsolescence notice this product is obsolete. this information is available for your convenience only. for more information on zarlink?s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/
semicmf.019 1 features ? high speed operation 1.5ghz ? silicon techology for low phase noise (typically better than -140dbc/hz at 10khz) ? very low power dissipation: 150mw (typ.) ? single 5v supply operation ? high input sensitivity ? very wide operating frequency range ? available as desc smd 5962 - 9157201mpa description the SP8830 is one of a range of very high speed low power prescalers for professional and military applications. the device features a complementary output stage with on chip current sources for the emitter follower outputs. ? temperature range: -55 c to +125 c (a grade) -40 c to +85 c (b grade) absolute maximum ratings supply voltage, v cc 6.5v clock input voltage 2.5v p-p storage temperature range -65 c to +150 c junction temperature + 175 c ds3690 may 2002 ordering information SP8830 a dg SP8830 b dg des9157201/ac/dgaz (smd) SP8830 1.5ghz ? ? 10 prescaler data sheet figure 1 - SP8830 block diagram 1k 2k input input ? 2 ? 5 0 . 8ma 2 3 output output 7 6 v cc gnd 5 1 0 . 8ma 1 . 25k 1 . 25k 1ma
SP8830 data sheet semicmf.019 2 figure 2 - pin connections electrical characteristics - unless otherwise stated, the electrical characteristics are guaranteed over specified supply, frequency and temperature range. supply voltage, v cc -4 . 75v to +5 . 25v. temperature, t amb = -55 c to +125 c (a grade), -40 c to +85 c (b grade) figure 3 - typical input sensitivity characteristic pin value units conditions min. typ. max. supply current, i cc 1 ma 40 50 input sensitivity, 100mhz to 500mhz 2, 3 100 mv rms sinewave, measured in 50 w system. see figs. 3 and 4. input impedance (series equivalent) 2, 3 50 2 w pf see fig. 5 output voltage with f in = 100mhz output voltage with f in = 1500mhz 6, 7 6, 7 0 . 7 1 0 . 4 v p-p v p-p v cc input input nc nc output output gnd 1 2 3 4 8 7 6 5 dg8
data sheet SP8830 3 semicmf.019 figure 4 - test circuit figure 5 - typical input impedance, normalised to 50 w w 3p 1 2 3 4 8 7 6 5 power meter 50 w 50 w SP8830 ratio counter coaxial switch 1n 0 . 1 m 1n +5v signal generator 0 . 1 m output load for amplitude measurements from output
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