obsolescence notice this product is obsolete.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/
features very high speed operation 3.3ghz silicon technology for low phase noise (typically better than -140dbc/hz at 10khz) specified over the full military temperature range low power dissipation 370mw (typ) 5v single supply operation high input sensitivity very wide operating frequency range available as desc smd 5962-9056701mpa sp8804 3.3ghz 4 fixed modulus divider advance information ds2112 issue 7.3 june 1999 ordering information sp8804/a/dg military temperature range des9056701/ac/dgaz (smd) the sp8804 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 source for the emitter follower outputs. description thermal characteristics ja = 150 c/w jc = 50 c/w 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 figure 1 sp8804 block diagram 400 400 500 500 4 2ma 5ma 6 7 6.75ma 5 3 2 vcc 1 supply input input gnd output output v ref (2v)
2 sp8804 advance information electrical characteristics guaranteed over the temperature range t amb -55 c to +125 c (see note) and supply voltage range 4.75v to 5.25v. tested at t amb = -55 c and +105 c, v cc = 4.75v and 5.25v. supply current input sensitivity 0.65ghz to 2.8ghz 3.3ghz input impedance (series equivalent) output voltage with f in =1000mhz output voltage with f in = 3ghz 1 2, 3 2, 3 6, 7 6, 7 0.8 74 50 2 1 0.25 ma mv mv ? pf vp-p vp-p 90 175 400 v cc = 5v rms sinewave measured in 50 ohm system. see figs. 3 & 4 v cc = 5v v cc = 5v load as fig. 4 pin characteristic conditions min typ max units value note: devices must be used with a suitable heatsink to maintain chip temperature below 175 c when operating at t amb >105 c . 500 400 300 200 100 vin (mv rms into 50 ohms) 1 2 3 4 frequency (ghz) tested as specified in table of electrical characteristics * guaranteed* operating window figure 3 typical input sensitivity dg8 figure 2 pin connections nc gnd input output input output v cc 5 6 7 8nc 4 3 2 1 sp8804
3 sp8804 advance information figure 5 typical input impedance 18 27 36 45 sp8804 50 ? power meter ratio counter 1n 1n +5v coaxial switch 0.1 50 ? signal generator from output 0.1 470 3p output load for amplitude measurements figure 4 test circuit
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