performance specifications typ units min max -25 frequency phase noise @ 10 khz offset (1 hz bw) harmonic suppression (2nd) spurious suppression power output load impedance settling time operating temperature range mhz dbc/hz dbc dbc dbm ms c pll-v12n package style 80 -20 2.5 -65 -2 7 50 .3 power supply requirements typ units max 3vdc supply voltage 1: pll (vcc, nom) vdc ma supply voltage 2: vco (vcc, nom) supply current 2: vco (icc, typ) ma 15 supply current 1: pll (icc, typ) 5 33 min satellite communication downconvertors ? ? ? applications SFS4250A-LF a1 rev application notes ? an-107: manual soldering technique ? an-205: measuring phase noise for sfs series fixed frequency synthesizer surface mount module lfsuffix = rohs compliant. all specificat ions are subject to change without notice. ? z-communications, inc. all rights reserved. 9939 via pasar | san diego, ca 92126 | tel: (858) 621-2700 | fax: (858) 621-2722 url: www.zcomm.com | email: applications@zcomm.com page 1 of 2 frm-s-002 b note1: phase noise measurement was perform ed using a 10mhz cmos reference oscillato r with a phase noise of -145dbc/hz @1khz. pin 7,8,9 are no-connect. additional notes reference oscillator signal typ units min max 10 mhz frequency phase noise @1 khz offset dbc/hz -145 -84 4250 4250
footprint fixed frequency synthesizer surface mount module SFS4250A-LF a1 rev 0.030 min. cutback from live pads several holes of 0.015 on gnd. plane are recommended for good grounding. o recommended footprint physical dimensions 1 vcc(vco) 3 rf out 5 mux out pin configuration rest ground 6 vcc(chip) 7 clock 8 data 9 enable 10 ref in z-comm xxxxxxxx-lf w/o# d/c 6 5 4 3 2 1 7 8 9 10 11 12 note: all dimensions are in inches tol: xxx: +/- 0.010 phase noise (1 hz bw, typical) offset (hz) (f) (dbc/hz) phase noise, typ. page 2 of 2 frm-s-002 b lfsuffix = rohs compliant. all specificat ions are subject to change without notice. ? z-communications, inc. all rights reserved. url: www.zcomm.com | email: applications@zcomm.com
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