? api technologies corp. proprietary information | www.apitech.com | micro.apitech.com | +1. 888.553.7531 | microwavesales@apitech.com page # rev date: features 4/28/2014 1 api technologies model lcfs 1051 frequency synthesizer combines a monolithic integer - n microwave synthesizer, a reference oscillator and a microcontroller to provide an economical frequency source solution . complex serial register programming is not required . a built - in lookup table in the microcontroller allows for simplified frequency programming with a dual 8 - bit binary frequency selection word . either parallel or serial programming can be accommodated . 375 to 750 mhz frequency synthesizer low phase noise in a lower cost package model # LCFS1051 ? low phase noise: - 116 dbc/hz (100 khz offset) ? internal reference oscillator (external optional) ? no user programming required ? integrated microcontroller look - up table ? customized parallel or serial programming available ? 3 additional complementary output lines are available technical specifications parameter typical min/max frequency range 375 to 750 m hz 375 to 750 m hz output power +13 dbm - internal input reference frequency 40 mhz - step size 10 mhz - ssb phase noise - 98 dbc/hz @ 1 khz - 98 dbc/hz @ 10 khz - 116 dbc/hz @ 100 khz - 145 dbc/hz @ 1 mhz - 168 dbc/hz @ 10 mhz - digital lock indicator 3.3 volt logic - locking speed 200 sec - spurious - 40 dbc - harmonics - 20 dbc - output vswr 1.75:1 2.0:1 optional binary divided output 2,4,8,16,32,64,128 dc supply voltage +3.3 volts (+/ - 2%) volts dc supply current** 150 ma --- frequency accuracy 2 ppm --- frequency aging 1 ppm --- frequency vs. temperature 2 ppm --- storage temperature - 55 c to +125 c operating temperature - 40 c to +85 c dc voltage +5 volts maximum (no damage) ratings notes : *typical values are measured at 25 c, but not guaranteed. up to 4 optional outputs ? one output line: 150 ma ? two output lines: 225 ma ? three output lines: 300 ma ? four output lines: 375 ma parameter specification specification temperatures (min/max) -20 c to +70 c housing size 0.800 l x 0.800 w x 0.130 h housing drawing lc800 package type surface mount mechanical & electrical
? api technologies corp. proprietary information | www.apitech.com | micro.apitech.com | +1. 888.553.7531 | microwavesales@apitech.com rev date: page # -180 -160 -140 -120 -100 -80 -60 -40 -20 0 1000 10000 100000 1000000 10000000 4/28/2014 2 phase noise (dbc/hz) output power (dbm) typical performance model # LCFS1051 frequency (mhz ) (dbm) 1 khz 10 khz 100 khz 1 mhz 10 mhz offset from the carrier (dbc/hz @ 750 mhz ) 1. specifications labeled min. or max. are guaranteed in a 50 ohm system over the specified temperature range. 2. output frequency and step size must be specified. 3. other input voltages are available. notes outline drawing (lc800 package) 5 6 7 8 9 10 11 12 13 14 15 375 425 475 525 575 625 675 725 775
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