12730 commonwealth drive ? fort myers, florida 33913 phone: 239-561-3311 ? 800-237-3061 fax: 239-561-1025 ? www.crystek.com crystek corporation 50 mhz to 125 mhz 0c to 70c -40c to 85c -45c to 90c 5.0v 0.5v 2.5v 2.5v 2.5v 0.5v 30ma max true sinewave 20ppm min 10% max +5 dbm min, +7 dbm typical 2ms typical, 5ms max 50 ? -25 dbc max none >10khz @ -3db -85 dbc/hz -120 dbc/hz -145 dbc/hz -162 dbc/hz -170 dbc/hz -170 dbc/hz <3ppm 1 st year, <1ppm every year thereafter frequency range: temperature range: (option x) storage: input voltage: control voltage: settability at nominal: input current: output: pullability apr: linearity: output power: start-up time: load: 2nd harmonic: sub-harmonics: modulation bw: phase noise typical: 10hz (@100mhz) 100hz 1khz 10khz 100khz 1mhz aging: 914 mm smd, 5.0v, sinewave CVSS-945 model CVSS-945 rev. c page 1 of 2
recommended reflow soldering profile 217c 200c 260c 150c 90 secs. max. temperature ramp-up 3c/sec max. preheat 180 secs. max. 8 minutes max. 260c for 10 secs. max. critical temperature zone ramp-down 6c/sec. note: reflow profile with 240c peak also acceptable. 0.210 (5.3) 0.560 (14.2) suggested pad layout 0.280 (7.11) 0.050 (1.27) 0.090 (2.28) 0.200 (5.08) 0.360 (9.14) 0.560 (14.2) crystek part number frequency date code 12730 commonwealth drive ? fort myers, florida 33913 phone: 239-561-3311 ? 800-237-3061 fax: 239-561-1025 ? www.crystek.com crystek corporation pad connection 1 2 3 4 volt cont. gnd out vdd mechanical: shock: mil-std-883, method 2002, condition b solderability: mil-std- 883, method 2003 vibration: mil-std-883, me thod 2007, condition a solvent resistance: mil-std-202, method 215 resistance to soldering heat: mil-std-202, method 210, condition i or j environmental: thermal shock: mil-std-883, method 1011, condition a moisture resistance: mil-std-883, method 1004 packaging: tape/reel: 100ea, 250ea, 500ea 24mm tape 914 mm smd, 5.0v, sinewave CVSS-945 model 0.200 (5.08) 0.040 (1.01) 0.070 (1.77) 1 3 4 2 CVSS-945 rev. c page 2 of 2 CVSS-945 x-125.000 crystek part number guide #1 crystek 914 smd sinewave vcxo #2 model 945 = ultra low noise 5.0v #3 temp. range: blank = 0/70c, x = -40/85c #4 frequency in mhz: 3 or 6 decimal places example: CVSS-945x-125.000 = 5.0v, -40/85c, 125.000 mhz #1 #2 #3 #4 standard frequencies mhz 50.000 80.000 100.000 122.880 125.000
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