ocxos 20.7 sq max 15.2 7.6 7.6 5.0 0.5 pin function 1. voltage supply 2. rf output 3. ground 0v/case 4. efc input 5. not used 1 2 3 5 4 bottom view 10.5 max all tolerances 0.2mm cfpo-6: miniature ocxo issue 3; 1 september 2001 description miniature sc cut ocxo (cfpo-6 a) miniature at cut ocxo (cfpo-6 b) package outlines 25.4 x 25.4 x 12.7mm (25) 20.7 x 20.7 x 10.5mm (20) supply option standard: 5v (5) optional: 3.3v (3.3) , 12.0v (12) standard frequencies 10.0, 12.8, 13.0, 16.384,19.440, 20.0, 26.0, 38.88mhz frequency ranges 4.0960 to 26.0mhz (cfpo-6 a1, -b1) 8.0 to 38.880mhz (cfpo-6 a2, -b2) power consumption warm up: < 2.5w @ 25c: < 1.0w (calm air) warm up time @25c (typical) < 1 x 10 ?7 after 5 minutes (calm air) output compatibility standard: hcmos (c) frequency stability vs supply voltage change (5%) and load change (1 to 2 hcmos) < 5 x 10 -9 (cfpo-6a, cfpo-6b) phase noise @ 10.0mhz (cfpo-6a typical) 10hz < ?120dbc/hz 100hz < ?140dbc/hz 1khz < ?145dbc/hz 10khz < ?150dbc/hz environmental specification (non-operating) storage temperature: ?55c to 90c shock: 50g for 11ms vibration: 10g for 10 to 500hz outline in mm - package 25 outline in mm - package 20 25.4sq 19.05 9.52 9.52 12.7 5.0 0.5 pin function 1. output signal 2. mechanical ground and (?) supply 3. input frequency control 4. output ref. voltage 5. input supply (+) 1 2 3 5 4 bottom view all tolerances 0.2mm 0.80.05 marking includes model number (including options) frequency serial number date code (year/week) europe tel: +44 (0)1460 270200 fax: +44 (0)1460 72578 website : www.cmac.com americas tel: +1 919 941 9333 fax: +1 919 941 9371 asia tel: +86 755 8826 5991 fax: +86 755 8826 5990
ocxos ordering example cfpo-6 a2 25-c 3.3 10mhz model package outline (25) (20) output signal (c) supply voltage (5) (3.3) (12) frequency (mhz) *please note: extended operating temperature ranges may be available on request, please contact our sales office for further de tails. ** voltage reference +5.0v with +12v power supply +4.0v with +5v power supply +2.8v with +3.3v power supply external frequency adjustment ref 20k manual freq. adjust. settability < 1 x 10 -8 fine manual freq. adjust. settability <1 x 10 ref 20k 1k -10 ref 10k v in freq. control voltage and manual adjust 20k ext. freq. control voltage nc v in all potentiometers must be 10 turns type with temperature coefficient 50ppm/c out ifc out ifc out ifc out ref ifc gnd gnd gnd gnd operating stability within long term stability @ 25c frequency model number package temperature temperature after 30 days operation adjustment range* range pk to pk per day per month per year from ov to vref (**) ?20 to 70c < 2 x 10 -8 < 1 x 10 -9 < 3 x 10 -8 < 1.5 x 10 -7 > 1 x 10 -6 cfpo-6 a1 25 ?20 to 70c < 5 x 10 -8 < 2 x 10 -9 < 5 x 10 -8 < 3 x 10 -7 > 1 x 10 -6 cfpo-6 a2 20 ?20 to 70c < 1 x 10 -7 < 1 x 10 -9 < 3 x 10 -8 < 1.5 x 10 -7 > 4 x 10 -6 cfpo-6 b1 or ?20 to 70c < 2 x 10 -7 < 3 x 10 -9 < 8 x 10 -8 < 5 x 10 -7 > 4 x 10 -6 cfpo-6 b2 25 electrical specification europe tel: +44 (0)1460 270200 fax: +44 (0)1460 72578 website : www.cmac.com americas tel: +1 919 941 9333 fax: +1 919 941 9371 asia tel: +86 755 8826 5991 fax: +86 755 8826 5990
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