euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz 8 pin dual-in-line mil specification page 1 of 2 description eqxo-2000bm series oscillators are designed and manufactured by euroquartz ltd for aerospace, defence and similar applications where high-reliability clock oscillators are required. the oscillator is produced in the industry-standard 8 pin dil oscillator package. eqxo-2000bm series oscillators incorporates a custom designed, all-ceramic oscillator substrate and a ruggedized three-point crystal mounting system inside a hermetically-sealed metal package. the specification ensures that eqxo-2000bm series oscillators provide an accurate and reliable source of clock signals regardless of the severity of the environment in which it operates. radiation tolerance for equipment to be used in space or the upper atmosphere the eqxo-2000bm series oscillators may be produced in a radiation tolerant version. designated eqxo-2000bmh, this variant of the oscillator will withstand ionizing radiation to resist electrical failures for a total radiation dose of 40krad(si). outline & dimensions model no: eqxo-2000bm frequency range: 30khz to 70.0mhz calibration tolerance at 25c: 10ppm to 25ppm frequency stability* eqxo-2100bm: 100ppm over -55 to +125c eqxo-2050bm: 50ppm over -55 to +125c supply voltage: +5.0 volts dc10% output: cmos, 50pf/10 ttl loads ageing: 3pm max in first year symmetry: 45%/55% operating temperature range: -55 to +125c storage temperature range: -55 to +125c construction: ceramic substrate, resistance welded can. * frequency stability is inclusive of frequency adjustment at 25c and any variations due to load change, ageing, supply voltage change (10%) and variations attributable to shock and vibration, (s ee qualification approval and environmental specification. ) specification 30khz ~ 1.0mhz 10 10 1.0mhz ~ 4.0mhz 15 10 4.0mhz ~ 20mhz 20 10 20mhz ~ 35mhz 35 10 35mhz ~ 50mhz 40 5 50mhz ~ 65mhz 70 5 frequency range supply current (ma max.) rise/fall time (ns max.) current consumption /rise & fall times features ceramic substrate and ruggedized mounts for high reliability industry-standard 8 pin dil package for ease of design full screening to mil-o-55310c, class b available radiation tolerant version favailable for space applications eqxo-2050bm 10ppm 50ppm no eqxo-2100bm 25ppm 100ppm no eqxo-2050bmh 10ppm 50ppm yes eqxo-2100bmh 25ppm 100ppm yes model number calibration tolerance at 25c frequency stability -55 to +125c radiation tolerant model numbers part number generation frequency / model number / plating* / screening ( if required ) example: 10.000mhz eqxo-2100bmh screened *note: lead and base plating is gold flashed over nickel as standard. if nickel plating only is required enter / - nickel / in this position. mil screening eqxo-2000bm series oscillators may be ordered screened i.a.w. the schedules detailed in 'qualification approval and environmental specification' on page 2 of this specification. eqxo-2000bm oscillators 30khz to 70mhz
euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz page 2 of 2 wk00032a 32.7680khz 100ppm -55~+125c wk00080a 80.0000khz 100ppm -55~+125c wk00100a 100.000khz 100ppm -55~+125c wk00307a 307.200khz 100ppm -55~+125c wk00500a 500.000khz 100ppm -55~+125c wk01000a 1.00000mhz 100ppm -55~+125c wk01228a 1.22880mhz 100ppm -55~+125c wk03686a 3.68640mhz 100ppm -55~+125c wk04915a 4.91520mhz 100ppm -55~+125c wk06000a 6.00000mhz 100ppm -55~+125c wk06400a 6.40000mhz 100ppm -55~+125c wk08000a 8.00000mhz 100ppm -55~+125c wk09216a 9.21600mhz 100ppm -55~+125c wk10000a 10.0000mhz 100ppm -55~+125c wk12000a 12.0000mhz 100ppm -55~+125c wk14745a 14.7456mhz 100ppm -55~+125c wk15375a 15.3750mhz 100ppm -55~+125c wk16000a 16.0000mhz 100ppm -55~+125c wk18000a 18.0000mhz 100ppm -55~+125c wk20000a 20.0000mhz 100ppm -55~+125c wk24000a 24.0000mhz 100ppm -55~+125c wm025a00 25.0000mhz 100ppm -55~+125c wm030a00 30.0000mhz 100ppm -55~+125c wm032a00 32.0000mhz 100ppm -55~+125c wm033a33 33.3330mhz 100ppm -55~+125c wm040a00 40.0000mhz 100ppm -55~+125c wm050z00 50.0000mhz 100ppm -55~+125c wm064z00 64.0000mhz 100ppm -55~+125c stock number frequency specification standard frequencies & specifications for eqxo-2100bm oscillators qualification approval & environmental specification vibration: 10hz to 60hz, 0.75mm displacement, 60hz to 2000hz, 98.1m/s 2 acceleration 30 minutes in each of three mutually- perpendicular planes. shock: 981 m/s 2 for 6ms, three shocks in each direction along three mutually- perpendicular planes. thermal shock: mil-std-202 method 107 storage temperature: -55c for 24 hrs., then +150c, 24 hrs. moisture resistance: 85% relative humidity at 85c for 24hrs. seal: fine leak not to exceed 1x10 -8 mb litres of helium leakage, then gross leak test. terminal strength : mil-std-202 method 211 solerability : mil-std-202 method 208 screening screening in accordance with mil-o-55310c class b. all devices are 100% tested to the following conditions: stabilization bake: vacuum storage at 150c for 24 hrs. temperature cycling: -55c to +125c, 10 cycles constant acceleration: 49000m/s 2 for 1 minute iny1 plane. seal: fine leak not to exceed 1x10 -8 mb litres of helium leakage, then gross leak test. dynamic burn-in: 125c for 168hrs. electrical test: frequency, output waveform, output voltage/power, input current/power. radiation tolerant versions radiation tolerant versions of eqxo-2000bm series oscillators have been designed and are manufactured to ensure no functional failures will occur in any electrical test for a total radiation dose of 40krad(si). eqxo-2000bm series oscillators so manufactured have the letter 'h' appended to the 'bm' in the part number suffix: 20.000mhz eqxo2100bmh a paper is available describing the general problems encountered in the design of electrical systems needing to withstand radiation encountered in the upper atmosphere and space. 8 pin dual-in-line mil specification eqxo-2000bm oscillators 30khz to 70mhz
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