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Issue: 04 Date: 2008-04-04 Specification AXIOM20S Oscillator type : OCXO in DIL14 package with Stratum III stability Parameter
Frequency range Standard frequencies Frequency stability Initial tolerance vs. temperature in operating temperature range operating temperature range
min.
typ.
max.
Unit
MHz MHz ppm ppb ppb C C C ppb ppb ppm ppb ppm ppm ppm ppm ppm
Condition
10 20 12.8 / 16.384 / 19.44 / 20.0 500 280 0 -20 -40 10 10 0.37 40 0.8 3.5 4.6 70 70 85
@+25C steady state Option II = "070" Option II = "2070" Option II = "4085"
vs. supply voltage variation vs. load change Holdover stability (over operating temperature range and VS 1 %) 24 hours drift long term (aging) 1st year Long term aging over 15 years Long term stability (overall) 15 years Frequency adjustment range Mechanical (internal trimmer) Electronic Frequency Control (EFC) RF output Signal waveform Load Rise & decay time Symmetry (duty cycle) Warm-up time Supply voltage VS Current consumption (steady state) @ +25C Current consumption (warm-up) Enable/disable function Operable temperature range Storage temperature range Enclosure (see drawing) Weight Packing ESD Sensitivity
TELCORDIA GR-1244 CORE Stratum III or ITU-T G.813 option 1 @ +40C, after 30 days Note 2 N.A. N.A.
HCMOS 15 40 3.13 4.75 3.3 5.0 10 60 5 3.47 5.25 300 250 800 500
pF ns % min V V mA mA mA mA C C mm gram V
@ VS/2 ffinal/f0 < 0.5 ppm Option I = "33" Option I = "50" Option I = "33" Option I = "50" Option I = "33" Option I = "50"
-45 +90 -45 +90 20.7 x 13.1 x 11 max. 5 Palette 1500
IEC 60679-3 CO 02
HBM as in IEC 610004-2
Notes: 1. Terminology and test conditions are according to IEC standard IEC60679-1, unless otherwise stated 2. Overall frequency stability = initial tolerance + temp.stability + supply & load change + aging
Ordering Code:
Model (Specification) AXIOM20S Option I 33 Option II 070 Frequency [MHz] 12.800
GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany
AXIOM20S page 1(2)
www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: info@axtal.com
Enclosure drawing
Pin connections
Pin # Symbol 1 N.C. 7 GND 8 RF OUT 14 Vs Function No Connection Ground RF Output Supply Voltage
Environmental conditions
Test Visual inspection, dimensions Sealing tests (if applicable) Solderability Resistance to soldering heat Shock* Bump* Free fall* IEC 60068 Part ... IEC 60679-1 clause ... 4.3 4.6.2 4.6.3 Test conditions Enclosure styles as in IEC 60679-3 or 61837, if applicable Gross leak: Test Qc, Fine leak: Test Qk Test Ta (235 5)C Method 1 Test Tb Method 1A, 5s Test Ea, 3 x per axes 100g, 6 ms half-sine pulse Test Eb, 4000 bumps per Axes, 40g, 6 ms Test Ed procedure 1, 2 drops from 1m height Test Fc, 30 min per axes, 10 Hz - 55 Hz 0,75mm; 55 Hz - 2 kHz, 10g Test Na, 10 cycles at extremes of operating temperature range Test Ba, 16 h at upper temperature indicated by climatic category Test Db variant 1 severity b), 55C/95% r.H., 6 cycles Test Aa, 2 h at lower temperature indicated by climatic category Sequence of 4.6.14, 4.6.15 (1st cycle), 4.6.16, 4.6.15 (5 cycles) Test Ca, 56 days
2-17 2-20 2-58 2-27 2-29 2-32
4.6.8 4.6.6 4.6.9 4.6.7
Vibration, sinusoidal* 2-6
Rapid change of temperature Dry heat Damp heat, cyclic* Cold Climatic sequence* Damp heat, steady state* Endurance tests - ageing - extended aging
2-14 2-2 2-30 2-1 1-7 2-3
4.6.5 4.6.14 4.6.15 4.6.16 4.6.17 4.6.18
4.7.1 4.7.2
30 days @ 85C, OCXO @25C 1000h, 2000h, 8000h @85C
GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany
AXIOM20S page 2(2)
www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: info@axtal.com

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