Issue: 01 Specification AXIOM20-17 Oscillator type : OCXO for Cospas-Sarsat Beacons Parameter min. Frequency range Nominal frequency Frequency stability Initial tolerance vs. temperature - temperature ramp of ± 5 °C / h - thermal shock of 30°C operating temperature range vs. supply voltage variation vs. load change Overall aging 5 years Frequency adjustment range Electronic Frequency Control (EFC) RF output Signal waveform Load Rise & decay time Symmetry Warm-up time Supply voltage VS1 (Oven) Current consumption (steady state) Current consumption during warm-up Supply voltage VS2 (Oscillator) Current consumption (VS2) Operable temperature range Storage temperature range Enclosure (see drawing) Weight Packing ESD Sensitivity typ. max. Unit ±2 MHz MHz ppm ppm ±2 ±2 +55 +55 ± 20 ± 20 ± 10 ppb/min ppb °C °C ppb ppb ppm 60.750 ±1 -40 -20 Date: 2007-10-17 Condition Note 3 Clause 4.2.2 Clause 4.2.3 Class 1 (Option I) Class 2 (Option I) VS ± 5% N.A. HCMOS 15 7 40 60 2 4.75 5.0 5.25 100 300 400 250 300 4.75 5.0 5.25 10 15 -45 +60 -45 +105 20.7x13.1x8.5 max. 5 Palette or stick 1500 pF ns % min V mA mA mA V mA °C °C mm gram V ∆ffinal/f0 < ±0.1 ppm Note 2 @ +25°C Class 1 Class 2 Note 2 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. Oven supply VS1 can be switched on and off separately, while oscillator supply VS2 is on. Oven will not work properly without VS1 applied ! 3. In accordance with mentioned clauses of Cospas/Sarsat Specification C/S T.001 Ordering Code: Model (Specification) AXIOM20-17 Option I (Class) Frequency [MHz] 2 60.750 Example: AXIOM20-17-2-60.750 MHz GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany AXIOM20-17 page 1(2) www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: [email protected] Enclosure drawing Pin connections Pin # Symbol 1 VS1 7 GND 8 RF OUT 14 VS2 Function Supply Voltage (Oven) Ground RF Output Supply Voltage (Oscillator) Environmental conditions Test IEC 60068 Part ... Visual inspection, dimensions Sealing tests (if applicable) Solderability Resistance to soldering heat Shock* IEC 60679-1 clause ... 4.3 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 2-17 4.6.2 2-20 2-58 4.6.3 2-27 4.6.8 Bump* 2-29 4.6.6 Free fall* 2-32 4.6.9 Vibration, sinusoidal* 2-6 4.6.7 Rapid change of temperature Dry heat 2-14 4.6.5 2-2 4.6.14 Damp heat, cyclic* 2-30 4.6.15 Cold 2-1 4.6.16 Climatic sequence* 1-7 4.6.17 Damp heat, steady state* Endurance tests - ageing - extended aging 2-3 4.6.18 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), 55°C/95% r.H., 6 cycles Test Aa, 2 h at lower temperature indicated by climatic category st Sequence of 4.6.14, 4.6.15 (1 cycle), 4.6.16, 4.6.15 (5 cycles) Test Ca, 56 days 4.7.1 4.7.2 30 days @ 85°C, OCXO @25°C 1000h, 2000h, 8000h @85°C GmbH & Co. KG Wasemweg 5 D-74821 Mosbach Germany AXIOM20-17 page 2(2) www.axtal.com fon: +49 (6261) 939834 fax: +49 (6261) 939836 E-mail: [email protected]