STRATUM III OSCILLATORS EQAX-10S TCXO with STRATUM III stability Incl. Holdover OUTLINES AND DIMENSIONS DESCRIPTION The Euroquartz EQAX-10S TCXO conforms to IEC60679-1, Stratum III, providing a low-noise, stable and reliable source of clock signals with electronic frequency control. FEATURES · · · · · · Compact, SMD package Frequency range from 10MHz to 30MHz Operating temperature range, 0° to +70°C Operable temperature -30° to +75°C Supply Voltage 3.3 Volts Electronic Frequency Range ±5ppm SPECIFICATION Frequency Range: Standard Frequencies: Frequency Stability Initial Tolerance: Vs. Temperature: Vs. Supply Voltage Var: Vs. Load Change: Long Term Ageing (1st Year): Long Term Stab. (15 Years): Frequency Adjustment Range Electronic Frequency Control: EFC Voltage Vc: EFC Slope (Df/DVc): EFC Input Impedance: RF Output Signal Waveform: Load: Rise/Fall Time: Symmetry (Duty Cycle): Start-up Time: Phase Noise (16.384MHz) 10.0MHz to 30.0MHz 12.800MHz, 19.440MHz ±1.0ppm @+25°C ±0.28ppm 0°~+50°C ±0.1ppm ±0.1ppm ±1ppm (@40°C) ±4.6ppm ±5ppm 0.30V to 3.0 Volts Positive 10kW HCMOS 15pF 10ns maximum 60%/40% 4ms -95dBc @10Hz offset -125dBc @ 100Hz offset -140dBc @ 1kHz offset -145dBc @ 10kHz offset Supply Voltage Minimum: Typical: Maximum: Current Consumption: Operable Temperature Range: Storage Temperature Range: Enclosure: Weight: Packing Type: ESD Sensitivity: +3.13 Volts +3.30 Volts +3.47 Volts 15mA maximum (Steady state) -20°~+75°C -40°~+85°C As drawing 3gm Tape & Reel (IEC 60286-3) 1500V minimum (IEC6100-4-2) ORDERING CODE To order, specify as follows: EXAMPLE: FREQUENCY - MODEL 12.800MHz EQAX-10S PAD CONNECTIONS Pad No. 1 2 3` 4 5 6 Symbol Function VC NC GND RF OUT NC Vs Control Voltage Not Connected Ground RF Output Not Connected Supply Voltage ENVIRONMENTAL Test Visual inspection, Dimensions Sealing tests IEC 60068 Part . . IEC 61178-1 Clause . . Test Conditions 2-17 4.5 4.6 4.8.2 Solderability, Resistance to soldering heat Shock 2-20 4.8.3 2-27 4.8.8 Bump 2-29 4.8.6 Free fall 2-32 4.8.9 Vibration, Sinsoidal 2-6 4.8.7 Rapid change of Temperature 2-14 4.8.5 Dry heat 2-2 4.8.11 Damp heat, cyclic 2-30 4.8.12 Cold 2-1 4.8.13 Climatic sequence 1-7 4.8.14 Damp heat, steady state Endurance tests, - ageing - extended ageing 2-3 4.8.15 Enclosure styles as in IEC 60122-3, if applic. Gross Leak: Test Qc Fine Leak: Test Qk Test Ta (235±5°C), method 1 Test Tb, method 1A, 5s Test Ea, 3x per axis 100g, 6ms 1/2sine Test Eb, 4000 bumps/ axis, 40g, 6ms Test Ed, procedure 1, 2 drops from 1m ht. Test Fc, 30 min/axis, 10Hz-55Hz, 0.75mm; 55Hz -2kHz, 10g Test Na, 10 cycles at extremes of operating temperature range. Test Ba, 16 h at upper temperature. Test Db variant 1 severity b, 55°C/95%rh Test Aa, 2h at lower temperature indicated by climatic category. Sequence of 4.8.11, 4.8.12 and 4.8.13 Test Ca, 56 days 4.9.1 4.9.2 30 days @ 85°C 1kh, 2kh, 8kh, @85°C EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 1460 230000 Fax: +44 1460 230001 email: [email protected] web: www.euroquartz.co.uk