EURO QUARTZ OCXO - OC31E5A AT-Cut Crystal - Sine Wave - 5.0 Volts 1.25MHz ~ 100.0MHz Frequency Range 10.0MHz to 100.0MHz 36.2 x 27.7 x 16.0mm 5 pin metal, solder-sealed package Supply Voltage 5.0 Volts AT-Cut Crystal Sine Wave Output EFC (Voltage control) as standard OUTLINE & DIMENSIONS DESCRIPTION OC31E5A series oven-controlled crystal oscillators are close tolerance OCXOs with good phase noise performance. SPECIFICATION Crystal Cut: Output Waveform: Supply Voltage: Frequency Range: Initial Calibration Tolerance: Frequency Stability over 0° to +60°C: over -20° to +70°C: over -40° to +85°C: vs. Voltage Change: vs. Ageing: vs. Load Change: Warm-up Time: Voltage Control Control Voltage Centre: Freq. Deviation Range: Control Voltage Range: Transfer Function: Input Impedance: EFC Linearity: Power Dissipation: AT-cut Sine Wave +5.0 VDC ±0.2V 1.25MHz to 100.0MHz ±0.5ppm max.(at VCON +2.5V) ±0.03ppm ±0.08ppm ±0.2ppm <±20ppb for ±5% change ±5.0ppb max per day ±0.5ppm per first year ±3.0ppm over 10 years <±20ppb for ±5% change +2.5 Volts (VCON) ±5.0ppm min., ±20ppm max. ref. to 25°C and O.T.R. 2.5V ±2.0Volts Positive: Increasing control voltage increases output frequency 100k minimum ±10% maximum Harmonics: Spurious: +3dBm typ., +8dBm max. into 50W load -30dBc min. -75dBc min. Reference Voltage: +4.0±0.3VDC or custom Envionmental Storage Temperature: Shock: Vibration: -55° to +125°C 2000g, 0.3ms ½ sine 10 ~2000Hz / 10g PHASE NOISE (at 10MHz) Offset 1Hz 10Hz 100Hz 1kHz 10kHz dBc/Hz -75 -100 -130 -140 -150 Square wave output load: 15W Sine Wave output load: 50W 1.2W max. steady state 3.5W max. at turn on Output Output Level: TEST CIRCUIT 3 minutes max. to within ±0.5ppm of nominal freq. PART NUMBER FORMAT Example: OC31GE5A-10.000-0.08/-20+70 OCXO Package: OC31 RoHS Compliance G: RoHS Compliant Blank: Non-compliant E: Output Sine Wave 5: Supply Voltage 5.0Volts A: AT-Cut Crystal Nominal Frequency 10.0MHz Stability in ±ppm Operating Temperature Range °C Lowest Temperature/Highest Temperature EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk