EURO QUARTZ OCXO - OC18E12S SC-Cut Crystal - Sine Wave - 12.0 Volts 10.0MHz ~ 100.0MHz Frequency Range 10.0MHz to 100.0MHz 20.3 x 20.3 x 10.5mm 5 pin metal, solder-sealed package Supply Voltage 12.0 Volts SC-Cut Crystal True Sinewave Output EFC (Voltage control) as standard OUTLINE & DIMENSIONS DESCRIPTION OC18E12S series oven-controlled crystal oscillators are close tolerance OCXOs with excellent 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: SC-cut Sine Wave +12.0 VDC ±0.5V 10.0MHz to 100.0MHz ±0.5ppm max. (at VCON 2.5V) ±0.01ppm ±0.01ppm ±0.03ppm <20ppb for ±5% change ±2.0ppb max per day ±0.1ppm per first year ±0.5ppm over 10 years <20ppb for ±5% change 1 minute max. to within ±0.1ppm of nominal freq. +2.5 Volts (VCON) ±0.5ppm min., ±2ppm max. ref. to 25°C and O.T.R. 2.5V ±2.0Volts Positive: Increasing control voltage increases output frequency. 100k minimum ±10% maximum 200mA max. steady state 500mA max. at turn on Output Output Level: 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 -85 -120 -140 -145 -150 TEST CIRCUIT PART NUMBER FORMAT Example: OC18GE12S-10.000-0.01/-20+70 OCXO Package: OC18 RoHS Compliance G: RoHS Compliant Blank: Non-compliant E: Output Sine Wave 12: Supply Voltage 12.0Volts S: SC-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