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| EURO QUARTZ Frequency Range 10.0MHz to 100.0MHz 20.3 x 20.3 x 10.5mm 5 pin metal, solder-sealed package Supply Voltage 5.0 Volts AT-Cut Crystal True Sinewave Output EFC (Voltage control) as standard OCXO - OC18E5A SERIES AT-Cut Crystal - Sine Wave - 5.0 Volts * OUTLINE & DIMENSIONS DESCRIPTION OC18E5A 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 +60C: over -20 to +70C: over -40 to +85C: vs. Voltage Change: vs. Ageing: AT-cut Sine Wave +5.0 VDC 0.2V 10.0MHz to 100.0MHz 0.5ppm max. (at VCON 2.5V) 0.02ppm 0.05ppm 0.1ppm <20ppb for 5% change 5.0ppb max per day 0.5ppm per first year 3.0ppm over 10 years <20ppb for 5% change 3 minutes max. to within 0.5ppm of nominal freq. +2.5 Volts (VCON) 5.0ppm min., 20ppm max. ref. to 25C 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 +3dBm typ., +8dBm max. into 50W load. -30dBc min. -75dBc min. +4.00.3VDC or custom OCXO Package: OC18 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 PART NUMBER FORMAT Example: vs. Load Change: Warm-up Time: Voltage Control Control Voltage Centre: Freq. Deviation Range: Control Voltage Range: Transfer Function: TEST CIRCUIT Input Impedance: EFC Linearity: Power Dissipation: Output Load: Harmonics: Spurious: Reference Voltage: Envionmental Storage Temperature: Shock: Vibration: OC18GE5A-10.000-0.05/-20+70 -55 to +125C 2000g, 0.3ms 1/2 sine 10 ~2000Hz / 10g PHASE NOISE (at 10MHz) Offset 1Hz 10Hz 100Hz 1kHz 10kHz dBc/Hz -75 -100 -130 -140 -150 EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk |
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