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| Tel: 0044 (0) 118 979 1238 Fax: 0044 (0) 118 979 1283 Email: info@actcrystals.com ACTOCXO38 FEATURES APPLICATIONS Stability to 0.01PPM Low Aging Voltage Controlled Frequency Adjustment Measurement Equipment PCS / Cellular Base Station Digital Switching Synthesizer SC Cut OCXO - Please enquire SPECIFICATIONS Frequency Range Frequency Accuracy (Adjustment 25C) Frequency Stability vs Temperature Aging Output Type and Load Characteristics Frequency Stability vs Load Supply Voltage Frequency Stability vs Voltage Supply Consumption Warm-up Time (AT Cut) Adjustable Frequency Range Control Voltage Range Slope Linearity Phase Noise (10MHz SC-Cut) Storage Temperature Range 1.0 ~ 160MHz 0.05PPM (Centre control voltage) See Table 1 0.001PPM/day, first year 0.1PPM, 10 years 1PPM See Table 2 0.02PPM vs 10% load change +5.0VDC, +12.0VDC (3V3 Custom option) 0.02PPM vs 5% voltage change 4.0W (Max) Warm up 1.5W (Max) Static 0.2PPM, <1 min. 7.0PPM 0~5V Positive 10% 1Hz, -80dBc/Hz, 10Hz, -120dBc/Hz 1kHz, -145dBc/Hz, 10kHz, -150dBc/Hz -40~+100C FREQUENCY vs TEMPERATURE STABILITY - TABLE 1 (Unit: mm) PIN FUNCTION: PIN1 - GND PIN2 - Power Supply PIN3 - Output PIN4 - Control Voltage ( Applies to frequencies < 20MHz & to 12v0 supply. For frequencies > 20MHZ & 3v3 & 5v0 Stabilities will be lower -Please enquire) Frequency Stability vs Temperature 0.01PPM (AT Cut) 0.03PPM (AT Cut) 0.05PPM (AT Cut) Temperature Range 0 - +50C -20 - +70C -40 - +75C OUTPUT TYPE AND LOAD CHARACTERISTICS - TABLE 2 Output Waveform Clipped Sine Wave TTL Frequency Range 8MHz - 30MHz 10MHz - 160MHz 1MHz - 30MHz 10MHz - 160MHz Oscillation State F: Fundamental O: Overtone F: Fundamental O: Overtone Output Characteristics Load: 10k/10pF Output level: >1Vp-p Load: Max. 10 low power consumption TTL gates "1" level: >+2.4VDC; "0" level: <+0.2VDC Duty cycle: 45/55 Rise/fall time: <6ns Load: Max. 10 low power consumption TTL/HCMOS "1" level: >+4.3VDC; "0" level: <+0.5VDC Duty cycle: 45/55 Rise/fall time: <6ns Load: Max. 10 low power consumption TTL/ACMOS "1" level: >+4.3VDC; "0" level: <+0.5VDC Duty cycle: 45/55 Rise/fall time: <6ns Load: Nominal value 50 Output level: >2dBm Harmonic Attenuation: >-25dB Noise Attenuation: >-75dB HCMOS 1MHz - 30MHz 10MHz - 160MHz F: Fundamental O: Overtone ACMOS 1MHz - 30MHz 10MHz - 160MHz F: Fundamental O: Overtone Sine Wave 8MHz - 30MHz 10MHz - 160MHz F: Fundamental O: Overtone Please note that all parameters cannot necessarily be specified in one device. Customer to specify: Frequency, Output, Voltage, Stability, and Operating Temperature In line with our ongoing policy of product improvement and evolvement the above specification may be subject to change without notice IS9001: 2000 Registered For quotations or further information, please contact us at: 3 The Business Centre, Molly Millars Lane, Wokingham, Berkshire, RG41 2EY UK http:/www.actcrystals.com Issue: 4 S8 Date: 14/09/06 |
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