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| Tel: 0044 (0) 118 979 1238 Fax: 0044 (0) 118 979 1283 Email: info@actcrystals.com ACTOCXO20 FEATURES SC Cut OXCO Please Enquire APPLICATIONS PCS / Cellular Base Stations Digital Switching Synthesizer SC Cut OXCO Please Enquire Stability to 0.02PPM Low Aging Voltage Controlled Frequency Adjustment Measurement Equipment SPECIFICATIONS Frequency Range Frequency Accuracy (Adjustment 25C) Frequency Stability vs Temperature Aging (AT Cut) (SC Cut) Output Type and Load Characteristics Frequency Stability vs Load Supply Voltage Frequency Stability vs Voltage Supply Consumption Warm-up Time (AT Cut) (SC Cut) Adjustable Frequency Range (AT Cut) Slope Linearity Phase Noise (10MHz SC-Cut) 1.0 ~ 160MHz 0.5PPM (centre control voltage) See Table 1 0.002PPM/day, first year 0.3PPM, 10 years 2PPM 0.001PPM/day, first year 0.1PPM, 10 years 0.5PPM See Table 2 0.02PPM vs 10% load change +3.3VDC, +5.0VDC 0.02PPM vs 5% voltage change 3.6W (max.) warm-up; 1.2W (max.) static 0.1PPM, <1 min. 0.03PPM, <1 min. AT Cut 7.0PPM, Control Voltage Range Positive 10% 10Hz, -120dBc/Hz 100Hz, -140dBc/Hz 1kHz, -145dBc/Hz 10kHz, -150dBc/Hz -40~+100 C FREQUENCY STABILITY vs TEMPERATURE - TABLE 1 Frequency Stability vs Temperature 0.020PPM (AT Cut) 0.050PPM (AT Cut) 0.100PPM (AT Cut) Temperature Range 0 - +50 C -20 - +70 C -40 - +75 C 0~5V (Unit: mm) Storage Temperature Range PIN FUNCTION: PIN1 - Power Supply PIN2 - Output PIN3 - GND PIN4 - Control Voltage PIN5 - Reference Voltage/NC (Applies to frequencies < 20MHz & to 5v0 supply. For frequencies > 20MHZ & 3v3 stabilities will be lower -Please enquire) OUTPUT TYPE AND LOAD CHARACTERISTICS - TABLE 2 Output Waveform Clipped Sine Wave TTL Frequency Range 8MHz - 30MHz 10MHz - 100MHz 1MHz - 30MHz 10MHz - 100MHz 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: >+4.3 VDC; "0" level: <+0.5VDC Duty cycle: 45/55 Rise/fall time: <6ns HCMOS 1MHz - 30MHz 10MHz - 100MHz F: Fundamental O: Overtone ACMOS 1MHz - 30MHz 10MHz - 100MHz 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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