Tel: 0044 (0) 118 979 1238 Fax: 0044 (0) 118 979 1283 Email: [email protected] ACTOCXO38 FEATURES ■ ■ ■ ■ APPLICATIONS Stability to ±0.01PPM Low Aging Voltage Controlled Frequency Adjustment Measurement Equipment SPECIFICATIONS Frequency Range Frequency Accuracy (Adjustment 25°C) 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) ■ ■ ■ ■ PCS / Cellular Base Station Digital Switching Synthesizer SC Cut OCXO – Please enquire 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~+100°C Storage Temperature Range FREQUENCY vs TEMPERATURE STABILITY – TABLE 1 ( 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 - +50°C -20 - +70°C -40 - +75°C (Unit: mm) PIN FUNCTION: PIN1 – GND PIN2 – Power Supply PIN3 – Output PIN4 – Control Voltage OUTPUT TYPE AND LOAD CHARACTERISTICS – TABLE 2 Output Waveform Clipped Sine Wave Frequency Range Oscillation State 8MHz - 30MHz 10MHz – 160MHz F: Fundamental O: Overtone 1MHz - 30MHz 10MHz – 160MHz F: Fundamental O: Overtone 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 TTL Output Characteristics Load: 10kΩ/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 50Ω Output level: >2dBm Harmonic Attenuation: >-25dB Noise Attenuation: >-75dB 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