ACT ACTOCXO38 Voltage controlled frequency adjustment Datasheet

Tel: 0044 (0) 118 979 1238
Fax: 0044 (0) 118 979 1283
Email: [email protected]
ACTOCXO38
FEATURES
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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)
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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
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