Tel: 0044 (0) 118 979 1238
Fax: 0044 (0) 118 979 1283
Email: info@actcrystals.com
ACTOCXO20
SC Cut OXCO Please Enquire
APPLICATIONS
FEATURES
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Stability to ±0.02PPM
Low Aging
Voltage Controlled Frequency Adjustment
Measurement Equipment
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PCS / Cellular Base Stations
Digital Switching
Synthesizer
SC Cut OXCO Please Enquire
SPECIFICATIONS
Frequency Range
1.0 ~ 160MHz
Frequency Accuracy (Adjustment 25°C)
Frequency Stability vs Temperature
Aging (AT Cut)
±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
(SC Cut)
Output Type and Load Characteristics
Frequency Stability vs Load
Supply Voltage
±0.02PPM vs ±10% load change
+3.3VDC, +5.0VDC
Frequency Stability vs Voltage
Supply Consumption
Warm-up Time (AT Cut)
(SC Cut)
±0.02PPM vs ±5% voltage change
3.6W (max.) warm-up; 1.2W (max.) static
±0.1PPM, <1 min.
±0.03PPM, <1 min.
Adjustable Frequency Range (AT Cut)
Slope
AT Cut ±7.0PPM, Control Voltage Range
Positive
0~5V
Linearity
±10%
Phase Noise (10MHz SC-Cut)
10Hz, -120dBc/Hz
100Hz, -140dBc/Hz
1kHz, -145dBc/Hz
(Unit: mm)
10kHz, -150dBc/Hz
-40~+100° C
PIN FUNCTION:
PIN1 – Power Supply
PIN2 – Output
Storage Temperature Range
FREQUENCY STABILITY vs TEMPERATURE – TABLE 1
(Applies to frequencies < 20MHz & to 5v0 supply. For frequencies > 20MHZ & 3v3 stabilities will be lower –Please enquire)
PIN3 – GND
Frequency Stability vs Temperature
±0.020PPM (AT Cut)
Temperature Range
0 - +50° C
PIN4 – Control Voltage
PIN5 – Reference Voltage/NC
±0.050PPM (AT Cut)
±0.100PPM (AT Cut)
-20 - +70° C
-40 - +75° C
OUTPUT TYPE AND LOAD CHARACTERISTICS – TABLE 2
Output
Waveform
Clipped Sine
Wave
Frequency Range
Oscillation State
Output Characteristics
8MHz - 30MHz
10MHz - 100MHz
F: Fundamental
O: Overtone
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
1MHz - 30MHz
10MHz - 100MHz
F: Fundamental
O: Overtone
TTL
Rise/fall time: <6ns
Load: Max. 10 low power consumption TTL/HCMOS
“1” level: >+4.3VDC; “0” level: <+0.5VDC
Duty cycle: 45/55
1MHz - 30MHz
10MHz - 100MHz
F: Fundamental
O: Overtone
HCMOS
ACMOS
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
1MHz - 30MHz
10MHz - 100MHz
F: Fundamental
O: Overtone
Rise/fall time: <6ns
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
Issue: 4 S8
Date: 14/09/06
http:/www.actcrystals.com
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