Tel : 0044 (0) 118 979 1238
Fax: 0044 (0) 118 979 1283
Email : info@actcrystals.com
ACTOCXO25
FEATURES
■
Stabilities to
±0.01PPM
( AT Cut )
■
Low Aging
■
Voltage Controlled Frequency Adjustment
■
Measurement Equipment
SPECIFICATIONS
Frequency Range
Frequency Accuracy ( Adjustment 25°C)
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)
(SC Cut)
Control Voltage Range
Slope
Linearity
Phase Noise (10MHz)
APPLICATIONS
■
PCS /Cellular Base Station
■
Digital Switching
■
Synthesizer
■
SC Cut OCXO
please enquire
Storage Temperature Range
1~160MHz
±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, +12.0VDC
±0.02PPM
vs
±5%
voltage change
3.0W (max.) warm-up; 1.2W (max.) static
±0.1PPM,
<1 min.
±0.03PPM,
<1 min.
±7.0PPM
±1.0PPM
0~5V
Positive
±10%
1Hz, -80dBc/Hz
10Hz, -120dBc/Hz
100Hz, -140dBc/Hz
1kHz, -145dBc/Hz
10kHz, -150dBc/Hz
-40~+100°C
(Unit: mm)
PIN FUNCTION:
PIN1 – Output
PIN2 – GND
PIN3 – Control Voltage/NC
PIN4 – Reference Voltage/NC
PIN5 – Power Supply
FREQUENCY STABILITY vs TEMPERATURE – TABLE 1
( Applies to frequencies < 20MHz & to 5v0 supply. For frequencies > 20MHZ & 12v0 & 3v3 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
OUTPUT TYPE AND LOAD CHARACTERISTIC – 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: 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: <+0.2VDC
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
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 : 3 S8
Date: 14/09/06
ACT [ ADVANCED CRYSTAL TECHNOLOGY ]
