EURO
QUARTZ
AT-Cut Crystal - Sinewave - 5.0 Volts
For high stability STRATUM 2 applications
Low Jitter
<±0.6ppm overall frequency tolerance over 15 years
Full size 14 pin dual-in-line package
Supply Voltage 5.0 Volts
AT-Cut Crystal
EFC (Voltage control) as standard
OUTLINE & DIMENSIONS
DESCRIPTION
OC14E5A series oven-controlled crystal oscillators are intended for
Stratum 2 applications requiring low jitter and tight stability <0.6ppm
overall frequency tolerance over 15 years.
SPECIFICATION
Crystal Cut:
Output Waveform:
Supply Voltage:
Frequency Range:
Initial Calibration Tolerance:
Frequency Stability
over 0° to +60°C:
over -20° to +70°C:
over -40° to +85°C:
vs. Voltage Change:
vs. Ageing:
vs. Load Change:
Warm-up Time:
Voltage Control
Control Voltage Centre:
Freq. Deviation Range:
Control Voltage Range:
Transfer Function:
AT-cut
Sinewave
+5.0 VDC ±0.2V
1.25MHz to 100.0MHz
±0.5ppm maximum
±0.2ppm typical
±0.07ppm available
±0.3ppm typical
±0.15 available
±0.5ppm typical
±0.25ppm available
<0.1ppm for ±0.2V change
±0.7ppm first year
<±4ppm over 10 years
<0.01ppm for ±5% change
3 minutes maximum
OCXO - OC14E5A
1.25MHz ~ 100.0MHz
TEST CIRCUIT
Input Impedance:
EFC Linearity:
Power Dissipation:
+2.5 Volts (V
CON
)
±4.0ppm min., ref. to 25°C
0V to +5.0Volts
Positive: Increasing control
voltage increases output
frequency.
47k minimum
±10% maximum
1.5W max. at steady state
2.5W max. at turn on
PART NUMBER FORMAT
Output
Output Level:
Harmonics:
Spurious:
Envionmental
Storage Temperature:
Shock:
Vibration:
+3dBm (typ.) into 50
-10dBc minimum
-70dBc minimum
load
Example:
OC14GE5A-10.000-0.15/-20+70
-65° to +125°C
2000g, 0.3ms ½ sine
10 ~2000Hz / 10g
PHASE NOISE (at 10MHz)
Offset
1Hz
10Hz
100Hz
1kHz
10kHz
dBc/Hz
-80
-110
-135
-145
-150
OCXO Package: OC14
RoHS Compliance
G: RoHS Compliant
Blank: Non-compliant
E: Output Sinewave
5: Supply Voltage 5.0Volts
A: AT-Cut crystal
Nominal Frequency 10.0MHz
Stability in ppm
Operating Temperature Range °C
Lowest Temperature/Highest Temperature
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
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