OCXO (Oven Controlled Crystal Oscillators)
OC14E12A, OC14E12GA (RoHS version) Series Sine Wave
+12.0 V
MERCURY
Since 1973
y Full size 4 pin DIP full metal package
y+12.0 V D.C supply Voltage
y 50 ohm load Sine wave output
y AT-cut crystal
y Voltage control (Electronic Frequency Tuning) on pin 1
General Specifications ( 10 MHz at+25°C, at +12.0 V Vcc and +2.5 V Vcon)
Output Wave Form
Frequency Range
Sine wave. Wave form code is “E”
10 MHz ~40.0 MHz
Type of Crystal Cut Used
Supply Voltage (Vcc)
AT-cut. Use “A” for crystal code.
+12.0 V ±0.5 V (voltage code is “12”)
Initial Calibration Tolerance
±0.5 ppm max. at the time of shipment; Vcon=+2.5V
Operating
0°C to +60°C
-20°C to +70°C
-40°C to +85°C
Temperature
Best Stability
Available
Operating Temperature Range
(custom spec. on request)
±0.05 ppm
±0.2 ppm
±0.1 ppm
±0.3 ppm
±0.2 ppm
±0.5 ppm
Typical Stability
Aging
< ±0.7 ppm first year. < ±4.0 ppm over 10 years.
<5 E -10 (0.1 sec to 30 sec ); typical 5 E -11 at 1 sec.
Short Term Stability
Supply Voltage ±0.5 Variation
Load ±5% variation
< ±0.1 ppm
< ±0.01 ppm
Warm-up time (at +25°C)
3 minutes max. Within ±0.5 ppm of its reference frequency.
Frequency Deviation Range ±4 ppm min. Referenced to fo at +25°C.
Control Voltage Range
Transfer Function
Input Impedance
EFC Linearity
0.0 V to 5.0 V
Positive: Increasing control voltage increases output frequency.
47 K ohms min.
±10% max.
Power
Output
Power Dissipation (at +25°C)
Output Level
1 W max. at steady-state; 2 W max. at turn-on.
3 dBm typical with 50Ω load
-10 dBc min.
Harmonic
Spurious
-70 dBc min.
Offset
Phase
1 Hz
10 Hz
100 Hz
1 KHz
10 KHz
10 MHz at static
Noise
-70 dBc
-100 dBc
-130 dBc
-140 dBc
-145 dBc
condition
Storage Temperature
Shock
-65°C to +125°C
2000 G’s, 0.3 ms ½ sine
10 to 2000 Hz / 10 G’s
Vibration
MERCURY
www.mercury-crystal.com
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com
MERCURY
Page 1 of 2
Date: Aug 20, 2006
Rev. 1